Gentoo: GLSA-201204-02: InspIRCd: Arbitrary code execution
Summary
A vulnerability in InspIRCd allows DNS compression features to control the number of overflowed bytes sent to the heap-based buffer "res[]" in dns.cpp.
Resolution
All InspIRCd users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-irc/inspircd-2.0.5-r1"
References
[ 1 ] CVE-2012-1836 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1836
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201204-02
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
![Dist Gentoo](/images/distros/dist-gentoo.png)
Synopsis
A heap-based buffer overflow in InspIRCd may allow execution of arbitrary code.
Background
InspIRCd (Inspire IRCd) is a modular C++ IRC daemon
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-irc/inspircd < 2.0.5-r1 >= 2.0.5-r1
Impact
===== A remote attacker could send specially crafted DNS responses, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition.
Workaround
There is no known workaround at this time.