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Vulnerability record · CVE-2009-1381 · published 22 May 2009

CVE-2009-1381: Squirrelmail imap general.php vulnerability

Squirrelmail · Imap General.Php

The map_yp_alias function in functions/imap_general.php in SquirrelMail before 1.4.19-1 on Debian GNU/Linux, and possibly other operating systems and versions, allows remote attackers to execute arbitrary commands via shell metacharacters in a username string that is used by the ypmatch program. NOTE: this issue exists because of an incomplete fix for CVE-2009-1579.

6.8 CVSS 2.0 Medium EPSS 2.9% · top 13.3%
6.8CVSS 2.0 base score
2.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
14References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

The map_yp_alias function in functions/imap_general.php in SquirrelMail before 1.4.19-1 on Debian GNU/Linux, and possibly other operating systems and versions, allows remote attackers to execute arbitrary commands via shell metacharacters in a username string that is used by the ypmatch program. NOTE: this issue exists because of an incomplete fix for CVE-2009-1579.

AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://release.debian.org/proposed-updates/stable_diffs/squirrelmail_1.4.15-4+lenny2.debdiff ExploitVendor Advisory
http://secunia.com/advisories/35140 Vendor Advisory
http://www.debian.org/security/2009/dsa-1802 Vendor Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2009:122
http://www.securityfocus.com/archive/1/503718/100/0/threaded
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01195.html
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01202.html
http://release.debian.org/proposed-updates/stable_diffs/squirrelmail_1.4.15-4+lenny2.debdiff ExploitVendor Advisory
http://secunia.com/advisories/35140 Vendor Advisory
http://www.debian.org/security/2009/dsa-1802 Vendor Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2009:122
http://www.securityfocus.com/archive/1/503718/100/0/threaded
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01195.html
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01202.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2004-0521Sgi propack vulnerabilitySQL injection vulnerability in SquirrelMail before 1.4.3 RC1 allows remote attackers to execute unauthorized SQL statements, with unknown impact, pro…EPSS 3.2%10.0CVE-2002-0516Squirrelmail vulnerabilitySquirrelMail 1.2.5 and earlier allows authenticated SquirrelMail users to execute arbitrary commands by modifying the THEME variable in a cookie.EPSS 11%9.8CVE-2020-14932Squirrelmail deserialization of untrusted data vulnerabilitycompose.php in SquirrelMail 1.4.22 calls unserialize for the $mailtodata value, which originates from an HTTP GET request. This is related to mailto.…EPSS 1.4%8.8CVE-2020-14933Squirrelmail deserialization of untrusted data vulnerabilitycompose.php in SquirrelMail 1.4.22 calls unserialize for the $attachments value, which originates from an HTTP POST request. NOTE: the vendor dispute…EPSS 1.4%8.8CVE-2018-8741Squirrelmail path traversal vulnerabilityA directory traversal flaw in SquirrelMail 1.4.22 allows an authenticated attacker to exfiltrate (or potentially delete) files from the hosting serve…EPSS 4.2%8.8CVE-2017-7692Squirrelmail improper input validation vulnerabilitySquirrelMail 1.4.22 (and other versions before 20170427_0200-SVN) allows post-authentication remote code execution via a sendmail.cf file that is mis…EPSS 32%7.5CVE-2007-3636Squirrelmail gpg plugin vulnerabilityMultiple unspecified vulnerabilities in the G/PGP (GPG) Plugin 2.1 for Squirrelmail allow remote attackers to execute arbitrary commands via unspecif…EPSS 3.1%7.5CVE-2007-2631Squirrelmail vulnerabilityCross-site request forgery (CSRF) vulnerability in SquirrelMail 1.4.8-4.fc6 and earlier allows remote attackers to perform unspecified actions as arb…EPSS 1.4%

Source: NIST National Vulnerability Database (record CVE-2009-1381), CISA KEV, FIRST EPSS (scores of 2026-10-06). This page is refreshed as NVD updates the record.