Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2009-0759

6.5 · MEDIUM

Multiple CRLF injection vulnerabilities in webadmin in ZNC before 0.066 allow remote authenticated users to modify the znc.conf configuration file and gain privileges via CRLF sequences in the quit…

Published Mar 3, 2009zncCWE-94EPSS 2.10%

Overview

CVE-2009-0759 is a medium-severity vulnerability affecting znc znc. It was published on March 3, 2009 and has a CVSS 2.0 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Multiple CRLF injection vulnerabilities in webadmin in ZNC before 0.066 allow remote authenticated users to modify the znc.conf configuration file and gain privileges via CRLF sequences in the quit message and other vectors.

Remediation

Check the references section for vendor advisories and patches from znc. Update znc 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
zncznc0Affected

References

Refosvdb.org/52295Refsecunia.com/advisories/34230Refwww.debian.org/security/2009/dsa-1735Refwww.openwall.com/lists/oss-security/2009/03/01/2Refznc.svn.sourceforge.net/viewvc/znc/trunk/modules/webadmin.cpp?view=log&sortby=rev&sortdir=down&pathrev=1395Refznc.svn.sourceforge.net/viewvc/znc?view=rev&sortby=rev&sortdir=down&revision=1395Refznc.svn.sourceforge.net/viewvc/znc?view=rev&sortby=rev&sortdir=down&revision=1396Refosvdb.org/52295Refsecunia.com/advisories/34230Refwww.debian.org/security/2009/dsa-1735

How CyberStrike helps

Frequently asked questions

What is CVE-2009-0759?

CVE-2009-0759 is a medium-severity vulnerability affecting znc znc. It was published on March 3, 2009 and has a CVSS 2.0 base score of 6.5 (MEDIUM).

How severe is CVE-2009-0759?

This vulnerability has a CVSS 2.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2009-0759?

Check the references section for vendor advisories and patches from znc. Update znc 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-2009-0759?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-0759 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 2009

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999