ngIRCd Lists_MakeMask buffer overflow
| ngircd-listmakemask-bo (19143) |  High Risk |
Description:
ngIRCd is an open-source daemon for Internet Relay Chat (IRC) running on Unix and Microsoft Windows. ngIRCd versions prior to 0.8.2 are vulnerable to a buffer overflow in the Lists_MakeMask function. A remote attacker could use this vulnerability to overflow a buffer and execute arbitrary code on the system with user privileges or possibly cause a denial of service.
Platforms Affected:
- Alexander Barton, ngIRCd prior to 0.8.2
Remedy:
For Gentoo Linux:
Upgrade to the latest version of ngircd (0.8.2 or later), as listed in GLSA 200501-40. See References.
Consequences:
Gain Access
References:
- ngIRCd Web site, ngIRCd: Next Generation IRC Daemon at http://arthur.ath.cx/~alex/ngircd/.
- BID-12397: ngIRCd Remote Buffer Overflow Vulnerability
- CVE-2005-0199: Integer underflow in the Lists_MakeMask() function in lists.c in ngIRCd before 0.8.2 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a long MODE line that causes an incorrect length calculation, which leads to a buffer overflow.
- GLSA-200501-40: ngIRCd: Buffer overflow
- SA14056: ngIRCd "Lists_MakeMask()" Buffer Overflow Vulnerability
- SECTRACK ID: 1013047: ngIRCd Buffer Overflow in Lists_MakeMask() Lets Remote Users Deny Service
Reported:
Jan 28, 2005
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