CVE-2011-4623

Impact

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.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• http://bugzilla.adiscon.com/show_bug.cgi?id=221
• http://git.adiscon.com/?p=rsyslog.git%3Ba=commit%3Bh=6bad782f154b7f838c7371bf99c13f6dc4ec4101
• 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/
• http://secunia.com/advisories/45848
• http://secunia.com/advisories/47698
• http://www.openwall.com/lists/oss-security/2011/12/22/2
• http://www.securityfocus.com/bid/51171
• http://www.securitytracker.com/id?1026556
• http://www.ubuntu.com/usn/USN-1338-1
• https://bugzilla.redhat.com/show_bug.cgi?id=769822
• http://bugzilla.adiscon.com/show_bug.cgi?id=221
• http://git.adiscon.com/?p=rsyslog.git%3Ba=commit%3Bh=6bad782f154b7f838c7371bf99c13f6dc4ec4101
• 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/
• http://secunia.com/advisories/45848
• http://secunia.com/advisories/47698
• http://www.openwall.com/lists/oss-security/2011/12/22/2
• http://www.securityfocus.com/bid/51171
• http://www.securitytracker.com/id?1026556
• http://www.ubuntu.com/usn/USN-1338-1
• https://bugzilla.redhat.com/show_bug.cgi?id=769822