IRC Services long password denial of service
| ircservices-password-dos (38591) |  Low Risk |
Description:
IRC Services is vulnerable to a denial of service, caused by improper validation of user-supplied input by the default_encrypt() function. A remote attacker could exploit this vulnerability by attempting to authenticate with an overly long password to cause the application to crash.
Platforms Affected:
- Gentoo, Linux
- IRC Services, IRC Services 5.0.62
- IRC Services, IRC Services 5.1.6
Remedy:
Upgrade to the latest version of IRC Services (5.1.9 or later), available from the IRC Services Web site. See References.
Consequences:
Denial of Service
References:
- IRC Services Web site, version 5.1.7 (Fixed crash on certain uses of very long passwords) at http://www.ircservices.za.net/Changes.txt.
- BID-26517: IRC Services Password Parsing Remote Denial Of Service Vulnerability
- CVE-2007-6122: The default_encrypt function in encrypt.c in IRC Services before 5.0.63, and 5.1.x before 5.1.7, allows remote attackers to cause a denial of service (daemon crash) via a long password. NOTE: some of these details are obtained from third party information.
- CVE-2007-6123: Unspecified vulnerability in IRC Services 5.1.8 has unknown impact and attack vectors.
- FrSIRT/ADV-2007-3959: IRC Services Password Handling Remote Denial of Service Vulnerability
- GLSA-200712-12: IRC Services: Denial of Service
- SA27761: IRC Services Denial of Service Vulnerability
Reported:
Nov 21, 2007
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