Vulnerability Monitor

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CVE-2008-2936

Postfix before 2.3.15, 2.4 before 2.4.8, 2.5 before 2.5.4, and 2.6 before 2.6-20080814, when the operating system supports hard links to symlinks, allows local users to append e-mail messages to a file to which a root-owned symlink points, by creating a hard link to this symlink and then sending a message. NOTE: this can be leveraged to gain privileges if there is a symlink to an init script.

Published

2008-08-18T19:41:00.000

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.2 (MEDIUM)

CVSSv2 Vector

AV:L/AC:H/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: HIGH
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

1.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-264

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	postfix	postfix	2.3.0	Yes
Application	postfix	postfix	2.3.1	Yes
Application	postfix	postfix	2.3.2	Yes
Application	postfix	postfix	2.3.3	Yes
Application	postfix	postfix	2.3.4	Yes
Application	postfix	postfix	2.3.5	Yes
Application	postfix	postfix	2.3.6	Yes
Application	postfix	postfix	2.3.7	Yes
Application	postfix	postfix	2.3.8	Yes
Application	postfix	postfix	2.3.9	Yes
Application	postfix	postfix	2.3.10	Yes
Application	postfix	postfix	2.3.11	Yes
Application	postfix	postfix	2.3.12	Yes
Application	postfix	postfix	2.3.13	Yes
Application	postfix	postfix	2.3.14	Yes
Application	postfix	postfix	2.4.0	Yes
Application	postfix	postfix	2.4.1	Yes
Application	postfix	postfix	2.4.2	Yes
Application	postfix	postfix	2.4.3	Yes
Application	postfix	postfix	2.4.4	Yes
Application	postfix	postfix	2.4.5	Yes
Application	postfix	postfix	2.4.6	Yes
Application	postfix	postfix	2.4.7	Yes
Application	postfix	postfix	2.5.0	Yes
Application	postfix	postfix	2.5.1	Yes
Application	postfix	postfix	2.5.2	Yes
Application	postfix	postfix	2.5.3	Yes
Application	postfix	postfix	2.6.0	Yes

References

ftp://ftp.porcupine.org/mirrors/postfix-release/experimental/postfix-2.6-20080814.HISTORY ([email protected])
ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-2.3.15.HISTORY ([email protected])
ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-2.4.8.HISTORY ([email protected])
ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-2.5.4.HISTORY ([email protected])
http://article.gmane.org/gmane.mail.postfix.announce/110 ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00002.html ([email protected])
http://secunia.com/advisories/31469 ([email protected])
http://secunia.com/advisories/31474 ([email protected])
http://secunia.com/advisories/31477 ([email protected])
http://secunia.com/advisories/31485 Vendor Advisory ([email protected])
http://secunia.com/advisories/31500 Vendor Advisory ([email protected])
http://secunia.com/advisories/31530 ([email protected])
http://secunia.com/advisories/32231 ([email protected])
http://security.gentoo.org/glsa/glsa-200808-12.xml ([email protected])
http://securityreason.com/securityalert/4160 ([email protected])
http://wiki.rpath.com/Advisories:rPSA-2008-0259 ([email protected])
http://www.debian.org/security/2008/dsa-1629 ([email protected])
http://www.kb.cert.org/vuls/id/938323 US Government Resource ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2008:171 ([email protected])
http://www.redhat.com/support/errata/RHSA-2008-0839.html ([email protected])
http://www.securityfocus.com/archive/1/495474/100/0/threaded ([email protected])
http://www.securityfocus.com/archive/1/495632/100/0/threaded ([email protected])
http://www.securityfocus.com/archive/1/495882/100/0/threaded ([email protected])
http://www.securityfocus.com/bid/30691 Patch ([email protected])
http://www.securitytracker.com/id?1020700 ([email protected])
http://www.vupen.com/english/advisories/2008/2385 ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/44460 ([email protected])
https://issues.rpath.com/browse/RPL-2689 ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10033 ([email protected])
https://usn.ubuntu.com/636-1/ ([email protected])
https://www.exploit-db.com/exploits/6337 ([email protected])
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00271.html ([email protected])
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00287.html ([email protected])
ftp://ftp.porcupine.org/mirrors/postfix-release/experimental/postfix-2.6-20080814.HISTORY (af854a3a-2127-422b-91ae-364da2661108)
ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-2.3.15.HISTORY (af854a3a-2127-422b-91ae-364da2661108)
ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-2.4.8.HISTORY (af854a3a-2127-422b-91ae-364da2661108)
ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-2.5.4.HISTORY (af854a3a-2127-422b-91ae-364da2661108)
http://article.gmane.org/gmane.mail.postfix.announce/110 (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00002.html (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/31469 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/31474 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/31477 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/31485 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/31500 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/31530 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/32231 (af854a3a-2127-422b-91ae-364da2661108)
http://security.gentoo.org/glsa/glsa-200808-12.xml (af854a3a-2127-422b-91ae-364da2661108)
http://securityreason.com/securityalert/4160 (af854a3a-2127-422b-91ae-364da2661108)
http://wiki.rpath.com/Advisories:rPSA-2008-0259 (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2008/dsa-1629 (af854a3a-2127-422b-91ae-364da2661108)
http://www.kb.cert.org/vuls/id/938323 US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2008:171 (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2008-0839.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/495474/100/0/threaded (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/495632/100/0/threaded (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/495882/100/0/threaded (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/30691 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1020700 (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2008/2385 (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/44460 (af854a3a-2127-422b-91ae-364da2661108)
https://issues.rpath.com/browse/RPL-2689 (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10033 (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/636-1/ (af854a3a-2127-422b-91ae-364da2661108)
https://www.exploit-db.com/exploits/6337 (af854a3a-2127-422b-91ae-364da2661108)
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00271.html (af854a3a-2127-422b-91ae-364da2661108)
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00287.html (af854a3a-2127-422b-91ae-364da2661108)