An updated squirrelmail package that fixes several security issues is 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.

SquirrelMail is a standards-based webmail package written in PHP.

A cross-site scripting (XSS) flaw was found in the way SquirrelMail performed the sanitization of HTML style tag content. A remote attacker could use this flaw to send a specially crafted Multipurpose Internet Mail Extensions (MIME) message that, when opened by a victim, would lead to arbitrary web script execution in the context of their SquirrelMail session. (CVE-2011-2023)

Multiple cross-site scripting (XSS) flaws were found in SquirrelMail.
A remote attacker could possibly use these flaws to execute arbitrary web script in the context of a victim's SquirrelMail session.
(CVE-2010-4555)

An input sanitization flaw was found in the way SquirrelMail handled the content of various HTML input fields. A remote attacker could use this flaw to alter user preference values via a newline character contained in the input for these fields. (CVE-2011-2752)

It was found that the SquirrelMail Empty Trash and Index Order pages did not protect against Cross-Site Request Forgery (CSRF) attacks. If a remote attacker could trick a user, who was logged into SquirrelMail, into visiting a specially crafted URL, the attacker could empty the victim's trash folder or alter the ordering of the columns on the message index page. (CVE-2011-2753)

SquirrelMail was allowed to be loaded into an HTML sub-frame, allowing a remote attacker to perform a clickjacking attack against logged in users and possibly gain access to sensitive user data. With this update, the SquirrelMail main frame can only be loaded into the top most browser frame. (CVE-2010-4554)

A flaw was found in the way SquirrelMail handled failed log in attempts. A user preference file was created when attempting to log in with a password containing an 8-bit character, even if the username was not valid. A remote attacker could use this flaw to eventually consume all hard disk space on the target SquirrelMail server.
(CVE-2010-2813)

A flaw was found in the SquirrelMail Mail Fetch plug-in. If an administrator enabled this plug-in, a SquirrelMail user could use this flaw to port scan the local network the server was on. (CVE-2010-1637)

Users of SquirrelMail should upgrade to this updated package, which contains backported patches to correct these issues.

- Tue Jun 22 2010 Michal Hlavinka <mhlavink at redhat.com>
    - 1.4.20-3

    - fix CVE-2010-1637 : mail fetch plugin's port-scans via       non-standard POP3 server ports

  - Mon Jun 7 2010 Michal Hlavinka <mhlavink at redhat.com>
    - 1.4.20-2

    - add note to config file that https connections are       forced by default

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.

The remote host is running a version of Mac OS X 10.6 that does not have Security Update 2012-001 applied. This update contains multiple security-related fixes for the following components :

  - Apache
  - ATS
  - ColorSync
  - CoreAudio
  - CoreMedia
  - CoreText
  - curl
  - Data Security
  - dovecot
  - filecmds
  - libresolv
  - libsecurity
  - OpenGL
  - PHP
  - QuickTime
  - SquirrelMail
  - Subversion
  - Tomcat
  - X11

SquirrelMail is a standards-based webmail package written in PHP.

A cross-site scripting (XSS) flaw was found in the way SquirrelMail performed the sanitization of HTML style tag content. A remote attacker could use this flaw to send a specially crafted Multipurpose Internet Mail Extensions (MIME) message that, when opened by a victim, would lead to arbitrary web script execution in the context of their SquirrelMail session. (CVE-2011-2023)

Multiple cross-site scripting (XSS) flaws were found in SquirrelMail.
A remote attacker could possibly use these flaws to execute arbitrary web script in the context of a victim's SquirrelMail session.
(CVE-2010-4555)

An input sanitization flaw was found in the way SquirrelMail handled the content of various HTML input fields. A remote attacker could use this flaw to alter user preference values via a newline character contained in the input for these fields. (CVE-2011-2752)

It was found that the SquirrelMail Empty Trash and Index Order pages did not protect against Cross-Site Request Forgery (CSRF) attacks. If a remote attacker could trick a user, who was logged into SquirrelMail, into visiting a specially crafted URL, the attacker could empty the victim's trash folder or alter the ordering of the columns on the message index page. (CVE-2011-2753)

SquirrelMail was allowed to be loaded into an HTML sub-frame, allowing a remote attacker to perform a clickjacking attack against logged in users and possibly gain access to sensitive user data. With this update, the SquirrelMail main frame can only be loaded into the top most browser frame. (CVE-2010-4554)

A flaw was found in the way SquirrelMail handled failed log in attempts. A user preference file was created when attempting to log in with a password containing an 8-bit character, even if the username was not valid. A remote attacker could use this flaw to eventually consume all hard disk space on the target SquirrelMail server.
(CVE-2010-2813)

A flaw was found in the SquirrelMail Mail Fetch plug-in. If an administrator enabled this plug-in, a SquirrelMail user could use this flaw to port scan the local network the server was on. (CVE-2010-1637)

Users of SquirrelMail should upgrade to this updated package, which contains backported patches to correct these issues.

- Tue Jun 22 2010 Michal Hlavinka <mhlavink at redhat.com>
    - 1.4.20-2

    - fix CVE-2010-1637 : mail fetch plugin's port-scans via       non-standard POP3 server ports

  - Mon Mar 8 2010 Michal Hlavinka <mhlavink at redhat.com>
    - 1.4.20-1

    - updated to 1.4.20

    - translations updated

    - Thu Sep 17 2009 Michal Hlavinka <mhlavink at       redhat.com> - 1.4.20-0.rc2.20100104

    - updated to 1.4.20RC2 20100104 snapshot

    - fix multi-word searching (#551626)

    - Thu Sep 17 2009 Michal Hlavinka <mhlavink at       redhat.com> - 1.4.20-0.rc2.20090917

    - updated to 1.4.20RC2 20090917 snapshot

    - fix searching in emails (#523016)

    - Wed Aug 19 2009 Michal Hlavinka <mhlavink at       redhat.com> - 1.4.20RC2-1

    - updated to 1.4.20RC2

    - Thu Aug 13 2009 Michal Hlavinka <mhlavink at       redhat.com> - 1.4.20RC1-1

    - updated to 1.4.20RC1

    - fixes #517312 - CSRF issues in all forms (SA34627)

    - Sun Jul 26 2009 Fedora Release Engineering <rel-eng at       lists.fedoraproject.org> - 1.4.19-4

    - Rebuilt for       https://fedoraproject.org/wiki/Fedora_12_Mass_Rebuild

    - Wed Jul 1 2009 Michal Hlavinka <mhlavink at       redhat.com> - 1.4.19-3

    - change default configuration to use only ssl       connections

    - Tue Jun 30 2009 Michal Hlavinka <mhlavink at       redhat.com> - 1.4.19-2

    - use hunspell instead of ispell in squirrelspell plugin       (#508631)

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.

The remote Redhat Enterprise Linux 3 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - SquirrelMail: Mail Fetch plugin -- port-scans via non-standard POP3 server ports (CVE-2010-1637)

  - functions/imap_general.php in SquirrelMail before 1.4.21 does not properly handle 8-bit characters in     passwords, which allows remote attackers to cause a denial of service (disk consumption) by making many     IMAP login attempts with different usernames, leading to the creation of many preferences files.
    (CVE-2010-2813)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

The remote Oracle Linux 5 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2012-0103 advisory.

    - patch for CVE-2010-2813 was not complete
    - fix: CVE-2010-1637 : Port-scans via non-standard POP3 server ports in       Mail Fetch plugin
    - fix: CVE-2010-2813 : DoS (disk space consumption) by random IMAP login       attempts with 8-bit characters in the password
    - fix: CVE-2010-4554 : Prone to clickjacking attacks
    - fix: CVE-2010-4555 : Multiple XSS flaws
    - fix: CVE-2011-2752 : CRLF injection vulnerability

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.

- Tue Jun 22 2010 Michal Hlavinka <mhlavink at redhat.com>
    - 1.4.20-3

    - fix CVE-2010-1637 : mail fetch plugin's port-scans via       non-standard POP3 server ports

  - Mon Jun 7 2010 Michal Hlavinka <mhlavink at redhat.com>
    - 1.4.20-2

    - add note to config file that https connections are       forced by default

    - Mon Mar 8 2010 Michal Hlavinka <mhlavink at       redhat.com> - 1.4.20-1

    - updated to 1.4.20

    - translations updated

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.

ID	Name	Product	Family	Published	Updated	Severity
57864	CentOS 4 / 5 : squirrelmail (CESA-2012:0103)	Nessus	CentOS Local Security Checks	2/9/2012	1/4/2021	medium
47217	Fedora 13 : squirrelmail-1.4.20-3.fc13 (2010-10259)	Nessus	Fedora Local Security Checks	7/1/2010	1/11/2021	medium
57870	RHEL 4 / 5 : squirrelmail (RHSA-2012:0103)	Nessus	Red Hat Local Security Checks	2/9/2012	1/14/2021	medium
57798	Mac OS X Multiple Vulnerabilities (Security Update 2012-001) (BEAST)	Nessus	MacOS X Local Security Checks	2/2/2012	5/28/2024	critical
61240	Scientific Linux Security Update : squirrelmail on SL4.x, SL5.x (20120208)	Nessus	Scientific Linux Local Security Checks	8/1/2012	1/14/2021	medium
47218	Fedora 11 : squirrelmail-1.4.20-2.fc11 (2010-10264)	Nessus	Fedora Local Security Checks	7/1/2010	1/11/2021	medium
199606	RHEL 3 : squirrelmail (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	6/3/2024	6/3/2024	medium
68452	Oracle Linux 5 : squirrelmail (ELSA-2012-0103)	Nessus	Oracle Linux Local Security Checks	7/12/2013	10/22/2024	medium
47216	Fedora 12 : squirrelmail-1.4.20-3.fc12 (2010-10244)	Nessus	Fedora Local Security Checks	7/1/2010	1/11/2021	medium

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