National Cyber-Alert System

Vulnerability Summary for CVE-2011-4623

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: UBUNTU

Name: USN-1338-1

Type: Advisory; Patch Information

Hyperlink:http://www.ubuntu.com/usn/USN-1338-1

External Source: MISC

Name: https://bugzilla.redhat.com/show_bug.cgi?id=769822

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=769822

External Source: SECTRACK

Name: 1026556

Hyperlink:http://www.securitytracker.com/id?1026556

External Source: BID

Name: 51171

Hyperlink:http://www.securityfocus.com/bid/51171

External Source: MLIST

Name: [oss-security] 20111222 Re: CVE Request -- rsyslog -- DoS due integer signedness error while extending rsyslog counted string buffer

Hyperlink:http://www.openwall.com/lists/oss-security/2011/12/22/2

External Source: SECUNIA

Name: 47698

Type: Advisory

Hyperlink:http://secunia.com/advisories/47698

External Source: SECUNIA

Name: 45848

Type: Advisory

Hyperlink:http://secunia.com/advisories/45848

External Source: CONFIRM

Name: http://rsyslog.com/changelog-for-6-1-4-devel/

Hyperlink:http://rsyslog.com/changelog-for-6-1-4-devel/

External Source: CONFIRM

Name: http://rsyslog.com/changelog-for-5-7-4-v5-beta/

Hyperlink:http://rsyslog.com/changelog-for-5-7-4-v5-beta/

External Source: CONFIRM

Name: http://rsyslog.com/changelog-for-4-6-6-v4-stable/

Hyperlink:http://rsyslog.com/changelog-for-4-6-6-v4-stable/

External Source: CONFIRM

Name: http://git.adiscon.com/?p=rsyslog.git;a=commit;h=6bad782f154b7f838c7371bf99c13f6dc4ec4101

Hyperlink:http://git.adiscon.com/?p=rsyslog.git;a=commit;h=6bad782f154b7f838c7371bf99c13f6dc4ec4101

External Source: MISC

Name: http://bugzilla.adiscon.com/show_bug.cgi?id=221

Hyperlink:http://bugzilla.adiscon.com/show_bug.cgi?id=221

External Source: CONFIRM

Name: http://bugzilla.adiscon.com/show_bug.cgi?id=221

Hyperlink:http://bugzilla.adiscon.com/show_bug.cgi?id=221