From Red Hat Security Advisory 2011:1820 :

Updated pidgin packages that fix multiple security issues are now available for Red Hat Enterprise Linux 4 and 5.

The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

Pidgin is an instant messaging program which can log in to multiple accounts on multiple instant messaging networks simultaneously.

An input sanitization flaw was found in the way the AOL Open System for Communication in Realtime (OSCAR) protocol plug-in in Pidgin, used by the AOL ICQ and AIM instant messaging systems, escaped certain UTF-8 characters. A remote attacker could use this flaw to crash Pidgin via a specially crafted OSCAR message. (CVE-2011-4601)

An input sanitization flaw was found in the way the Pidgin SILC (Secure Internet Live Conferencing) protocol plug-in escaped certain UTF-8 characters in channel messages. A remote attacker could use this flaw to crash Pidgin via a specially crafted SILC message.
(CVE-2011-4603)

Multiple NULL pointer dereference flaws were found in the Jingle extension of the Extensible Messaging and Presence Protocol (XMPP) protocol plug-in in Pidgin. A remote attacker could use these flaws to crash Pidgin via a specially crafted Jingle multimedia message.
(CVE-2011-4602)

Red Hat would like to thank the Pidgin project for reporting these issues. Upstream acknowledges Evgeny Boger as the original reporter of CVE-2011-4601; Diego Bauche Madero from IOActive as the original reporter of CVE-2011-4603; and Thijs Alkemade as the original reporter of CVE-2011-4602.

All Pidgin users should upgrade to these updated packages, which contain backported patches to resolve these issues. Pidgin must be restarted for this update to take effect.

The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2011-1821 advisory.

    - Add patch for CVE-2011-4602 (RH bug #766452).

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2011:1821 advisory.

  - pidgin (libpurple): Invalid UTF-8 string handling in OSCAR messages (CVE-2011-4601)

  - pidgin: Multiple NULL pointer deference flaws by processing certain Jingle stanzas in the XMPP protocol     plug-in (CVE-2011-4602)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

New release 2.10.1

Full Upstream ChangeLog :

http://developer.pidgin.im/wiki/ChangeLog

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.

Remote users could crash pidgin via ICQ, SILC, XMPP and Yahoo protocols (CVE-2011-4601, CVE-2011-4603, CVE-2011-4602, CVE-2011-1091).

Pidgin is an instant messaging program which can log in to multiple accounts on multiple instant messaging networks simultaneously.

An input sanitization flaw was found in the way the AOL Open System for Communication in Realtime (OSCAR) protocol plug-in in Pidgin, used by the AOL ICQ and AIM instant messaging systems, escaped certain UTF-8 characters. A remote attacker could use this flaw to crash Pidgin via a specially crafted OSCAR message. (CVE-2011-4601)

Multiple NULL pointer dereference flaws were found in the Jingle extension of the Extensible Messaging and Presence Protocol (XMPP) protocol plug-in in Pidgin. A remote attacker could use these flaws to crash Pidgin via a specially crafted Jingle multimedia message.
(CVE-2011-4602)

All Pidgin users should upgrade to these updated packages, which contain backported patches to resolve these issues. Pidgin must be restarted for this update to take effect.

Updated pidgin packages that fix multiple security issues are now available for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

Pidgin is an instant messaging program which can log in to multiple accounts on multiple instant messaging networks simultaneously.

An input sanitization flaw was found in the way the AOL Open System for Communication in Realtime (OSCAR) protocol plug-in in Pidgin, used by the AOL ICQ and AIM instant messaging systems, escaped certain UTF-8 characters. A remote attacker could use this flaw to crash Pidgin via a specially crafted OSCAR message. (CVE-2011-4601)

Multiple NULL pointer dereference flaws were found in the Jingle extension of the Extensible Messaging and Presence Protocol (XMPP) protocol plug-in in Pidgin. A remote attacker could use these flaws to crash Pidgin via a specially crafted Jingle multimedia message.
(CVE-2011-4602)

Red Hat would like to thank the Pidgin project for reporting these issues. Upstream acknowledges Evgeny Boger as the original reporter of CVE-2011-4601, and Thijs Alkemade as the original reporter of CVE-2011-4602.

All Pidgin users should upgrade to these updated packages, which contain backported patches to resolve these issues. Pidgin must be restarted for this update to take effect.

The version of Pidgin installed on the remote host is earlier than 2.10.1 and is potentially affected by the following issues :

  - A failure to validate input during the processing of     UTF-8 SILC protocol messages can cause the application     to crash. (CVE-2011-3594, CVE-2011-4603)

  - A failure to validate input during the processing of     UTF-8 Oscar protocol buddy authorization request and     response messages can cause the application to crash.
    (CVE-2011-4601)

  - An error exists in the validation of voice and chat     messages in the XMPP protocol that can cause the     application to crash. (CVE-2011-4602)

Updated pidgin packages that fix multiple security issues are now available for Red Hat Enterprise Linux 4 and 5.

The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

Pidgin is an instant messaging program which can log in to multiple accounts on multiple instant messaging networks simultaneously.

An input sanitization flaw was found in the way the AOL Open System for Communication in Realtime (OSCAR) protocol plug-in in Pidgin, used by the AOL ICQ and AIM instant messaging systems, escaped certain UTF-8 characters. A remote attacker could use this flaw to crash Pidgin via a specially crafted OSCAR message. (CVE-2011-4601)

An input sanitization flaw was found in the way the Pidgin SILC (Secure Internet Live Conferencing) protocol plug-in escaped certain UTF-8 characters in channel messages. A remote attacker could use this flaw to crash Pidgin via a specially crafted SILC message.
(CVE-2011-4603)

Multiple NULL pointer dereference flaws were found in the Jingle extension of the Extensible Messaging and Presence Protocol (XMPP) protocol plug-in in Pidgin. A remote attacker could use these flaws to crash Pidgin via a specially crafted Jingle multimedia message.
(CVE-2011-4602)

Red Hat would like to thank the Pidgin project for reporting these issues. Upstream acknowledges Evgeny Boger as the original reporter of CVE-2011-4601; Diego Bauche Madero from IOActive as the original reporter of CVE-2011-4603; and Thijs Alkemade as the original reporter of CVE-2011-4602.

All Pidgin users should upgrade to these updated packages, which contain backported patches to resolve these issues. Pidgin must be restarted for this update to take effect.

The remote Redhat Enterprise Linux 4 / 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2011:1820 advisory.

  - pidgin (libpurple): Invalid UTF-8 string handling in OSCAR messages (CVE-2011-4601)

  - pidgin: Multiple NULL pointer deference flaws by processing certain Jingle stanzas in the XMPP protocol     plug-in (CVE-2011-4602)

  - pidgin: SILC remote crash on channel messages (CVE-2011-4603)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Remote users could have crashed pidgin via ICQ, SILC, XMPP and Yahoo protocols (CVE-2011-4601 / CVE-2011-4603 / CVE-2011-4602 / CVE-2011-1091). This has been fixed.

Pidgin is an instant messaging program which can log in to multiple accounts on multiple instant messaging networks simultaneously.

An input sanitization flaw was found in the way the AOL Open System for Communication in Realtime (OSCAR) protocol plug-in in Pidgin, used by the AOL ICQ and AIM instant messaging systems, escaped certain UTF-8 characters. A remote attacker could use this flaw to crash Pidgin via a specially crafted OSCAR message. (CVE-2011-4601)

An input sanitization flaw was found in the way the Pidgin SILC (Secure Internet Live Conferencing) protocol plug-in escaped certain UTF-8 characters in channel messages. A remote attacker could use this flaw to crash Pidgin via a specially crafted SILC message.
(CVE-2011-4603)

Multiple NULL pointer dereference flaws were found in the Jingle extension of the Extensible Messaging and Presence Protocol (XMPP) protocol plug-in in Pidgin. A remote attacker could use these flaws to crash Pidgin via a specially crafted Jingle multimedia message.
(CVE-2011-4602)

All Pidgin users should upgrade to these updated packages, which contain backported patches to resolve these issues. Pidgin must be restarted for this update to take effect.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
68408	Oracle Linux 4 : pidgin (ELSA-2011-1820)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2021/1/14	medium
68409	Oracle Linux 6 : pidgin (ELSA-2011-1821)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2024/10/22	high
57312	RHEL 6 : pidgin (RHSA-2011:1821)	Nessus	Red Hat Local Security Checks	2011/12/15	2024/4/27	high
57444	Fedora 16 : pidgin-2.10.1-1.fc16 (2011-17558)	Nessus	Fedora Local Security Checks	2012/1/6	2021/1/11	medium
75490	openSUSE Security Update : finch (openSUSE-SU-2012:0066-1)	Nessus	SuSE Local Security Checks	2014/6/13	2021/1/14	medium
61209	Scientific Linux Security Update : pidgin on SL6.x i386/x86_64	Nessus	Scientific Linux Local Security Checks	2012/8/1	2021/1/14	medium
57381	CentOS 6 : pidgin (CESA-2011:1821)	Nessus	CentOS Local Security Checks	2011/12/23	2021/1/4	medium
57450	Fedora 15 : pidgin-2.10.1-1.fc15 (2011-17546)	Nessus	Fedora Local Security Checks	2012/1/9	2021/1/11	medium
57318	Pidgin < 2.10.1 Multiple Vulnerabilities	Nessus	Windows	2011/12/15	2018/7/24	medium
57307	CentOS 4 / 5 : pidgin (CESA-2011:1820)	Nessus	CentOS Local Security Checks	2011/12/15	2021/1/4	medium
57311	RHEL 4 / 5 : pidgin (RHSA-2011:1820)	Nessus	Red Hat Local Security Checks	2011/12/15	2024/4/27	high
57465	SuSE 11.1 Security Update : pidgin (SAT Patch Number 5586)	Nessus	SuSE Local Security Checks	2012/1/10	2021/1/19	medium
61208	Scientific Linux Security Update : pidgin on SL4.x, SL5.x i386/x86_64	Nessus	Scientific Linux Local Security Checks	2012/8/1	2021/1/14	medium
75830	openSUSE Security Update : finch (openSUSE-SU-2012:0066-1)	Nessus	SuSE Local Security Checks	2014/6/13	2021/1/14	medium

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