Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2008-4977

6.9 · MEDIUM

postfix_groups.pl in Postfix 2.5.2 allows local users to overwrite arbitrary files via a symlink attack on the (1) /tmp/postfix_groups.stdout, (2) /tmp/postfix_groups.stderr, and (3) /tmp/postfix_g…

Published Nov 6, 2008postfixCWE-59EPSS 0.37%

Overview

CVE-2008-4977 is a medium-severity vulnerability affecting postfix postfix. It was published on November 6, 2008 and has a CVSS 2.0 base score of 6.9 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.9, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

postfix_groups.pl in Postfix 2.5.2 allows local users to overwrite arbitrary files via a symlink attack on the (1) /tmp/postfix_groups.stdout, (2) /tmp/postfix_groups.stderr, and (3) /tmp/postfix_groups.message temporary files. NOTE: the vendor disputes this vulnerability, stating "This is not a real issue ... users would have to edit a script under /usr/lib to enable it.

Remediation

Check the references section for vendor advisories and patches from postfix. Update postfix to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refbugs.debian.org/496401Refdev.gentoo.org/~rbu/security/debiantemp/postfixRefwww.openwall.com/lists/oss-security/2008/10/30/2Refbugs.gentoo.org/show_bug.cgi?id=235770Refbugs.gentoo.org/show_bug.cgi?id=235811Refbugs.debian.org/496401Refdev.gentoo.org/~rbu/security/debiantemp/postfixRefwww.openwall.com/lists/oss-security/2008/10/30/2Refbugs.gentoo.org/show_bug.cgi?id=235770Refbugs.gentoo.org/show_bug.cgi?id=235811

How CyberStrike helps

Frequently asked questions

What is CVE-2008-4977?

CVE-2008-4977 is a medium-severity vulnerability affecting postfix postfix. It was published on November 6, 2008 and has a CVSS 2.0 base score of 6.9 (MEDIUM).

How severe is CVE-2008-4977?

This vulnerability has a CVSS 2.0 base score of 6.9, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2008-4977?

Check the references section for vendor advisories and patches from postfix. Update postfix to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2008-4977?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-4977 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related MEDIUM CVEs from 2008

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999