CVEs-PoC/2011/CVE-2011-4623.md

CVE-2011-4623

Description

Integer overflow in the rsCStrExtendBuf function in runtime/stringbuf.c in the imfile module in rsyslog 4.x before 4.6.6, 5.x before 5.7.4, and 6.x before 6.1.4 allows local users to cause a denial of service (daemon hang) via a large file, which triggers a heap-based buffer overflow.

POC

Reference

• http://rsyslog.com/changelog-for-4-6-6-v4-stable/
• http://rsyslog.com/changelog-for-5-7-4-v5-beta/
• http://rsyslog.com/changelog-for-6-1-4-devel/

Github

• https://github.com/ARPSyndicate/cvemon
• https://github.com/ehoffmann-cp/check_for_cve