cve/2013/CVE-2013-0238.md

CVE-2013-0238

Description

The try_parse_v4_netmask function in hostmask.c in IRCD-Hybrid before 8.0.6 does not properly validate masks, which allows remote attackers to cause a denial of service (crash) via a mask that causes a negative number to be parsed.

POC

Reference

• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699267
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699267
• http://www.openwall.com/lists/oss-security/2013/01/29/8
• http://www.openwall.com/lists/oss-security/2013/01/29/8

Github

No PoCs found on GitHub currently.