CVE-2008-2936

Public Exploit

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.

Category

6.2
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.23%
Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory mandriva.com Vendor Advisory gentoo.org Vendor Advisory secunia.com Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00271.html vendor advisory
ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-2.3.15.HISTORY
http://secunia.com/advisories/32231 third party advisory
http://secunia.com/advisories/31469 third party advisory
ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-2.5.4.HISTORY
http://www.debian.org/security/2008/dsa-1629 vendor advisory
http://secunia.com/advisories/31530 third party advisory
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00287.html vendor advisory
https://issues.rpath.com/browse/RPL-2689
http://www.securitytracker.com/id?1020700 vdb entry
http://www.securityfocus.com/archive/1/495632/100/0/threaded mailing list
http://www.kb.cert.org/vuls/id/938323 third party advisory us government resource
http://article.gmane.org/gmane.mail.postfix.announce/110 mailing list
http://securityreason.com/securityalert/4160 third party advisory
http://www.securityfocus.com/bid/30691 vdb entry patch
http://wiki.rpath.com/Advisories:rPSA-2008-0259
http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00002.html vendor advisory
http://secunia.com/advisories/31474 third party advisory
http://www.securityfocus.com/archive/1/495882/100/0/threaded mailing list
https://exchange.xforce.ibmcloud.com/vulnerabilities/44460 vdb entry
ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-2.4.8.HISTORY
https://www.exploit-db.com/exploits/6337 exploit
http://www.redhat.com/support/errata/RHSA-2008-0839.html vendor advisory
ftp://ftp.porcupine.org/mirrors/postfix-release/experimental/postfix-2.6-20080814.HISTORY
http://secunia.com/advisories/31500 third party advisory vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10033 vdb entry signature
http://secunia.com/advisories/31477 third party advisory
http://secunia.com/advisories/31485 third party advisory vendor advisory
https://usn.ubuntu.com/636-1/ vendor advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2008:171 vendor advisory
http://www.securityfocus.com/archive/1/495474/100/0/threaded mailing list
http://www.vupen.com/english/advisories/2008/2385 vdb entry
http://security.gentoo.org/glsa/glsa-200808-12.xml vendor advisory

Frequently Asked Questions

What is the severity of CVE-2008-2936?
CVE-2008-2936 has been scored as a medium severity vulnerability.
How to fix CVE-2008-2936?
To fix CVE-2008-2936, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2008-2936 being actively exploited in the wild?
It is possible that CVE-2008-2936 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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