CVE-2008-2936 EXPLOIT
6.2
MEDIUM · CVSS 2.0 · EPSS 1% (pctl 62)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 6.2 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:L/AC:H/Au:N/C:C/I:C/A:C |
| EPSS | 0.99% — more likely to be exploited than 62% of all CVEs |
| Weakness | CWE-264 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2008-08-18 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| postfix | postfix |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Postfix 2.6-20080814 - 'symlink' Local Privilege Escalation | 2008-08-31 |
References
- ftp://ftp.porcupine.org/mirrors/postfix-release/experimental/postfix-2.6-20080814.HISTORY
- ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-2.3.15.HISTORY
- ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-2.4.8.HISTORY
- ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-2.5.4.HISTORY
- http://article.gmane.org/gmane.mail.postfix.announce/110
- http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00002.html
- http://secunia.com/advisories/31469
- http://secunia.com/advisories/31474
- http://secunia.com/advisories/31477
- http://secunia.com/advisories/31485
- http://secunia.com/advisories/31500
- http://secunia.com/advisories/31530
- http://secunia.com/advisories/32231
- http://security.gentoo.org/glsa/glsa-200808-12.xml
- http://securityreason.com/securityalert/4160
- http://wiki.rpath.com/Advisories:rPSA-2008-0259
- http://www.debian.org/security/2008/dsa-1629
- http://www.kb.cert.org/vuls/id/938323
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:171
- http://www.redhat.com/support/errata/RHSA-2008-0839.html
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