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cve-2002-0655
Vulnerability from cvelistv5
Published
2002-07-31 04:00
Modified
2024-08-08 02:56
Severity ?
EPSS score ?
Summary
OpenSSL 0.9.6d and earlier, and 0.9.7-beta2 and earlier, does not properly handle ASCII representations of integers on 64 bit platforms, which could allow attackers to cause a denial of service and possibly execute arbitrary code.
References
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}
}
rhsa-2002_157
Vulnerability from csaf_redhat
Published
2002-07-30 10:46
Modified
2024-11-21 22:26
Summary
Red Hat Security Advisory: openssl security update
Notes
Topic
Updated OpenSSL packages are available which fix several serious buffer
overflow vulnerabilities.
Details
OpenSSL is a commercial-grade, full-featured, and Open Source toolkit which
implements the Secure Sockets Layer (SSL v2/v3) and Transport Layer
Security (TLS v1) protocols as well as a full-strength general purpose
cryptography library. A security audit of the OpenSSL code sponsored by
DARPA found several buffer overflows in OpenSSL which affect versions 0.9.7
and 0.9.6d and earlier:
1. The master key supplied by a client to an SSL version 2 server could be
oversized, causing a stack-based buffer overflow. This issue is remotely
exploitable. Services that have SSLv2 disabled would not be vulnerable to
this issue. (CAN-2002-0656)
2. The SSLv3 session ID supplied to a client from a malicious server could
be oversized and overrun a buffer. This issue looks to be remotely
exploitable. (CAN-2002-0656)
3. Various buffers used for storing ASCII representations of integers were
too small on 64 bit platforms. This issue may be exploitable. (CAN-2002-0655)
A further issue was found in OpenSSL 0.9.7 that does not affect versions of
OpenSSL shipped with Red Hat Linux (CAN-2002-0657).
A large number of applications within Red Hat Linux make use the OpenSSL
library to provide SSL support. All users are therefore advised to upgrade
to the errata OpenSSL packages, which contain patches to correct these
vulnerabilities.
NOTE:
Please read the Solution section below as it contains instructions for
making sure that all SSL-enabled processes are restarted after the update
is applied.
Thanks go to the OpenSSL team and Ben Laurie for providing patches for
these issues.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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"text": "OpenSSL is a commercial-grade, full-featured, and Open Source toolkit which\nimplements the Secure Sockets Layer (SSL v2/v3) and Transport Layer\nSecurity (TLS v1) protocols as well as a full-strength general purpose\ncryptography library. A security audit of the OpenSSL code sponsored by\nDARPA found several buffer overflows in OpenSSL which affect versions 0.9.7\nand 0.9.6d and earlier:\n\n1. The master key supplied by a client to an SSL version 2 server could be\noversized, causing a stack-based buffer overflow. This issue is remotely\nexploitable. Services that have SSLv2 disabled would not be vulnerable to\nthis issue. (CAN-2002-0656)\n\n2. The SSLv3 session ID supplied to a client from a malicious server could\nbe oversized and overrun a buffer. This issue looks to be remotely\nexploitable. (CAN-2002-0656)\n\n3. Various buffers used for storing ASCII representations of integers were\ntoo small on 64 bit platforms. This issue may be exploitable. (CAN-2002-0655)\n\nA further issue was found in OpenSSL 0.9.7 that does not affect versions of\nOpenSSL shipped with Red Hat Linux (CAN-2002-0657).\n\nA large number of applications within Red Hat Linux make use the OpenSSL\nlibrary to provide SSL support. All users are therefore advised to upgrade\nto the errata OpenSSL packages, which contain patches to correct these\nvulnerabilities.\n\nNOTE: \n\nPlease read the Solution section below as it contains instructions for\nmaking sure that all SSL-enabled processes are restarted after the update\nis applied.\n\nThanks go to the OpenSSL team and Ben Laurie for providing patches for\nthese issues.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
}
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"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2002/rhsa-2002_157.json"
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"title": "Red Hat Security Advisory: openssl security update",
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{
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"notes": [
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"category": "description",
"text": "OpenSSL 0.9.6d and earlier, and 0.9.7-beta2 and earlier, does not properly handle ASCII representations of integers on 64 bit platforms, which could allow attackers to cause a denial of service and possibly execute arbitrary code.",
"title": "Vulnerability description"
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},
{
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"details": "IMPORTANT:\n\nBecause both client and server applications are affected by these\nvulnerabilities, we advise users to reboot their systems after installing\nthese updates.\n\nBefore applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe desired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
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"notes": [
{
"category": "description",
"text": "Buffer overflows in OpenSSL 0.9.6d and earlier, and 0.9.7-beta2 and earlier, allow remote attackers to execute arbitrary code via (1) a large client master key in SSL2 or (2) a large session ID in SSL3.",
"title": "Vulnerability description"
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"url": "https://www.cve.org/CVERecord?id=CVE-2002-0656"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-0656",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2002-0656"
}
],
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"category": "vendor_fix",
"date": "2002-07-30T10:46:00+00:00",
"details": "IMPORTANT:\n\nBecause both client and server applications are affected by these\nvulnerabilities, we advise users to reboot their systems after installing\nthese updates.\n\nBefore applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe desired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Enterprise Linux AS (Advanced Server) version 2.1 "
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}
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}
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{
"system_name": "Red Hat Bugzilla ID",
"text": "1616924"
}
],
"notes": [
{
"category": "description",
"text": "OpenSSL 0.9.6e uses assertions when detecting buffer overflow attacks instead of less severe mechanisms, which allows remote attackers to cause a denial of service (crash) via certain messages that cause OpenSSL to abort from a failed assertion, as demonstrated using SSLv2 CLIENT_MASTER_KEY messages, which are not properly handled in s2_srvr.c.",
"title": "Vulnerability description"
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"url": "https://www.cve.org/CVERecord?id=CVE-2002-1568"
},
{
"category": "external",
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2002-1568"
}
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"date": "2002-07-30T10:46:00+00:00",
"details": "IMPORTANT:\n\nBecause both client and server applications are affected by these\nvulnerabilities, we advise users to reboot their systems after installing\nthese updates.\n\nBefore applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe desired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
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"title": "security flaw"
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]
}
rhsa-2002_163
Vulnerability from csaf_redhat
Published
2002-08-08 09:20
Modified
2024-11-21 22:26
Summary
Red Hat Security Advisory: openssl, mm security update for Stronghold
Notes
Topic
Updated Apache packages are available which fix several serious buffer
overflow vulnerabilities in OpenSSL and a local privilege escalation
vulnerability in MM.
Details
Note:
Please read the "Solution" section below as there are special upgrade
instructions for this errata.
-----------
OpenSSL is a commercial-grade, full-featured, and Open Source toolkit which
implements the Secure Sockets Layer (SSL v2/v3) and Transport Layer
Security (TLS v1) protocols as well as a full-strength general purpose
cryptography library. A security audit of the OpenSSL code sponsored by
DARPA found several buffer overflows in OpenSSL which affect versions 0.9.7
and 0.9.6d and earlier:
1. The master key supplied by a client to an SSL version 2 server could be
oversized, causing a stack-based buffer overflow. This issue is remotely
exploitable. Services that have SSLv2 disabled would not be vulnerable to
this issue. (CAN-2002-0656)
2. The SSLv3 session ID supplied to a client from a malicious server could
be oversized and overrun a buffer. This issue looks to be remotely
exploitable. (CAN-2002-0656)
3. Various buffers used for storing ASCII representations of integers were
too small on 64 bit platforms. This issue may be exploitable. (CAN-2002-0655)
A further issue was found in OpenSSL 0.9.7 that does not affect versions of
OpenSSL included in Stronghold (CAN-2002-0657).
The MM library provides an abstraction layer which allows related processes
to easily share data. On systems where shared memory or other
inter-process communication mechanisms are not available, the MM library
will emulate them using temporary files. MM is used in Stronghold to
providing shared memory pools to Apache modules.
Versions of MM up to and including 1.1.3 open temporary files in an unsafe
manner, allowing a malicious local user to cause an application which uses
MM to overwrite any file to which it has write access. (CAN-2002-0658)
All users are advised to upgrade to these errata packages which contain a
patched version of MM that is not vulnerable to this issue.
Thanks go to the OpenSSL team, Ben Laurie, and Marcus Meissner for
providing patches for these issues.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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"text": "Note:\n\nPlease read the \"Solution\" section below as there are special upgrade\ninstructions for this errata.\n\n-----------\n\nOpenSSL is a commercial-grade, full-featured, and Open Source toolkit which\nimplements the Secure Sockets Layer (SSL v2/v3) and Transport Layer\nSecurity (TLS v1) protocols as well as a full-strength general purpose\ncryptography library. A security audit of the OpenSSL code sponsored by\nDARPA found several buffer overflows in OpenSSL which affect versions 0.9.7\nand 0.9.6d and earlier:\n\n1. The master key supplied by a client to an SSL version 2 server could be\noversized, causing a stack-based buffer overflow. This issue is remotely\nexploitable. Services that have SSLv2 disabled would not be vulnerable to\nthis issue. (CAN-2002-0656)\n\n2. The SSLv3 session ID supplied to a client from a malicious server could\nbe oversized and overrun a buffer. This issue looks to be remotely\nexploitable. (CAN-2002-0656)\n\n3. Various buffers used for storing ASCII representations of integers were\ntoo small on 64 bit platforms. This issue may be exploitable. (CAN-2002-0655)\n\nA further issue was found in OpenSSL 0.9.7 that does not affect versions of\nOpenSSL included in Stronghold (CAN-2002-0657).\n\nThe MM library provides an abstraction layer which allows related processes\nto easily share data. On systems where shared memory or other\ninter-process communication mechanisms are not available, the MM library\nwill emulate them using temporary files. MM is used in Stronghold to\nproviding shared memory pools to Apache modules.\n\nVersions of MM up to and including 1.1.3 open temporary files in an unsafe\nmanner, allowing a malicious local user to cause an application which uses\nMM to overwrite any file to which it has write access. (CAN-2002-0658)\n\nAll users are advised to upgrade to these errata packages which contain a\npatched version of MM that is not vulnerable to this issue.\n\nThanks go to the OpenSSL team, Ben Laurie, and Marcus Meissner for\nproviding patches for these issues.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
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"url": "https://access.redhat.com/security/updates/classification/#critical"
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"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2002/rhsa-2002_163.json"
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}
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"title": "Vulnerability description"
},
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},
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"category": "external",
"summary": "RHBZ#1616787",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616787"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2002-0655",
"url": "https://www.cve.org/CVERecord?id=CVE-2002-0655"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-0655",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2002-0655"
}
],
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"remediations": [
{
"category": "vendor_fix",
"date": "2002-08-08T09:20:00+00:00",
"details": "We have backported the security fixes for the versions of OpenSSL \nand mm included in Stronghold 4. The fixed packages are now available via\nthe update agent service; run\n\n$ bin/agent\n\nfrom the Stronghold 4 install root to upgrade an existing Stronghold 4\ninstallation to the new package versions.\n\nDue to a bug in the update agent, users of Solaris on Intel platforms\nshould create a file \"conf/update-agent.conf\" in the install root,\ncontaining the following two lines:\n\n[agent]\nignore: RPMPROB_FILTER_IGNOREARCH\n\nAfter the appropriate updates have been applied, it will be necessary to\nmanually restart the server with the following commands:\n\n $ bin/stop-server\n $ bin/start-server",
"product_ids": [
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],
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
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"product_status": {
"fixed": [
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]
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"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2002-0656"
},
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"summary": "RHBZ#1616788",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616788"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2002-0656",
"url": "https://www.cve.org/CVERecord?id=CVE-2002-0656"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-0656",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2002-0656"
}
],
"release_date": "2002-07-30T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2002-08-08T09:20:00+00:00",
"details": "We have backported the security fixes for the versions of OpenSSL \nand mm included in Stronghold 4. The fixed packages are now available via\nthe update agent service; run\n\n$ bin/agent\n\nfrom the Stronghold 4 install root to upgrade an existing Stronghold 4\ninstallation to the new package versions.\n\nDue to a bug in the update agent, users of Solaris on Intel platforms\nshould create a file \"conf/update-agent.conf\" in the install root,\ncontaining the following two lines:\n\n[agent]\nignore: RPMPROB_FILTER_IGNOREARCH\n\nAfter the appropriate updates have been applied, it will be necessary to\nmanually restart the server with the following commands:\n\n $ bin/stop-server\n $ bin/start-server",
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}
rhsa-2002_164
Vulnerability from csaf_redhat
Published
2002-07-31 15:58
Modified
2024-11-21 22:26
Summary
Red Hat Security Advisory: openssl, mm, mod_ssl security update for Stronghold
Notes
Topic
A new Stronghold 3 release is available which fixes several serious buffer
overflow vulnerabilities in OpenSSL, and local privilege escalation
vulnerabilities in MM and mod_ssl.
Details
OpenSSL is a commercial-grade, full-featured, and Open Source toolkit which
implements the Secure Sockets Layer (SSL v2/v3) and Transport Layer
Security (TLS v1) protocols as well as a full-strength general purpose
cryptography library. A security audit of the OpenSSL code sponsored by
DARPA found several buffer overflows in OpenSSL which affect versions 0.9.7
and 0.9.6d and earlier:
1. The master key supplied by a client to an SSL version 2 server could be
oversized, causing a stack-based buffer overflow. This issue is remotely
exploitable. Services that have SSLv2 disabled would not be vulnerable to
this issue. (CAN-2002-0656)
2. The SSLv3 session ID supplied to a client from a malicious server could
be oversized and overrun a buffer. This issue looks to be remotely
exploitable. (CAN-2002-0656)
3. Various buffers used for storing ASCII representations of integers were
too small on 64 bit platforms. This issue may be exploitable. (CAN-2002-0655)
A further issue was found in OpenSSL 0.9.7 that does not affect versions of
OpenSSL included in Stronghold (CAN-2002-0657).
The MM library provides an abstraction layer which allows related processes
to easily share data. On systems where shared memory or other
inter-process communication mechanisms are not available, the MM library
will emulate them using temporary files. MM is used in Stronghold to
providing shared memory pools to Apache modules.
Versions of MM up to and including 1.1.3 open temporary files in an unsafe
manner, allowing a malicious local user to cause an application which uses
MM to overwrite any file to which it has write access. (CAN-2002-0658)
All users are advised to upgrade to the new release which contains a
patched version of MM that is not vulnerable to this issue.
The mod_ssl module provides strong cryptography for the Apache Web
server via the Secure Sockets Layer (SSL) and Transport Layer Security
(TLS) protocols. Versions of mod_ssl prior to 2.8.10 are subject to a
single NUL byte overflow that can cause arbitrary code execution.
(CAN-2002-0653)
In order to exploit this vulnerability, the Apache Web server has to be
configured to allow overriding of configuration settings on a per-directory
basis, and untrusted local users must be able to modify a directory in
which the server is configured to allow overriding. The local attacker may
then become the user that Apache is running as (usually 'www' or 'nobody').
Thanks go to the OpenSSL team, Ben Laurie, and Marcus Meissner for
providing patches for these issues.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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"text": "OpenSSL is a commercial-grade, full-featured, and Open Source toolkit which\nimplements the Secure Sockets Layer (SSL v2/v3) and Transport Layer\nSecurity (TLS v1) protocols as well as a full-strength general purpose\ncryptography library. A security audit of the OpenSSL code sponsored by\nDARPA found several buffer overflows in OpenSSL which affect versions 0.9.7\nand 0.9.6d and earlier:\n\n1. The master key supplied by a client to an SSL version 2 server could be\noversized, causing a stack-based buffer overflow. This issue is remotely\nexploitable. Services that have SSLv2 disabled would not be vulnerable to\nthis issue. (CAN-2002-0656)\n\n2. The SSLv3 session ID supplied to a client from a malicious server could\nbe oversized and overrun a buffer. This issue looks to be remotely\nexploitable. (CAN-2002-0656)\n\n3. Various buffers used for storing ASCII representations of integers were\ntoo small on 64 bit platforms. This issue may be exploitable. (CAN-2002-0655)\n\nA further issue was found in OpenSSL 0.9.7 that does not affect versions of\nOpenSSL included in Stronghold (CAN-2002-0657).\n\nThe MM library provides an abstraction layer which allows related processes\nto easily share data. On systems where shared memory or other\ninter-process communication mechanisms are not available, the MM library\nwill emulate them using temporary files. MM is used in Stronghold to\nproviding shared memory pools to Apache modules.\n\nVersions of MM up to and including 1.1.3 open temporary files in an unsafe\nmanner, allowing a malicious local user to cause an application which uses\nMM to overwrite any file to which it has write access. (CAN-2002-0658)\n\nAll users are advised to upgrade to the new release which contains a\npatched version of MM that is not vulnerable to this issue.\n\nThe mod_ssl module provides strong cryptography for the Apache Web\nserver via the Secure Sockets Layer (SSL) and Transport Layer Security\n(TLS) protocols. Versions of mod_ssl prior to 2.8.10 are subject to a\nsingle NUL byte overflow that can cause arbitrary code execution.\n(CAN-2002-0653)\n\nIn order to exploit this vulnerability, the Apache Web server has to be\nconfigured to allow overriding of configuration settings on a per-directory\nbasis, and untrusted local users must be able to modify a directory in\nwhich the server is configured to allow overriding. The local attacker may\nthen become the user that Apache is running as (usually \u0027www\u0027 or \u0027nobody\u0027).\n\nThanks go to the OpenSSL team, Ben Laurie, and Marcus Meissner for\nproviding patches for these issues.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
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"title": "Vulnerability description"
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rhsa-2002_155
Vulnerability from csaf_redhat
Published
2002-07-30 10:47
Modified
2024-11-21 22:26
Summary
Red Hat Security Advisory: : Updated openssl packages fix remote vulnerabilities
Notes
Topic
Updated OpenSSL packages are available which fix several serious buffer
overflow vulnerabilities.
Details
OpenSSL is a commercial-grade, full-featured, and Open Source toolkit which
implements the Secure Sockets Layer (SSL v2/v3) and Transport Layer
Security (TLS v1) protocols as well as a full-strength general purpose
cryptography library. A security audit of the OpenSSL code sponsored by
DARPA found several buffer overflows in OpenSSL which affect versions 0.9.7
and 0.9.6d and earlier:
1. The master key supplied by a client to an SSL version 2 server could be
oversized, causing a stack-based buffer overflow. This issue is remotely
exploitable. Services that have SSLv2 disabled would not be vulnerable to
this issue. (CAN-2002-0656)
2. The SSLv3 session ID supplied to a client from a malicious server could
be oversized and overrun a buffer. This issue looks to be remotely
exploitable. (CAN-2002-0656)
3. Various buffers used for storing ASCII representations of integers were
too small on 64 bit platforms. This issue may be exploitable. (CAN-2002-0655)
A further issue was found in OpenSSL 0.9.7 that does not affect versions of
OpenSSL shipped with Red Hat Linux (CAN-2002-0657).
A large number of applications within Red Hat Linux make use the OpenSSL
library to provide SSL support. All users are therefore advised to upgrade
to the errata OpenSSL packages, which contain patches to correct these
vulnerabilities.
NOTE:
Please read the Solution section below as it contains instructions for
making sure that all SSL-enabled processes are restarted after the update
is applied.
Thanks go to the OpenSSL team and Ben Laurie for providing patches for
these issues.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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"text": "OpenSSL is a commercial-grade, full-featured, and Open Source toolkit which\nimplements the Secure Sockets Layer (SSL v2/v3) and Transport Layer\nSecurity (TLS v1) protocols as well as a full-strength general purpose\ncryptography library. A security audit of the OpenSSL code sponsored by\nDARPA found several buffer overflows in OpenSSL which affect versions 0.9.7\nand 0.9.6d and earlier:\n\n1. The master key supplied by a client to an SSL version 2 server could be\noversized, causing a stack-based buffer overflow. This issue is remotely\nexploitable. Services that have SSLv2 disabled would not be vulnerable to\nthis issue. (CAN-2002-0656)\n\n2. The SSLv3 session ID supplied to a client from a malicious server could\nbe oversized and overrun a buffer. This issue looks to be remotely\nexploitable. (CAN-2002-0656)\n\n3. Various buffers used for storing ASCII representations of integers were\ntoo small on 64 bit platforms. This issue may be exploitable. (CAN-2002-0655)\n\nA further issue was found in OpenSSL 0.9.7 that does not affect versions of\nOpenSSL shipped with Red Hat Linux (CAN-2002-0657).\n\nA large number of applications within Red Hat Linux make use the OpenSSL\nlibrary to provide SSL support. All users are therefore advised to upgrade\nto the errata OpenSSL packages, which contain patches to correct these\nvulnerabilities.\n\nNOTE: \n\nPlease read the Solution section below as it contains instructions for\nmaking sure that all SSL-enabled processes are restarted after the update\nis applied.\n\nThanks go to the OpenSSL team and Ben Laurie for providing patches for\nthese issues.",
"title": "Details"
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"title": "Vulnerability description"
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{
"category": "vendor_fix",
"date": "2002-07-30T10:47:00+00:00",
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ghsa-qqh8-wx7x-qgh9
Vulnerability from github
Published
2022-05-03 03:07
Modified
2022-05-03 03:07
Details
OpenSSL 0.9.6d and earlier, and 0.9.7-beta2 and earlier, does not properly handle ASCII representations of integers on 64 bit platforms, which could allow attackers to cause a denial of service and possibly execute arbitrary code.
{
"affected": [],
"aliases": [
"CVE-2002-0655"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2002-08-12T04:00:00Z",
"severity": "HIGH"
},
"details": "OpenSSL 0.9.6d and earlier, and 0.9.7-beta2 and earlier, does not properly handle ASCII representations of integers on 64 bit platforms, which could allow attackers to cause a denial of service and possibly execute arbitrary code.",
"id": "GHSA-qqh8-wx7x-qgh9",
"modified": "2022-05-03T03:07:57Z",
"published": "2022-05-03T03:07:57Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2002-0655"
},
{
"type": "WEB",
"url": "http://distro.conectiva.com.br/atualizacoes/?id=a\u0026anuncio=000513"
},
{
"type": "WEB",
"url": "http://www.cert.org/advisories/CA-2002-23.html"
},
{
"type": "WEB",
"url": "http://www.kb.cert.org/vuls/id/308891"
},
{
"type": "WEB",
"url": "http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-046.php"
},
{
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var-200208-0243
Vulnerability from variot
OpenSSL 0.9.6d and earlier, and 0.9.7-beta2 and earlier, does not properly handle ASCII representations of integers on 64 bit platforms, which could allow attackers to cause a denial of service and possibly execute arbitrary code. A remotely exploitable vulnerability exists in OpenSSL servers that could lead to the execution of arbitrary code on the system. OpenSSL is an open-source implementation of the Secure Sockets Layer (SSL) protocol. There is a buffer overflow on 64-bit platforms related to the ASCII representation of integers. Remotely exploitable buffer overflow conditions have been reported in OpenSSL. It is possible to overflow these buffers on a vulnerable system if overly large values are submitted by a malicious attacker. It supports a variety of encryption algorithms, including symmetric ciphers, hash algorithms, security hashing algorithm, etc. There is a loophole in the design and implementation of OpenSSL. Under certain circumstances, a remote attacker may use this loophole to cause a denial of service attack on the server or execute arbitrary instructions on the host. OpenSSL Security Advisory [30 July 2002]
This advisory consists of two independent advisories, merged, and is an official OpenSSL advisory.
Advisory 1
A.L. Digital Ltd and The Bunker (http://www.thebunker.net/) are conducting a security review of OpenSSL, under the DARPA program CHATS.
Vulnerabilities
All four of these are potentially remotely exploitable.
-
The client master key in SSL2 could be oversized and overrun a buffer. This vulnerability was also independently discovered by consultants at Neohapsis (http://www.neohapsis.com/) who have also demonstrated that the vulerability is exploitable. Exploit code is NOT available at this time.
-
The session ID supplied to a client in SSL3 could be oversized and overrun a buffer.
-
The master key supplied to an SSL3 server could be oversized and overrun a stack-based buffer. This issues only affects OpenSSL 0.9.7 before 0.9.7-beta3 with Kerberos enabled.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2002-0656 to issues 1-2, CAN-2002-0657 to issue 3, and CAN-2002-0655 to issue 4.
In addition various potential buffer overflows not known to be exploitable have had assertions added to defend against them.
Who is affected?
Everyone using OpenSSL 0.9.6d or earlier, or 0.9.7-beta2 or earlier or current development snapshots of 0.9.7 to provide SSL or TLS is vulnerable, whether client or server. 0.9.6d servers on 32-bit systems with SSL 2.0 disabled are not vulnerable.
SSLeay is probably also affected.
Recommendations
Apply the attached patch to OpenSSL 0.9.6d, or upgrade to OpenSSL 0.9.6e. Recompile all applications using OpenSSL to provide SSL or TLS.
A patch for 0.9.7 is available from the OpenSSL website (https://www.openssl.org/).
Servers can disable SSL2, alternatively disable all applications using SSL or TLS until the patches are applied. Users of 0.9.7 pre-release versions with Kerberos enabled will also have to disable Kerberos.
Client should be disabled altogether until the patches are applied.
Known Exploits
There are no know exploits available for these vulnerabilities. As noted above, Neohapsis have demonstrated internally that an exploit is possible, but have not released the exploit code.
References
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0655 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0656 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0657
Acknowledgements
The project leading to this advisory is sponsored by the Defense Advanced Research Projects Agency (DARPA) and Air Force Research Laboratory, Air Force Materiel Command, USAF, under agreement number F30602-01-2-0537.
The patch and advisory were prepared by Ben Laurie.
Advisory 2
Vulnerabilities
The ASN1 parser can be confused by supplying it with certain invalid encodings.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2002-0659 to this issue.
Who is affected?
Any OpenSSL program which uses the ASN1 library to parse untrusted data. This includes all SSL or TLS applications, those using S/MIME (PKCS#7) or certificate generation routines.
Recommendations
Apply the patch to OpenSSL, or upgrade to OpenSSL 0.9.6e. Recompile all applications using OpenSSL.
Users of 0.9.7 pre-release versions should apply the patch or upgrade to 0.9.7-beta3 or later. Recompile all applications using OpenSSL.
Exploits
There are no known exploits for this vulnerability.
References
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0659
Acknowledgements
This vulnerability was discovered by Adi Stav stav@mercury.co.il and James Yonan jim@ntlp.com independently. The patch is partly based on a version by Adi Stav.
The patch and advisory were prepared by Dr. Stephen Henson.
Combined patches for OpenSSL 0.9.6d: https://www.openssl.org/news/patch_20020730_0_9_6d.txt
Combined patches for OpenSSL 0.9.7 beta 2: https://www.openssl.org/news/patch_20020730_0_9_7.txt
URL for this Security Advisory: https://www.openssl.org/news/secadv_20020730.txt
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"data": "OpenSSL 0.9.6d and earlier, and 0.9.7-beta2 and earlier, does not properly handle ASCII representations of integers on 64 bit platforms, which could allow attackers to cause a denial of service and possibly execute arbitrary code. A remotely exploitable vulnerability exists in OpenSSL servers that could lead to the execution of arbitrary code on the system. OpenSSL is an open-source implementation of the Secure Sockets Layer (SSL) protocol. There is a buffer overflow on 64-bit platforms related to the ASCII representation of integers. Remotely exploitable buffer overflow conditions have been reported in OpenSSL. It is possible to overflow these buffers on a vulnerable system if overly large values are submitted by a malicious attacker. It supports a variety of encryption algorithms, including symmetric ciphers, hash algorithms, security hashing algorithm, etc. There is a loophole in the design and implementation of OpenSSL. Under certain circumstances, a remote attacker may use this loophole to cause a denial of service attack on the server or execute arbitrary instructions on the host. OpenSSL Security Advisory [30 July 2002]\n\nThis advisory consists of two independent advisories, merged, and is\nan official OpenSSL advisory. \n\nAdvisory 1\n==========\n\nA.L. Digital Ltd and The Bunker (http://www.thebunker.net/) are\nconducting a security review of OpenSSL, under the DARPA program\nCHATS. \n\nVulnerabilities\n---------------\n\nAll four of these are potentially remotely exploitable. \n\n1. The client master key in SSL2 could be oversized and overrun a\n buffer. This vulnerability was also independently discovered by\n consultants at Neohapsis (http://www.neohapsis.com/) who have also\n demonstrated that the vulerability is exploitable. Exploit code is\n NOT available at this time. \n\n2. The session ID supplied to a client in SSL3 could be oversized and\n overrun a buffer. \n\n3. The master key supplied to an SSL3 server could be oversized and\n overrun a stack-based buffer. This issues only affects OpenSSL\n 0.9.7 before 0.9.7-beta3 with Kerberos enabled. \n\n4. \n\nThe Common Vulnerabilities and Exposures project (cve.mitre.org) has\nassigned the name CAN-2002-0656 to issues 1-2, CAN-2002-0657 to issue\n3, and CAN-2002-0655 to issue 4. \n\nIn addition various potential buffer overflows not known to be\nexploitable have had assertions added to defend against them. \n\nWho is affected?\n----------------\n\nEveryone using OpenSSL 0.9.6d or earlier, or 0.9.7-beta2 or earlier or\ncurrent development snapshots of 0.9.7 to provide SSL or TLS is\nvulnerable, whether client or server. 0.9.6d servers on 32-bit systems\nwith SSL 2.0 disabled are not vulnerable. \n\nSSLeay is probably also affected. \n\nRecommendations\n---------------\n\nApply the attached patch to OpenSSL 0.9.6d, or upgrade to OpenSSL\n0.9.6e. Recompile all applications using OpenSSL to provide SSL or\nTLS. \n\nA patch for 0.9.7 is available from the OpenSSL website\n(https://www.openssl.org/). \n\nServers can disable SSL2, alternatively disable all applications using\nSSL or TLS until the patches are applied. Users of 0.9.7 pre-release\nversions with Kerberos enabled will also have to disable Kerberos. \n\nClient should be disabled altogether until the patches are applied. \n\nKnown Exploits\n--------------\n\nThere are no know exploits available for these vulnerabilities. As\nnoted above, Neohapsis have demonstrated internally that an exploit is\npossible, but have not released the exploit code. \n\nReferences\n----------\n\nhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0655\nhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0656\nhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0657\n\nAcknowledgements\n----------------\n\nThe project leading to this advisory is sponsored by the Defense\nAdvanced Research Projects Agency (DARPA) and Air Force Research\nLaboratory, Air Force Materiel Command, USAF, under agreement number\nF30602-01-2-0537. \n\nThe patch and advisory were prepared by Ben Laurie. \n\n\n\nAdvisory 2\n==========\n\nVulnerabilities\n---------------\n\nThe ASN1 parser can be confused by supplying it with certain invalid\nencodings. \n\nThe Common Vulnerabilities and Exposures project (cve.mitre.org) has\nassigned the name CAN-2002-0659 to this issue. \n\nWho is affected?\n----------------\n\nAny OpenSSL program which uses the ASN1 library to parse untrusted\ndata. This includes all SSL or TLS applications, those using S/MIME\n(PKCS#7) or certificate generation routines. \n\nRecommendations\n---------------\n\nApply the patch to OpenSSL, or upgrade to OpenSSL 0.9.6e. Recompile\nall applications using OpenSSL. \n\nUsers of 0.9.7 pre-release versions should apply the patch or upgrade\nto 0.9.7-beta3 or later. Recompile all applications using OpenSSL. \n\nExploits\n--------\n\nThere are no known exploits for this vulnerability. \n\nReferences\n----------\n\nhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0659\n\nAcknowledgements\n----------------\n\nThis vulnerability was discovered by Adi Stav \u003cstav@mercury.co.il\u003e\nand James Yonan \u003cjim@ntlp.com\u003e independently. The patch is partly\nbased on a version by Adi Stav. \n\nThe patch and advisory were prepared by Dr. Stephen Henson. \n\n\n\n\nCombined patches for OpenSSL 0.9.6d:\nhttps://www.openssl.org/news/patch_20020730_0_9_6d.txt\n\nCombined patches for OpenSSL 0.9.7 beta 2:\nhttps://www.openssl.org/news/patch_20020730_0_9_7.txt\n\nURL for this Security Advisory:\nhttps://www.openssl.org/news/secadv_20020730.txt\n",
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gsd-2002-0655
Vulnerability from gsd
Modified
2023-12-13 01:24
Details
OpenSSL 0.9.6d and earlier, and 0.9.7-beta2 and earlier, does not properly handle ASCII representations of integers on 64 bit platforms, which could allow attackers to cause a denial of service and possibly execute arbitrary code.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2002-0655",
"description": "OpenSSL 0.9.6d and earlier, and 0.9.7-beta2 and earlier, does not properly handle ASCII representations of integers on 64 bit platforms, which could allow attackers to cause a denial of service and possibly execute arbitrary code.",
"id": "GSD-2002-0655",
"references": [
"https://www.debian.org/security/2002/dsa-136",
"https://access.redhat.com/errata/RHSA-2002:164",
"https://access.redhat.com/errata/RHSA-2002:163",
"https://access.redhat.com/errata/RHSA-2002:157",
"https://access.redhat.com/errata/RHSA-2002:155"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
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"id": "GSD-2002-0655",
"modified": "2023-12-13T01:24:06.213053Z",
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
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"obtainAllPrivilege": false,
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"lastModifiedDate": "2008-09-10T19:12Z",
"publishedDate": "2002-08-12T04:00Z"
}
}
}
Loading…
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.