CVE-2009-2939

Public Exploit

Description

The postfix.postinst script in the Debian GNU/Linux and Ubuntu postfix 2.5.5 package grants the postfix user write access to /var/spool/postfix/pid, which might allow local users to conduct symlink attacks that overwrite arbitrary files.

Category

6.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.02%
Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2009/09/18/6 exploit mailing list
http://www.debian.org/security/2011/dsa-2233 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2009-2939?
CVE-2009-2939 has been scored as a medium severity vulnerability.
How to fix CVE-2009-2939?
To fix CVE-2009-2939, 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-2009-2939 being actively exploited in the wild?
It is possible that CVE-2009-2939 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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