UpHeron
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Servers and applications

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.

Severity
Medium 6.2
Published
18 Aug 2008
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1% in the next 30 daysHigher than 64% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-264
Attack
Needs local access · Only under certain conditions · No login needed
Attacker can
Read data · Change data · Take it down
CVSS vector
AV:L/AC:H/Au:N/C:C/I:C/A:C
Sources
NVD

Affected software

SoftwareAffected versions
PostfixServers and applications · cpe:a:postfix:postfix
  • Version 2.6.0
  • Version 2.5.3
  • Version 2.5.2
  • Version 2.5.1
All 28 release lines
  • Version 2.3.0
  • Version 2.3.1
  • Version 2.3.2
  • Version 2.3.3
  • Version 2.3.4
  • Version 2.3.5
  • Version 2.3.6
  • Version 2.3.7
  • Version 2.3.8
  • Version 2.3.9
  • Version 2.3.10
  • Version 2.3.11
  • Version 2.3.12
  • Version 2.3.13
  • Version 2.3.14
  • Version 2.4.0
  • Version 2.4.1
  • Version 2.4.2
  • Version 2.4.3
  • Version 2.4.4
  • Version 2.4.5
  • Version 2.4.6
  • Version 2.4.7
  • Version 2.5.0
  • Version 2.5.1
  • Version 2.5.2
  • Version 2.5.3
  • Version 2.6.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2008-2936
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2008-2936