Buffer overflow in InspIRCd - CVE-2012-1836
Published: March 22, 2012 / Updated: September 22, 2020
Vulnerability identifier: #VU46870
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-1836
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Heap-based buffer overflow in dns.cpp in InspIRCd 2.0.5 might allow remote attackers to execute arbitrary code via a crafted DNS query that uses compression.
Affected software
InspIRCd
Gentoo Linux
Gentoo Linux
How to mitigate CVE-2012-1836
Install update from vendor's website.
InspIRCd - update to 2.0.7
External References
- http://osvdb.org/80263
- http://secunia.com/advisories/48474
- http://www.debian.org/security/2012/dsa-2448
- http://www.kb.cert.org/vuls/id/212651
- http://www.securityfocus.com/bid/52561
- https://exchange.xforce.ibmcloud.com/vulnerabilities/74157
- https://github.com/inspircd/inspircd/commit/fe7dbd2c104c37f6f3af7d9f1646a3c332aea4a4