var-200208-0244
Vulnerability from variot
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. The DNS stub resolver library in ISC BIND 4.9.2 through 4.9.10 contains buffer overflows in code that handles responses for network name and address requests. Other resolver libraries derived from BIND 4 such as BSD libc, GNU glibc, and those used by System V UNIX systems may also be affected. An attacker could execute arbitrary code with the privileges of the application that made the request or cause a denial of service. This vulnerability is resolved in BIND versions 4.9.11, 8.2.7, 8.3.4, and BIND 9. Based on recent reports, we believe this vulnerability is being actively exploited. OpenSSL is an open-source implementation of the Secure Sockets Layer (SSL) protocol. A remotely exploitable vulnerability exists in OpenSSL servers that could lead to the execution of arbitrary code on the server. OpenSSL Is OpenSSL On the server SSL version 2.0 ( Less than, SSLv2) The buffer overflow vulnerability is caused by handshake processing. The issue occurs in the handling of the client key value during the negotiation of the SSLv2 protocol. ***UPDATE: A worm that likely exploits this vulnerability has been discovered propagating in the wild. Additionally, this code includes peer-to-peer and distributed denial-of-service capabilities. There have been numerous reports of intrusions in Europe. It is not yet confirmed whether this vulnerability is in OpenSSL, mod_ssl, or another component. Administrators are advised to upgrade to the most recent versions or to disable Apache, if possible, until more information is available. OpenSSL is prone to a buffer-overflow vulnerability involving overly long SSLv3 session IDs. It supports a variety of encryption algorithms, including symmetric ciphers, hash algorithms, security hashing algorithm, etc.
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CERT Summary CS-2002-04
November 26, 2002
Each quarter, the CERT Coordination Center (CERT/CC) issues the CERT Summary to draw attention to the types of attacks reported to our incident response team, as well as other noteworthy incident and vulnerability information. The summary includes pointers to sources of information for dealing with the problems.
Past CERT summaries are available from:
CERT Summaries
http://www.cert.org/summaries/
Recent Activity
Since the last regularly scheduled CERT summary, issued in August 2002 (CS-2002-03), we have seen trojan horses for three popular distributions, new self-propagating malicious code (Apache/mod_ssl), and multiple vulnerabilities in BIND. In addition, we have issued a new PGP Key.
For more current information on activity being reported to the CERT/CC, please visit the CERT/CC Current Activity page. The Current Activity page is a regularly updated summary of the most frequent, high-impact types of security incidents and vulnerabilities being reported to the CERT/CC. The information on the Current Activity page is reviewed and updated as reporting trends change.
CERT/CC Current Activity
http://www.cert.org/current/current_activity.html
1. Reports received by the CERT/CC indicate
that the Apache/mod_ssl worm has already infected thousands of
systems. Over a month earlier, the CERT/CC issued an advisory
(CA-2002-23) describing four remotely exploitable buffer overflows
in OpenSSL. Trojan Horse Sendmail Distribution
The CERT/CC has received confirmation that some copies of the
source code for the Sendmail package have been modified by an
intruder to contain a Trojan horse. These copies began to appear
in downloads from the FTP server ftp.sendmail.org on or around
September 28, 2002. On October 8, 2002, the CERT/CC issued an
advisory (CA-2002-28) describing various methods to verify
software authenticity.
CERT Advisory CA-2002-28
Trojan Horse Sendmail Distribution
http://www.cert.org/advisories/CA-2002-28.html
3. Trojan Horse tcpdump and libpcap Distributions
The CERT/CC has received reports that some copies of the source
code for libpcap, a packet acquisition library, and tcpdump, a
network sniffer, have been modified by an intruder and contain a
Trojan horse. These modified distributions began to appear in
downloads from the HTTP server www.tcpdump.org on or around Nov
11, 2002. The CERT/CC issued an advisory (CA-2002-30) listing MD5
checksums and official distribution sites for libpcap and tcpdump.
CERT Advisory CA-2002-30
Trojan Horse tcpdump and libpcap Distributions
http://www.cert.org/advisories/CA-2002-30.html
4. Multiple Vulnerabilities in BIND
The CERT/CC has documented multiple vulnerabilities in BIND, the
popular domain name server and client library software package
from the Internet Software Consortium (ISC). Several vulnerabilities are referenced in the advisory;
they are listed here individually.
CERT Advisory CA-2002-31
Multiple Vulnerabilities in BIND
http://www.cert.org/advisories/CA-2002-31.html
Vulnerability Note #852283
Cached malformed SIG record buffer overflow
http://www.kb.cert.org/vuls/id/852283
Vulnerability Note #229595
Overly large OPT record assertion
http://www.kb.cert.org/vuls/id/229595
Vulnerability Note #581682
ISC Bind 8 fails to properly dereference cache SIG RR
elements invalid expiry times from the internal database
http://www.kb.cert.org/vuls/id/581682
Vulnerability Note #844360
Domain Name System (DNS) stub resolver libraries
vulnerable to buffer overflows via network name or
address lookups
http://www.kb.cert.org/vuls/id/844360
5. Heap Overflow Vulnerability in Microsoft Data Access Components
(MDAC)
On November 21, 2002 the CERT/CC issued an advisory (CA-2002-33)
describing a vulnerability in MDAC, a collection of Microsoft
utilities and routines that process requests between databases and
network applications.
CERT Advisory CA-2002-33
Heap Overflow Vulnerability in Microsoft Data Access
Components (MDAC)
http://www.cert.org/advisories/CA-2002-33.html
New CERT/CC PGP Key
On September 19, the CERT/CC issued a new PGP key, which should be used when sending sensitive information to the CERT/CC.
CERT/CC PGP Public Key
https://www.cert.org/pgp/cert_pgp_key.asc
Sending Sensitive Information To The CERT/CC
http://www.cert.org/contact_cert/encryptmail.html
What's New and Updated
Since the last CERT Summary, we have published new and updated * Advisories http://www.cert.org/advisories/ * Congressional Testimony http://www.cert.org/congressional_testimony/ * CERT/CC Statistics http://www.cert.org/stats/cert_stats.html * Home User Security http://www.cert.org/homeusers/HomeComputerSecurity * Tech Tips http://www.cert.org/tech_tips/ * Training Schedule http:/www.cert.org/training/
This document is available from: http://www.cert.org/summaries/CS-2002-04.html
CERT/CC Contact Information
Email: cert@cert.org Phone: +1 412-268-7090 (24-hour hotline) Fax: +1 412-268-6989 Postal address: CERT Coordination Center Software Engineering Institute Carnegie Mellon University Pittsburgh PA 15213-3890 U.S.A.
CERT/CC personnel answer the hotline 08:00-17:00 EST(GMT-5) / EDT(GMT-4) Monday through Friday; they are on call for emergencies during other hours, on U.S. holidays, and on weekends.
Using encryption
We strongly urge you to encrypt sensitive information sent by email. Our public PGP key is available from http://www.cert.org/CERT_PGP.key
If you prefer to use DES, please call the CERT hotline for more information.
Getting security information
CERT publications and other security information are available from our web site http://www.cert.org/
To subscribe to the CERT mailing list for advisories and bulletins, send email to majordomo@cert.org. Please include in the body of your message
subscribe cert-advisory
- "CERT" and "CERT Coordination Center" are registered in the U.S. Patent and Trademark Office.
NO WARRANTY Any material furnished by Carnegie Mellon University and the Software Engineering Institute is furnished on an "as is" basis. Carnegie Mellon University makes no warranties of any kind, either expressed or implied as to any matter including, but not limited to, warranty of fitness for a particular purpose or merchantability, exclusivity or results obtained from use of the material. Carnegie Mellon University does not make any warranty of any kind with respect to freedom from patent, trademark, or copyright infringement. ___________
Conditions for use, disclaimers, and sponsorship information
Copyright \xa92002 Carnegie Mellon University.
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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.
-
The client master key in SSL2 could be oversized and overrun a buffer. Exploit code is NOT available at this time.
-
This issues only affects OpenSSL 0.9.7 before 0.9.7-beta3 with Kerberos enabled.
-
Various buffers for ASCII representations of integers were too small on 64 bit platforms.
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.
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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The DNS stub resolver library in ISC BIND 4.9.2 through 4.9.10 contains buffer overflows in code that handles responses for network name and address requests. Other resolver libraries derived from BIND 4 such as BSD libc, GNU glibc, and those used by System V UNIX systems may also be affected. An attacker could execute arbitrary code with the privileges of the application that made the request or cause a denial of service. This vulnerability is resolved in BIND versions 4.9.11, 8.2.7, 8.3.4, and BIND 9. Based on recent reports, we believe this vulnerability is being actively exploited. OpenSSL is an open-source implementation of the Secure Sockets Layer (SSL) protocol. A remotely exploitable vulnerability exists in OpenSSL servers that could lead to the execution of arbitrary code on the server. OpenSSL Is OpenSSL On the server SSL version 2.0 ( Less than, SSLv2) The buffer overflow vulnerability is caused by handshake processing. \nThe issue occurs in the handling of the client key value during the negotiation of the SSLv2 protocol. \n***UPDATE: A worm that likely exploits this vulnerability has been discovered propagating in the wild. Additionally, this code includes peer-to-peer and distributed denial-of-service capabilities. There have been numerous reports of intrusions in Europe. It is not yet confirmed whether this vulnerability is in OpenSSL, mod_ssl, or another component. Administrators are advised to upgrade to the most recent versions or to disable Apache, if possible, until more information is available. OpenSSL is prone to a buffer-overflow vulnerability involving overly long SSLv3 session IDs. It supports a variety of encryption algorithms, including symmetric ciphers, hash algorithms, security hashing algorithm, etc. \n\n-----BEGIN PGP SIGNED MESSAGE-----\n\nCERT Summary CS-2002-04\n\n November 26, 2002\n\n Each quarter, the CERT Coordination Center (CERT/CC) issues the CERT\n Summary to draw attention to the types of attacks reported to our\n incident response team, as well as other noteworthy incident and\n vulnerability information. The summary includes pointers to sources of\n information for dealing with the problems. \n\n Past CERT summaries are available from:\n\n CERT Summaries\n http://www.cert.org/summaries/\n ______________________________________________________________________\n\nRecent Activity\n\n Since the last regularly scheduled CERT summary, issued in August 2002\n (CS-2002-03), we have seen trojan horses for three popular\n distributions, new self-propagating malicious code (Apache/mod_ssl),\n and multiple vulnerabilities in BIND. In addition, we have issued a\n new PGP Key. \n\n For more current information on activity being reported to the\n CERT/CC, please visit the CERT/CC Current Activity page. The Current\n Activity page is a regularly updated summary of the most frequent,\n high-impact types of security incidents and vulnerabilities being\n reported to the CERT/CC. The information on the Current Activity page\n is reviewed and updated as reporting trends change. \n\n CERT/CC Current Activity\n http://www.cert.org/current/current_activity.html\n\n\n 1. Reports received by the CERT/CC indicate\n that the Apache/mod_ssl worm has already infected thousands of\n systems. Over a month earlier, the CERT/CC issued an advisory\n (CA-2002-23) describing four remotely exploitable buffer overflows\n in OpenSSL. Trojan Horse Sendmail Distribution\n\n The CERT/CC has received confirmation that some copies of the\n source code for the Sendmail package have been modified by an\n intruder to contain a Trojan horse. These copies began to appear\n in downloads from the FTP server ftp.sendmail.org on or around\n September 28, 2002. On October 8, 2002, the CERT/CC issued an\n advisory (CA-2002-28) describing various methods to verify\n software authenticity. \n\n\t\tCERT Advisory CA-2002-28\n\t\tTrojan Horse Sendmail Distribution\n\t\thttp://www.cert.org/advisories/CA-2002-28.html\n\n\n 3. Trojan Horse tcpdump and libpcap Distributions\n\n The CERT/CC has received reports that some copies of the source\n code for libpcap, a packet acquisition library, and tcpdump, a\n network sniffer, have been modified by an intruder and contain a\n Trojan horse. These modified distributions began to appear in\n downloads from the HTTP server www.tcpdump.org on or around Nov\n 11, 2002. The CERT/CC issued an advisory (CA-2002-30) listing MD5\n checksums and official distribution sites for libpcap and tcpdump. \n\n\t\tCERT Advisory CA-2002-30\n\t\tTrojan Horse tcpdump and libpcap Distributions\n\t\thttp://www.cert.org/advisories/CA-2002-30.html\n\n\n 4. Multiple Vulnerabilities in BIND\n\n The CERT/CC has documented multiple vulnerabilities in BIND, the\n popular domain name server and client library software package\n from the Internet Software Consortium (ISC). Several vulnerabilities are referenced in the advisory;\n they are listed here individually. \n\n\t\tCERT Advisory CA-2002-31\n\t\tMultiple Vulnerabilities in BIND\n\t\thttp://www.cert.org/advisories/CA-2002-31.html\n\n\t\tVulnerability Note #852283\n\t\tCached malformed SIG record buffer overflow\n\t\thttp://www.kb.cert.org/vuls/id/852283\n\n\t\tVulnerability Note #229595\n\t\tOverly large OPT record assertion\n\t\thttp://www.kb.cert.org/vuls/id/229595\n\n\t\tVulnerability Note #581682\n\t\tISC Bind 8 fails to properly dereference cache SIG RR \n\t\telements invalid expiry times from the internal database\n\t\thttp://www.kb.cert.org/vuls/id/581682\n\n\t\tVulnerability Note #844360\n\t\tDomain Name System (DNS) stub resolver libraries \n\t\tvulnerable to buffer overflows via network name or \n\t\taddress lookups\n\t\thttp://www.kb.cert.org/vuls/id/844360\n\n 5. Heap Overflow Vulnerability in Microsoft Data Access Components\n (MDAC)\n\n On November 21, 2002 the CERT/CC issued an advisory (CA-2002-33)\n describing a vulnerability in MDAC, a collection of Microsoft\n utilities and routines that process requests between databases and\n network applications. \n\n\t CERT Advisory CA-2002-33\n\t Heap Overflow Vulnerability in Microsoft Data Access \n\t Components (MDAC)\n\t http://www.cert.org/advisories/CA-2002-33.html\n ______________________________________________________________________\n\nNew CERT/CC PGP Key\n\n On September 19, the CERT/CC issued a new PGP key, which should be\n used when sending sensitive information to the CERT/CC. \n\n CERT/CC PGP Public Key\n https://www.cert.org/pgp/cert_pgp_key.asc\n Sending Sensitive Information To The CERT/CC\n\n http://www.cert.org/contact_cert/encryptmail.html\n ______________________________________________________________________\n\nWhat\u0027s New and Updated\n\n Since the last CERT Summary, we have published new and updated\n * Advisories\n http://www.cert.org/advisories/\n * Congressional Testimony\n http://www.cert.org/congressional_testimony/\n * CERT/CC Statistics\n http://www.cert.org/stats/cert_stats.html\n * Home User Security\n http://www.cert.org/homeusers/HomeComputerSecurity\n * Tech Tips\n http://www.cert.org/tech_tips/\n * Training Schedule\n http:/www.cert.org/training/\n ______________________________________________________________________\n\n This document is available from:\n http://www.cert.org/summaries/CS-2002-04.html\n ______________________________________________________________________\n\nCERT/CC Contact Information\n\n Email: cert@cert.org\n Phone: +1 412-268-7090 (24-hour hotline)\n Fax: +1 412-268-6989\n Postal address:\n CERT Coordination Center\n Software Engineering Institute\n Carnegie Mellon University\n Pittsburgh PA 15213-3890\n U.S.A. \n\n CERT/CC personnel answer the hotline 08:00-17:00 EST(GMT-5) /\n EDT(GMT-4) Monday through Friday; they are on call for emergencies\n during other hours, on U.S. holidays, and on weekends. \n\n Using encryption\n\n We strongly urge you to encrypt sensitive information sent by email. \n Our public PGP key is available from\n http://www.cert.org/CERT_PGP.key\n\n If you prefer to use DES, please call the CERT hotline for more\n information. \n\n Getting security information\n\n CERT publications and other security information are available from\n our web site\n http://www.cert.org/\n\n To subscribe to the CERT mailing list for advisories and bulletins,\n send email to majordomo@cert.org. Please include in the body of your\n message\n\n subscribe cert-advisory\n\n * \"CERT\" and \"CERT Coordination Center\" are registered in the U.S. \n Patent and Trademark Office. \n ______________________________________________________________________\n\n NO WARRANTY\n Any material furnished by Carnegie Mellon University and the Software\n Engineering Institute is furnished on an \"as is\" basis. Carnegie\n Mellon University makes no warranties of any kind, either expressed or\n implied as to any matter including, but not limited to, warranty of\n fitness for a particular purpose or merchantability, exclusivity or\n results obtained from use of the material. Carnegie Mellon University\n does not make any warranty of any kind with respect to freedom from\n patent, trademark, or copyright infringement. \n _________________________________________________________________\n\n Conditions for use, disclaimers, and sponsorship information\n\n Copyright \\xa92002 Carnegie Mellon University. \n\n-----BEGIN PGP SIGNATURE-----\nVersion: PGP 6.5.8\n\niQCVAwUBPePMQWjtSoHZUTs5AQGdxwP9HK4mSF15bMQ9MZ4mMFcLIhvdXykANg8A\n6nEIAyB8CJpbuWdP7sPh3qAwaZ9BhRFEGeLakONOpoo7bmjkwAWrJHxF3b1CrgHS\nZuKQsgEhnm9wpPdU6w6SG1cJBkwz70b8d7YK0vcVuKhmaW0JOx9OLGKsAe3SFePD\nOiZbNHX+eb8=\n=Mnbn\n-----END PGP SIGNATURE-----\n. 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\n1. The client master key in SSL2 could be oversized and overrun a\n buffer. Exploit code is\n NOT available at this time. \n\n2. \n\n3. This issues only affects OpenSSL\n 0.9.7 before 0.9.7-beta3 with Kerberos enabled. \n\n4. Various buffers for ASCII representations of integers were too\n small on 64 bit platforms. \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\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", "sources": [ { "db": "NVD", "id": "CVE-2002-0656" }, { "db": "CERT/CC", "id": "VU#258555" }, { "db": "CERT/CC", "id": "VU#844360" }, { "db": "CERT/CC", "id": "VU#852283" }, { "db": "CERT/CC", "id": "VU#581682" }, { "db": "CERT/CC", "id": "VU#229595" }, { "db": "CERT/CC", "id": "VU#102795" }, { "db": "JVNDB", "id": "JVNDB-2002-000172" }, { "db": "BID", "id": "5363" }, { "db": "BID", "id": "5362" }, { "db": "VULHUB", "id": "VHN-5047" }, { "db": "VULMON", "id": "CVE-2002-0656" }, { "db": "PACKETSTORM", "id": "30532" }, { "db": "PACKETSTORM", "id": "169647" } ], "trust": 6.84 }, 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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.