6.2
MEDIUM
CVE-2008-2936
Postfix symlink local privilege escalation
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.

INFO

Published Date :

Aug. 18, 2008, 7:41 p.m.

Last Modified :

Nov. 21, 2024, 12:48 a.m.

Remotely Exploitable :

No

Impact Score :

10.0

Exploitability Score :

1.9
Affected Products

The following products are affected by CVE-2008-2936 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Postfix postfix
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2008-2936.

URL Resource
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 Vendor Advisory
http://secunia.com/advisories/31500 Vendor Advisory
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 US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2008:171
http://www.redhat.com/support/errata/RHSA-2008-0839.html
http://www.securityfocus.com/archive/1/495474/100/0/threaded
http://www.securityfocus.com/archive/1/495632/100/0/threaded
http://www.securityfocus.com/archive/1/495882/100/0/threaded
http://www.securityfocus.com/bid/30691 Patch
http://www.securitytracker.com/id?1020700
http://www.vupen.com/english/advisories/2008/2385
https://exchange.xforce.ibmcloud.com/vulnerabilities/44460
https://issues.rpath.com/browse/RPL-2689
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10033
https://usn.ubuntu.com/636-1/
https://www.exploit-db.com/exploits/6337
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00271.html
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00287.html
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 Vendor Advisory
http://secunia.com/advisories/31500 Vendor Advisory
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 US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2008:171
http://www.redhat.com/support/errata/RHSA-2008-0839.html
http://www.securityfocus.com/archive/1/495474/100/0/threaded
http://www.securityfocus.com/archive/1/495632/100/0/threaded
http://www.securityfocus.com/archive/1/495882/100/0/threaded
http://www.securityfocus.com/bid/30691 Patch
http://www.securitytracker.com/id?1020700
http://www.vupen.com/english/advisories/2008/2385
https://exchange.xforce.ibmcloud.com/vulnerabilities/44460
https://issues.rpath.com/browse/RPL-2689
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10033
https://usn.ubuntu.com/636-1/
https://www.exploit-db.com/exploits/6337
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00271.html
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00287.html

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2008-2936 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2008-2936 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed 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. 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.
  • CVE Modified by [email protected]

    Feb. 13, 2023

    Action Type Old Value New Value
    Changed 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. 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.
  • CVE Modified by [email protected]

    Oct. 11, 2018

    Action Type Old Value New Value
    Removed Reference http://www.securityfocus.com/archive/1/archive/1/495882/100/0/threaded [No Types Assigned]
    Removed Reference http://www.securityfocus.com/archive/1/archive/1/495632/100/0/threaded [No Types Assigned]
    Removed Reference http://www.securityfocus.com/archive/1/archive/1/495474/100/0/threaded [No Types Assigned]
    Added Reference http://www.securityfocus.com/archive/1/495882/100/0/threaded [No Types Assigned]
    Added Reference http://www.securityfocus.com/archive/1/495632/100/0/threaded [No Types Assigned]
    Added Reference http://www.securityfocus.com/archive/1/495474/100/0/threaded [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 03, 2018

    Action Type Old Value New Value
    Removed Reference http://www.ubuntulinux.org/support/documentation/usn/usn-636-1 [No Types Assigned]
    Added Reference https://usn.ubuntu.com/636-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 29, 2017

    Action Type Old Value New Value
    Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10033 [No Types Assigned]
    Removed Reference http://www.milw0rm.com/exploits/6337 [No Types Assigned]
    Added Reference https://www.exploit-db.com/exploits/6337 [No Types Assigned]
    Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10033 [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 08, 2017

    Action Type Old Value New Value
    Removed Reference http://xforce.iss.net/xforce/xfdb/44460 [No Types Assigned]
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/44460 [No Types Assigned]
  • Initial Analysis by [email protected]

    Aug. 19, 2008

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2008-2936 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2008-2936 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.05 }} -0.01%

score

0.14552

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability