CVE-2008-2936

high

Description

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.

References

https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00287.html

https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00271.html

https://www.exploit-db.com/exploits/6337

https://usn.ubuntu.com/636-1/

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10033

https://issues.rpath.com/browse/RPL-2689

https://exchange.xforce.ibmcloud.com/vulnerabilities/44460

http://www.vupen.com/english/advisories/2008/2385

http://www.securitytracker.com/id?1020700

http://www.securityfocus.com/bid/30691

http://www.securityfocus.com/archive/1/495882/100/0/threaded

http://www.securityfocus.com/archive/1/495632/100/0/threaded

http://www.securityfocus.com/archive/1/495474/100/0/threaded

http://www.redhat.com/support/errata/RHSA-2008-0839.html

http://www.mandriva.com/security/advisories?name=MDVSA-2008:171

http://www.kb.cert.org/vuls/id/938323

http://www.debian.org/security/2008/dsa-1629

http://wiki.rpath.com/Advisories:rPSA-2008-0259

http://securityreason.com/securityalert/4160

http://security.gentoo.org/glsa/glsa-200808-12.xml

http://secunia.com/advisories/32231

http://secunia.com/advisories/31530

http://secunia.com/advisories/31500

http://secunia.com/advisories/31485

http://secunia.com/advisories/31477

http://secunia.com/advisories/31474

http://secunia.com/advisories/31469

http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00002.html

http://article.gmane.org/gmane.mail.postfix.announce/110

Details

Source: Mitre, NVD

Published: 2008-08-18

Risk Information

CVSS v2

Base Score: 6.2

Vector: CVSS2#AV:L/AC:H/Au:N/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High