CAPEC |
-
Authentication Abuse
An attacker obtains unauthorized access to an application, service or device either through knowledge of the inherent weaknesses of an authentication mechanism, or by exploiting a flaw in the authentication scheme's implementation. In such an attack an authentication mechanism is functioning but a carefully controlled sequence of events causes the mechanism to grant access to the attacker. This attack may exploit assumptions made by the target's authentication procedures, such as assumptions regarding trust relationships or assumptions regarding the generation of secret values. This attack differs from Authentication Bypass attacks in that Authentication Abuse allows the attacker to be certified as a valid user through illegitimate means, while Authentication Bypass allows the user to access protected material without ever being certified as an authenticated user. This attack does not rely on prior sessions established by successfully authenticating users, as relied upon for the "Exploitation of Session Variables, Resource IDs and other Trusted Credentials" attack patterns.
-
Exploiting Trust in Client (aka Make the Client Invisible)
An attack of this type exploits a programs' vulnerabilities in client/server communication channel authentication and data integrity. It leverages the implicit trust a server places in the client, or more importantly, that which the server believes is the client.
An attacker executes this type of attack by placing themselves in the communication channel between client and server such that communication directly to the server is possible where the server believes it is communicating only with a valid client.
There are numerous variations of this type of attack.
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Utilizing REST's Trust in the System Resource to Register Man in the Middle
This attack utilizes a REST(REpresentational State Transfer)-style applications' trust in the system resources and environment to place man in the middle once SSL is terminated. Rest applications premise is that they leverage existing infrastructure to deliver web services functionality. An example of this is a Rest application that uses HTTP Get methods and receives a HTTP response with an XML document. These Rest style web services are deployed on existing infrastructure such as Apache and IIS web servers with no SOAP stack required. Unfortunately from a security standpoint, there frequently is no interoperable identity security mechanism deployed, so Rest developers often fall back to SSL to deliver security. In large data centers, SSL is typically terminated at the edge of the network - at the firewall, load balancer, or router. Once the SSL is terminated the HTTP request is in the clear (unless developers have hashed or encrypted the values, but this is rare). The attacker can utilize a sniffer such as Wireshark to snapshot the credentials, such as username and password that are passed in the clear once SSL is terminated.
Once the attacker gathers these credentials, they can submit requests to the web service provider just as authorized user do. There is not typically an authentication on the client side, beyond what is passed in the request itself so once this is compromised, then this is generally sufficient to compromise the service's authentication scheme.
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Man in the Middle Attack
This type of attack targets the communication between two components (typically client and server). The attacker places himself in the communication channel between the two components. Whenever one component attempts to communicate with the other (data flow, authentication challenges, etc.), the data first goes to the attacker, who has the opportunity to observe or alter it, and it is then passed on to the other component as if it was never intercepted. This interposition is transparent leaving the two compromised components unaware of the potential corruption or leakage of their communications. The potential for Man-in-the-Middle attacks yields an implicit lack of trust in communication or identify between two components.
|
nessus
via4
|
NASL family | Oracle Linux Local Security Checks | NASL id | ORACLELINUX_ELSA-2009-0004.NASL | description | From Red Hat Security Advisory 2009:0004 :
Updated OpenSSL packages that correct a security issue are now
available for Red Hat Enterprise Linux 2.1, 3, 4, and 5.
This update has been rated as having important security impact by the
Red Hat Security Response Team.
OpenSSL is a toolkit that implements Secure Sockets Layer (SSL v2/v3)
and Transport Layer Security (TLS v1) protocols as well as a
full-strength, general purpose, cryptography library.
The Google security team discovered a flaw in the way OpenSSL checked
the verification of certificates. An attacker in control of a
malicious server, or able to effect a 'man in the middle' attack,
could present a malformed SSL/TLS signature from a certificate chain
to a vulnerable client and bypass validation. (CVE-2008-5077)
All OpenSSL users should upgrade to these updated packages, which
contain backported patches to resolve these issues. For the update to
take effect, all running OpenSSL client applications must be
restarted, or the system rebooted. | last seen | 2019-01-16 | modified | 2016-12-07 | plugin id | 67783 | published | 2013-07-12 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=67783 | title | Oracle Linux 3 / 4 / 5 : openssl (ELSA-2009-0004) |
NASL family | Debian Local Security Checks | NASL id | DEBIAN_DSA-1701.NASL | description | It was discovered that OpenSSL does not properly verify DSA signatures
on X.509 certificates due to an API misuse, potentially leading to the
acceptance of incorrect X.509 certificates as genuine (CVE-2008-5077
). | last seen | 2019-01-16 | modified | 2018-11-10 | plugin id | 35364 | published | 2009-01-14 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=35364 | title | Debian DSA-1701-1 : openssl, openssl097 - interpretation conflict |
NASL family | Red Hat Local Security Checks | NASL id | REDHAT-RHSA-2009-0004.NASL | description | Updated OpenSSL packages that correct a security issue are now
available for Red Hat Enterprise Linux 2.1, 3, 4, and 5.
This update has been rated as having important security impact by the
Red Hat Security Response Team.
OpenSSL is a toolkit that implements Secure Sockets Layer (SSL v2/v3)
and Transport Layer Security (TLS v1) protocols as well as a
full-strength, general purpose, cryptography library.
The Google security team discovered a flaw in the way OpenSSL checked
the verification of certificates. An attacker in control of a
malicious server, or able to effect a 'man in the middle' attack,
could present a malformed SSL/TLS signature from a certificate chain
to a vulnerable client and bypass validation. (CVE-2008-5077)
All OpenSSL users should upgrade to these updated packages, which
contain backported patches to resolve these issues. For the update to
take effect, all running OpenSSL client applications must be
restarted, or the system rebooted. | last seen | 2019-01-16 | modified | 2018-11-27 | plugin id | 35316 | published | 2009-01-08 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=35316 | title | RHEL 2.1 / 3 / 4 / 5 : openssl (RHSA-2009:0004) |
NASL family | CentOS Local Security Checks | NASL id | CENTOS_RHSA-2009-0046.NASL | description | Updated ntp packages to correct a security issue are now available for
Red Hat Enterprise Linux 4 and 5.
This update has been rated as having moderate security impact by the
Red Hat Security Response Team.
The Network Time Protocol (NTP) is used to synchronize a computer's
time with a referenced time source.
A flaw was discovered in the way the ntpd daemon checked the return
value of the OpenSSL EVP_VerifyFinal function. On systems using NTPv4
authentication, this could lead to an incorrect verification of
cryptographic signatures, allowing time-spoofing attacks.
(CVE-2009-0021)
Note: This issue only affects systems that have enabled NTP
authentication. By default, NTP authentication is not enabled.
All ntp users are advised to upgrade to the updated packages, which
contain a backported patch to resolve this issue. After installing the
update, the ntpd daemon will restart automatically. | last seen | 2019-01-16 | modified | 2018-11-28 | plugin id | 43728 | published | 2010-01-06 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=43728 | title | CentOS 4 / 5 : ntp (CESA-2009:0046) |
NASL family | SuSE Local Security Checks | NASL id | SUSE_11_1_NTP-090119.NASL | description | This update of ntp improves a check for the return value of openssl's
function EVP_VerifyFinal(). (CVE-2009-0021) | last seen | 2019-01-16 | modified | 2014-06-13 | plugin id | 40284 | published | 2009-07-21 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=40284 | title | openSUSE Security Update : ntp (ntp-439) |
NASL family | Oracle Linux Local Security Checks | NASL id | ORACLELINUX_ELSA-2009-0020.NASL | description | From Red Hat Security Advisory 2009:0020 :
Updated Bind packages to correct a security issue are now available
for Red Hat Enterprise Linux 2.1, 3, 4, and 5.
This update has been rated as having moderate security impact by the
Red Hat Security Response Team.
BIND (Berkeley Internet Name Domain) is an implementation of the DNS
(Domain Name System) protocols.
A flaw was discovered in the way BIND checked the return value of the
OpenSSL DSA_do_verify function. On systems using DNSSEC, a malicious
zone could present a malformed DSA certificate and bypass proper
certificate validation, allowing spoofing attacks. (CVE-2009-0025)
For users of Red Hat Enterprise Linux 3 this update also addresses a
bug which can cause BIND to occasionally exit with an assertion
failure.
All BIND users are advised to upgrade to the updated package, which
contains a backported patch to resolve this issue. After installing
the update, BIND daemon will be restarted automatically. | last seen | 2019-01-16 | modified | 2019-01-02 | plugin id | 67792 | published | 2013-07-12 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=67792 | title | Oracle Linux 3 / 4 / 5 : bind (ELSA-2009-0020) |
NASL family | Oracle Linux Local Security Checks | NASL id | ORACLELINUX_ELSA-2009-0046.NASL | description | From Red Hat Security Advisory 2009:0046 :
Updated ntp packages to correct a security issue are now available for
Red Hat Enterprise Linux 4 and 5.
This update has been rated as having moderate security impact by the
Red Hat Security Response Team.
The Network Time Protocol (NTP) is used to synchronize a computer's
time with a referenced time source.
A flaw was discovered in the way the ntpd daemon checked the return
value of the OpenSSL EVP_VerifyFinal function. On systems using NTPv4
authentication, this could lead to an incorrect verification of
cryptographic signatures, allowing time-spoofing attacks.
(CVE-2009-0021)
Note: This issue only affects systems that have enabled NTP
authentication. By default, NTP authentication is not enabled.
All ntp users are advised to upgrade to the updated packages, which
contain a backported patch to resolve this issue. After installing the
update, the ntpd daemon will restart automatically. | last seen | 2019-01-16 | modified | 2019-01-02 | plugin id | 67793 | published | 2013-07-12 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=67793 | title | Oracle Linux 4 / 5 : ntp (ELSA-2009-0046) |
NASL family | MacOS X Local Security Checks | NASL id | MACOSX_SECUPD2009-002.NASL | description | The remote host is running a version of Mac OS X 10.4 that does not
have Security Update 2009-002 applied.
This security update contains fixes for the following products :
- Apache
- ATS
- BIND
- CoreGraphics
- Cscope
- CUPS
- Disk Images
- enscript
- Flash Player plug-in
- Help Viewer
- IPSec
- Kerberos
- Launch Services
- libxml
- Net-SNMP
- Network Time
- OpenSSL
- QuickDraw Manager
- Spotlight
- system_cmds
- telnet
- Terminal
- X11 | last seen | 2019-01-16 | modified | 2018-07-14 | plugin id | 38743 | published | 2009-05-13 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=38743 | title | Mac OS X Multiple Vulnerabilities (Security Update 2009-002) |
NASL family | CentOS Local Security Checks | NASL id | CENTOS_RHSA-2009-0004.NASL | description | Updated OpenSSL packages that correct a security issue are now
available for Red Hat Enterprise Linux 2.1, 3, 4, and 5.
This update has been rated as having important security impact by the
Red Hat Security Response Team.
OpenSSL is a toolkit that implements Secure Sockets Layer (SSL v2/v3)
and Transport Layer Security (TLS v1) protocols as well as a
full-strength, general purpose, cryptography library.
The Google security team discovered a flaw in the way OpenSSL checked
the verification of certificates. An attacker in control of a
malicious server, or able to effect a 'man in the middle' attack,
could present a malformed SSL/TLS signature from a certificate chain
to a vulnerable client and bypass validation. (CVE-2008-5077)
All OpenSSL users should upgrade to these updated packages, which
contain backported patches to resolve these issues. For the update to
take effect, all running OpenSSL client applications must be
restarted, or the system rebooted. | last seen | 2019-01-16 | modified | 2018-11-10 | plugin id | 35310 | published | 2009-01-08 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=35310 | title | CentOS 3 / 4 / 5 : openssl (CESA-2009:0004) |
NASL family | Ubuntu Local Security Checks | NASL id | UBUNTU_USN-705-1.NASL | description | It was discovered that NTP did not properly perform signature
verification. A remote attacker could exploit this to bypass
certificate validation via a malformed SSL/TLS signature.
Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues. | last seen | 2019-01-16 | modified | 2018-11-23 | plugin id | 37876 | published | 2009-04-23 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=37876 | title | Ubuntu 6.06 LTS / 7.10 / 8.04 LTS / 8.10 : ntp vulnerability (USN-705-1) |
NASL family | OracleVM Local Security Checks | NASL id | ORACLEVM_OVMSA-2015-0001.NASL | description | The remote OracleVM system is missing necessary patches to address
critical security updates :
- Remove default ntp servers in ntp.conf [bug 14342986]
- don't generate weak control key for resolver
(CVE-2014-9293)
- don't generate weak MD5 keys in ntp-keygen
(CVE-2014-9294)
- fix buffer overflows via specially-crafted packets
(CVE-2014-9295)
- increase memlock limit again (#1035198)
- allow selection of cipher for private key files
(#741573)
- revert init script priority (#470945, #689636)
- drop tentative patch (#489835)
- move restorecon call to %posttrans
- call restorecon on ntpd and ntpdate on start (#470945)
- don't crash with more than 512 local addresses (#661934)
- add -I option (#528799)
- fix -L option to not require argument (#460434)
- move ntpd and ntpdate to /sbin and start earlier on boot
(#470945, #689636)
- increase memlock limit (#575874)
- ignore tentative addresses (#489835)
- print synchronization distance instead of dispersion in
ntpstat (#679034)
- fix typos in ntpq and ntp-keygen man pages (#664524,
#664525)
- clarify ntpd -q description (#591838)
- don't verify ntp.conf (#481151)
- replace Prereq tag
- fix DoS with mode 7 packets (#532640, CVE-2009-3563)
- compile with -fno-strict-aliasing
- fix buffer overflow when parsing Autokey association
message (#500784, CVE-2009-1252)
- fix buffer overflow in ntpq (#500784, CVE-2009-0159)
- fix check for malformed signatures (#479699,
CVE-2009-0021) | last seen | 2019-01-16 | modified | 2018-07-24 | plugin id | 80394 | published | 2015-01-07 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=80394 | title | OracleVM 3.2 : ntp (OVMSA-2015-0001) |
NASL family | Ubuntu Local Security Checks | NASL id | UBUNTU_USN-706-1.NASL | description | It was discovered that Bind did not properly perform signature
verification. When DNSSEC with DSA signatures are in use, a remote
attacker could exploit this to bypass signature validation to spoof
DNS entries and poison DNS caches. Among other things, this could lead
to misdirected email and web traffic.
Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues. | last seen | 2019-01-16 | modified | 2018-11-28 | plugin id | 36220 | published | 2009-04-23 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=36220 | title | Ubuntu 6.06 LTS / 7.10 / 8.04 LTS / 8.10 : bind9 vulnerability (USN-706-1) |
NASL family | Scientific Linux Local Security Checks | NASL id | SL_20090129_NTP_ON_SL4_X.NASL | description | A flaw was discovered in the way the ntpd daemon checked the return
value of the OpenSSL EVP_VerifyFinal function. On systems using NTPv4
authentication, this could lead to an incorrect verification of
cryptographic signatures, allowing time-spoofing attacks.
(CVE-2009-0021)
Note: This issue only affects systems that have enabled NTP
authentication. By default, NTP authentication is not enabled.
After installing the update, the ntpd daemon will restart
automatically. | last seen | 2019-01-16 | modified | 2019-01-02 | plugin id | 60526 | published | 2012-08-01 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=60526 | title | Scientific Linux Security Update : ntp on SL4.x, SL5.x i386/x86_64 |
NASL family | VMware ESX Local Security Checks | NASL id | VMWARE_VMSA-2009-0004.NASL | description | a. Updated OpenSSL package for the Service Console fixes a
security issue.
OpenSSL 0.9.7a-33.24 and earlier does not properly check the return
value from the EVP_VerifyFinal function, which could allow a remote
attacker to bypass validation of the certificate chain via a
malformed SSL/TLS signature for DSA and ECDSA keys.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CVE-2008-5077 to this issue.
b. Update bind package for the Service Console fixes a security issue.
A flaw was discovered in the way Berkeley Internet Name Domain
(BIND) checked the return value of the OpenSSL DSA_do_verify
function. On systems using DNSSEC, a malicious zone could present
a malformed DSA certificate and bypass proper certificate
validation, allowing spoofing attacks.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CVE-2009-0025 to this issue.
c. Updated vim package for the Service Console addresses several
security issues.
Several input flaws were found in Visual editor IMproved's (Vim)
keyword and tag handling. If Vim looked up a document's maliciously
crafted tag or keyword, it was possible to execute arbitrary code as
the user running Vim.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CVE-2008-4101 to this issue.
A heap-based overflow flaw was discovered in Vim's expansion of file
name patterns with shell wildcards. An attacker could create a
specially crafted file or directory name, when opened by Vim causes
the application to stop responding or execute arbitrary code.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CVE-2008-3432 to this issue.
Several input flaws were found in various Vim system functions. If a
user opened a specially crafted file, it was possible to execute
arbitrary code as the user running Vim.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CVE-2008-2712 to this issue.
A format string flaw was discovered in Vim's help tag processor. If
a user was tricked into executing the 'helptags' command on
malicious data, arbitrary code could be executed with the
permissions of the user running VIM.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CVE-2007-2953 to this issue. | last seen | 2019-01-16 | modified | 2018-08-06 | plugin id | 40389 | published | 2009-07-27 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=40389 | title | VMSA-2009-0004 : ESX Service Console updates for openssl, bind, and vim |
NASL family | Fedora Local Security Checks | NASL id | FEDORA_2009-0547.NASL | description | This update fixes CVE-2009-0021: NTP 4.2.4 before 4.2.4p5 and 4.2.5
before 4.2.5p150 does not properly check the return value from the
OpenSSL EVP_VerifyFinal function, which allows remote attackers to
bypass validation of the certificate chain via a malformed SSL/TLS
signature for DSA and ECDSA keys, a similar vulnerability to
CVE-2008-5077.
Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues. | last seen | 2019-01-16 | modified | 2018-11-28 | plugin id | 35455 | published | 2009-01-26 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=35455 | title | Fedora 9 : ntp-4.2.4p6-1.fc9 (2009-0547) |
NASL family | Solaris Local Security Checks | NASL id | SOLARIS10_X86_139501.NASL | description | SunOS 5.10_x86: openssl patch.
Date this patch was last updated by Sun : Feb/24/09 | last seen | 2018-09-02 | modified | 2018-08-13 | plugin id | 36555 | published | 2009-04-23 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=36555 | title | Solaris 10 (x86) : 139501-02 |
NASL family | OracleVM Local Security Checks | NASL id | ORACLEVM_OVMSA-2009-0011.NASL | description | The remote OracleVM system is missing necessary patches to address
critical security updates :
CVE-2009-0159 Stack-based buffer overflow in the cookedprint function
in ntpq/ntpq.c in ntpq in NTP before 4.2.4p7-RC2 allows remote NTP
servers to execute arbitrary code via a crafted response.
CVE-2009-1252 Stack-based buffer overflow in the crypto_recv function
in ntp_crypto.c in ntpd in NTP before 4.2.4p7 and 4.2.5 before
4.2.5p74, when OpenSSL and autokey are enabled, allows remote
attackers to execute arbitrary code via a crafted packet containing an
extension field.
CVE-2009-0021 NTP 4.2.4 before 4.2.4p5 and 4.2.5 before 4.2.5p150 does
not properly check the return value from the OpenSSL EVP_VerifyFinal
function, which allows remote attackers to bypass validation of the
certificate chain via a malformed SSL/TLS signature for DSA and ECDSA
keys, a similar vulnerability to CVE-2008-5077.
- fix buffer overflow when parsing Autokey association
message (#500783, CVE-2009-1252)
- fix buffer overflow in ntpq (#500783, CVE-2009-0159)
- fix check for malformed signatures (#479698,
CVE-2009-0021)
- fix selecting multicast interface (#444106)
- disable kernel discipline when -x option is used
(#431729)
- avoid use of uninitialized floating-point values in
clock_select (#250838)
- generate man pages from html source, include config man
pages (#307271)
- add note about paths and exit codes to ntpd man page
(#242925, #246568)
- add section about exit codes to ntpd man page (#319591)
- always return 0 in scriptlets
- pass additional options to ntpdate (#240141)
- fix broadcast client to accept broadcasts on
255.255.255.255 (#226958)
- compile with crypto support on 64bit architectures
(#239580)
- add ncurses-devel to buildrequires (#239580)
- exit with nonzero code if ntpd -q did not set clock
(#240134)
- fix return codes in init script (#240118) | last seen | 2019-01-16 | modified | 2018-07-24 | plugin id | 79458 | published | 2014-11-26 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=79458 | title | OracleVM 2.1 : ntp (OVMSA-2009-0011) |
NASL family | OracleVM Local Security Checks | NASL id | ORACLEVM_OVMSA-2015-0002.NASL | description | The remote OracleVM system is missing necessary patches to address
critical security updates :
- don't generate weak control key for resolver
(CVE-2014-9293)
- don't generate weak MD5 keys in ntp-keygen
(CVE-2014-9294)
- fix buffer overflows via specially-crafted packets
(CVE-2014-9295)
- increase memlock limit again (#1035198)
- allow selection of cipher for private key files
(#741573)
- revert init script priority (#470945, #689636)
- drop tentative patch (#489835)
- move restorecon call to %posttrans
- call restorecon on ntpd and ntpdate on start (#470945)
- don't crash with more than 512 local addresses (#661934)
- add -I option (#528799)
- fix -L option to not require argument (#460434)
- move ntpd and ntpdate to /sbin and start earlier on boot
(#470945, #689636)
- increase memlock limit (#575874)
- ignore tentative addresses (#489835)
- print synchronization distance instead of dispersion in
ntpstat (#679034)
- fix typos in ntpq and ntp-keygen man pages (#664524,
#664525)
- clarify ntpd -q description (#591838)
- don't verify ntp.conf (#481151)
- replace Prereq tag
- fix DoS with mode 7 packets (#532640, CVE-2009-3563)
- compile with -fno-strict-aliasing
- fix buffer overflow when parsing Autokey association
message (#500784, CVE-2009-1252)
- fix buffer overflow in ntpq (#500784, CVE-2009-0159)
- fix check for malformed signatures (#479699,
CVE-2009-0021) | last seen | 2019-01-16 | modified | 2018-07-24 | plugin id | 80395 | published | 2015-01-07 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=80395 | title | OracleVM 2.2 : ntp (OVMSA-2015-0002) |
NASL family | SuSE Local Security Checks | NASL id | SUSE_XNTP-5936.NASL | description | This update of ntp improves a check for the return value of openssl's
function EVP_VerifyFinal(). (CVE-2009-0021) | last seen | 2019-01-16 | modified | 2014-06-13 | plugin id | 35723 | published | 2009-02-20 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=35723 | title | openSUSE 10 Security Update : xntp (xntp-5936) |
NASL family | CentOS Local Security Checks | NASL id | CENTOS_RHSA-2009-0020.NASL | description | Updated Bind packages to correct a security issue are now available
for Red Hat Enterprise Linux 2.1, 3, 4, and 5.
This update has been rated as having moderate security impact by the
Red Hat Security Response Team.
BIND (Berkeley Internet Name Domain) is an implementation of the DNS
(Domain Name System) protocols.
A flaw was discovered in the way BIND checked the return value of the
OpenSSL DSA_do_verify function. On systems using DNSSEC, a malicious
zone could present a malformed DSA certificate and bypass proper
certificate validation, allowing spoofing attacks. (CVE-2009-0025)
For users of Red Hat Enterprise Linux 3 this update also addresses a
bug which can cause BIND to occasionally exit with an assertion
failure.
All BIND users are advised to upgrade to the updated package, which
contains a backported patch to resolve this issue. After installing
the update, BIND daemon will be restarted automatically. | last seen | 2019-01-16 | modified | 2018-11-28 | plugin id | 35589 | published | 2009-02-05 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=35589 | title | CentOS 3 / 4 / 5 : bind (CESA-2009:0020) |
NASL family | MacOS X Local Security Checks | NASL id | MACOSX_10_5_7.NASL | description | The remote host is running a version of Mac OS X 10.5.x that is prior
to 10.5.7.
Mac OS X 10.5.7 contains security fixes for the following products :
- Apache
- ATS
- BIND
- CFNetwork
- CoreGraphics
- Cscope
- CUPS
- Disk Images
- enscript
- Flash Player plug-in
- Help Viewer
- iChat
- International Components for Unicode
- IPSec
- Kerberos
- Kernel
- Launch Services
- libxml
- Net-SNMP
- Network Time
- Networking
- OpenSSL
- PHP
- QuickDraw Manager
- ruby
- Safari
- Spotlight
- system_cmds
- telnet
- Terminal
- WebKit
- X11 | last seen | 2019-01-16 | modified | 2018-07-14 | plugin id | 38744 | published | 2009-05-13 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=38744 | title | Mac OS X 10.5.x < 10.5.7 Multiple Vulnerabilities |
NASL family | Red Hat Local Security Checks | NASL id | REDHAT-RHSA-2009-0046.NASL | description | Updated ntp packages to correct a security issue are now available for
Red Hat Enterprise Linux 4 and 5.
This update has been rated as having moderate security impact by the
Red Hat Security Response Team.
The Network Time Protocol (NTP) is used to synchronize a computer's
time with a referenced time source.
A flaw was discovered in the way the ntpd daemon checked the return
value of the OpenSSL EVP_VerifyFinal function. On systems using NTPv4
authentication, this could lead to an incorrect verification of
cryptographic signatures, allowing time-spoofing attacks.
(CVE-2009-0021)
Note: This issue only affects systems that have enabled NTP
authentication. By default, NTP authentication is not enabled.
All ntp users are advised to upgrade to the updated packages, which
contain a backported patch to resolve this issue. After installing the
update, the ntpd daemon will restart automatically. | last seen | 2019-01-16 | modified | 2019-01-02 | plugin id | 35551 | published | 2009-01-29 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=35551 | title | RHEL 4 / 5 : ntp (RHSA-2009:0046) |
NASL family | Debian Local Security Checks | NASL id | DEBIAN_DSA-1702.NASL | description | It has been discovered that NTP, an implementation of the Network Time
Protocol, does not properly check the result of an OpenSSL function
for verifying cryptographic signatures, which may ultimately lead to
the acceptance of unauthenticated time information. (Note that
cryptographic authentication of time servers is often not enabled in
the first place.) | last seen | 2019-01-16 | modified | 2018-11-10 | plugin id | 35365 | published | 2009-01-14 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=35365 | title | Debian DSA-1702-1 : ntp - interpretation conflict |
NASL family | Red Hat Local Security Checks | NASL id | REDHAT-RHSA-2009-0020.NASL | description | Updated Bind packages to correct a security issue are now available
for Red Hat Enterprise Linux 2.1, 3, 4, and 5.
This update has been rated as having moderate security impact by the
Red Hat Security Response Team.
BIND (Berkeley Internet Name Domain) is an implementation of the DNS
(Domain Name System) protocols.
A flaw was discovered in the way BIND checked the return value of the
OpenSSL DSA_do_verify function. On systems using DNSSEC, a malicious
zone could present a malformed DSA certificate and bypass proper
certificate validation, allowing spoofing attacks. (CVE-2009-0025)
For users of Red Hat Enterprise Linux 3 this update also addresses a
bug which can cause BIND to occasionally exit with an assertion
failure.
All BIND users are advised to upgrade to the updated package, which
contains a backported patch to resolve this issue. After installing
the update, BIND daemon will be restarted automatically. | last seen | 2019-01-16 | modified | 2019-01-02 | plugin id | 35324 | published | 2009-01-09 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=35324 | title | RHEL 2.1 / 3 / 4 / 5 : bind (RHSA-2009:0020) |
NASL family | Solaris Local Security Checks | NASL id | SOLARIS10_139500.NASL | description | SunOS 5.10: openssl patch.
Date this patch was last updated by Sun : Apr/01/09 | last seen | 2018-09-01 | modified | 2018-08-13 | plugin id | 38118 | published | 2009-04-23 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=38118 | title | Solaris 10 (sparc) : 139500-04 |
NASL family | SuSE Local Security Checks | NASL id | SUSE_XNTP-6072.NASL | description | ntp didn't properly check the return value of the openssl function
EVP_VerifyFinal. (CVE-2009-0021)
Additionally a problem where ntpd refused to use keys from
/etc/ntp.keys has been fixed. | last seen | 2019-01-16 | modified | 2012-05-17 | plugin id | 41600 | published | 2009-09-24 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=41600 | title | SuSE 10 Security Update : xntp (ZYPP Patch Number 6072) |
NASL family | Fedora Local Security Checks | NASL id | FEDORA_2009-0544.NASL | description | This update fixes CVE-2009-0021: NTP 4.2.4 before 4.2.4p5 and 4.2.5
before 4.2.5p150 does not properly check the return value from the
OpenSSL EVP_VerifyFinal function, which allows remote attackers to
bypass validation of the certificate chain via a malformed SSL/TLS
signature for DSA and ECDSA keys, a similar vulnerability to
CVE-2008-5077.
Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues. | last seen | 2019-01-16 | modified | 2015-10-21 | plugin id | 36222 | published | 2009-04-23 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=36222 | title | Fedora 10 : ntp-4.2.4p6-1.fc10 (2009-0544) |
NASL family | Gentoo Local Security Checks | NASL id | GENTOO_GLSA-200904-05.NASL | description | The remote host is affected by the vulnerability described in GLSA-200904-05
(ntp: Certificate validation error)
It has been reported that ntp incorrectly checks the return value of
the EVP_VerifyFinal(), a vulnerability related to CVE-2008-5077 (GLSA
200902-02).
Impact :
A remote attacker could exploit this vulnerability to spoof arbitrary
names to conduct Man-In-The-Middle attacks and intercept sensitive
information.
Workaround :
There is no known workaround at this time. | last seen | 2019-01-16 | modified | 2018-11-14 | plugin id | 36093 | published | 2009-04-07 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=36093 | title | GLSA-200904-05 : ntp: Certificate validation error |
NASL family | Solaris Local Security Checks | NASL id | SOLARIS10_X86_139501-02.NASL | description | SunOS 5.10_x86: openssl patch.
Date this patch was last updated by Sun : Feb/24/09 | last seen | 2019-01-19 | modified | 2019-01-18 | plugin id | 108014 | published | 2018-03-12 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=108014 | title | Solaris 10 (x86) : 139501-02 |
NASL family | Slackware Local Security Checks | NASL id | SLACKWARE_SSA_2009-014-03.NASL | description | New ntp packages are available for Slackware 8.1, 9.0, 9.1, 10.0,
10.1, 10.2, 11.0, 12.0, 12.1, 12.2, and -current to a fix security
issue. | last seen | 2019-01-16 | modified | 2018-12-18 | plugin id | 35377 | published | 2009-01-15 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=35377 | title | Slackware 10.0 / 10.1 / 10.2 / 11.0 / 12.0 / 12.1 / 12.2 / 8.1 / 9.0 / 9.1 / current : ntp (SSA:2009-014-03) |
NASL family | Mandriva Local Security Checks | NASL id | MANDRIVA_MDVSA-2009-007.NASL | description | A flaw was found in how NTP checked the return value of signature
verification. A remote attacker could use this to bypass certificate
validation by using a malformed SSL/TLS signature (CVE-2009-0021).
The updated packages have been patched to prevent this issue. | last seen | 2019-01-16 | modified | 2018-07-19 | plugin id | 36723 | published | 2009-04-23 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=36723 | title | Mandriva Linux Security Advisory : ntp (MDVSA-2009:007) |
NASL family | SuSE Local Security Checks | NASL id | SUSE9_12338.NASL | description | This update of ntp improves a check for the return value of openssl's
function EVP_VerifyFinal(). (CVE-2009-0021) Additionally a fix
(non-security) for starting ntpd with the option -x was added. | last seen | 2019-01-16 | modified | 2012-04-23 | plugin id | 41269 | published | 2009-09-24 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=41269 | title | SuSE9 Security Update : xntp, xntp-doc (YOU Patch Number 12338) |
NASL family | SuSE Local Security Checks | NASL id | SUSE_11_0_NTP-090119.NASL | description | This update of ntp improves a check for the return value of openssl's
function EVP_VerifyFinal(). (CVE-2009-0021) | last seen | 2019-01-16 | modified | 2014-06-13 | plugin id | 40082 | published | 2009-07-21 | reporter | Tenable | source | https://www.tenable.com/plugins/index.php?view=single&id=40082 | title | openSUSE Security Update : ntp (ntp-439) |
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