CVE-2011-4623

Summary

CVECVE-2011-4623
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2012-09-25 23:55:01 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionInteger 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.

Risk And Classification

Primary CVSS: v2.0 2.1 from [email protected]

AV:L/AC:L/Au:N/C:N/I:N/A:P

Problem Types: CWE-189 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:L/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Rsyslog Rsyslog 4.1.0 All All All
Application Rsyslog Rsyslog 4.1.1 All All All
Application Rsyslog Rsyslog 4.1.2 All All All
Application Rsyslog Rsyslog 4.1.3 All All All
Application Rsyslog Rsyslog 4.1.4 All All All
Application Rsyslog Rsyslog 4.1.5 All All All
Application Rsyslog Rsyslog 4.1.6 All All All
Application Rsyslog Rsyslog 4.1.7 All All All
Application Rsyslog Rsyslog 4.2.0 All All All
Application Rsyslog Rsyslog 4.3.0 All All All
Application Rsyslog Rsyslog 4.3.1 All All All
Application Rsyslog Rsyslog 4.3.2 All All All
Application Rsyslog Rsyslog 4.4.0 All All All
Application Rsyslog Rsyslog 4.4.1 All All All
Application Rsyslog Rsyslog 4.4.2 All All All
Application Rsyslog Rsyslog 4.5.0 All All All
Application Rsyslog Rsyslog 4.5.1 All All All
Application Rsyslog Rsyslog 4.5.2 All All All
Application Rsyslog Rsyslog 4.5.3 All All All
Application Rsyslog Rsyslog 4.5.4 All All All
Application Rsyslog Rsyslog 4.5.5 All All All
Application Rsyslog Rsyslog 4.5.6 All All All
Application Rsyslog Rsyslog 4.5.7 All All All
Application Rsyslog Rsyslog 4.5.8 All All All
Application Rsyslog Rsyslog 4.6.0 All All All
Application Rsyslog Rsyslog 4.6.1 All All All
Application Rsyslog Rsyslog 4.6.2 All All All
Application Rsyslog Rsyslog 4.6.3 All All All
Application Rsyslog Rsyslog 4.6.4 All All All
Application Rsyslog Rsyslog 4.6.5 All All All
Application Rsyslog Rsyslog 5.1.0 All All All
Application Rsyslog Rsyslog 5.1.1 All All All
Application Rsyslog Rsyslog 5.1.2 All All All
Application Rsyslog Rsyslog 5.1.3 All All All
Application Rsyslog Rsyslog 5.1.4 All All All
Application Rsyslog Rsyslog 5.1.5 All All All
Application Rsyslog Rsyslog 5.1.6 All All All
Application Rsyslog Rsyslog 5.2.0 All All All
Application Rsyslog Rsyslog 5.2.1 All All All
Application Rsyslog Rsyslog 5.2.2 All All All
Application Rsyslog Rsyslog 5.3.1 All All All
Application Rsyslog Rsyslog 5.3.2 All All All
Application Rsyslog Rsyslog 5.3.3 All All All
Application Rsyslog Rsyslog 5.3.4 All All All
Application Rsyslog Rsyslog 5.3.5 All All All
Application Rsyslog Rsyslog 5.3.6 All All All
Application Rsyslog Rsyslog 5.3.7 All All All
Application Rsyslog Rsyslog 5.4.0 All All All
Application Rsyslog Rsyslog 5.4.1 All All All
Application Rsyslog Rsyslog 5.4.2 All All All
Application Rsyslog Rsyslog 5.5.0 All All All
Application Rsyslog Rsyslog 5.5.1 All All All
Application Rsyslog Rsyslog 5.5.2 All All All
Application Rsyslog Rsyslog 5.5.3 All All All
Application Rsyslog Rsyslog 5.5.4 All All All
Application Rsyslog Rsyslog 5.5.5 All All All
Application Rsyslog Rsyslog 5.5.6 All All All
Application Rsyslog Rsyslog 5.5.7 All All All
Application Rsyslog Rsyslog 5.6.0 All All All
Application Rsyslog Rsyslog 5.6.1 All All All
Application Rsyslog Rsyslog 5.6.2 All All All
Application Rsyslog Rsyslog 5.6.3 All All All
Application Rsyslog Rsyslog 5.6.4 All All All
Application Rsyslog Rsyslog 5.6.5 All All All
Application Rsyslog Rsyslog 5.7.0 All All All
Application Rsyslog Rsyslog 5.7.1 All All All
Application Rsyslog Rsyslog 5.7.2 All All All
Application Rsyslog Rsyslog 5.7.3 All All All
Application Rsyslog Rsyslog 6.1.0 All All All
Application Rsyslog Rsyslog 6.1.1 All All All
Application Rsyslog Rsyslog 6.1.2 All All All
Application Rsyslog Rsyslog 6.1.3 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
oss-security - Re: CVE Request -- rsyslog -- DoS due integer signedness error while extending rsyslog counted string buffer af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
Changelog for 4.6.6 (v4-stable) rsyslog af854a3a-2127-422b-91ae-364da2661108 rsyslog.com
Security Advisory SA47698 - Ubuntu update for rsyslog - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
RSyslog Function Imfile Module Buffer Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
rsyslog Two Vulnerabilities - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
git.adiscon.com Git - rsyslog.git/commit af854a3a-2127-422b-91ae-364da2661108 git.adiscon.com
Bug 769822 – rsyslog: DoS due integer signedness error while extending rsyslog counted string buffer af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
Changelog for 6.1.4 (devel) rsyslog af854a3a-2127-422b-91ae-364da2661108 rsyslog.com
USN-1338-1: Rsyslog vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Patch, Vendor Advisory
401 Unauthorized af854a3a-2127-422b-91ae-364da2661108 bugzilla.adiscon.com
Changelog for 5.7.4 (v5-beta) rsyslog af854a3a-2127-422b-91ae-364da2661108 rsyslog.com
rsyslog imfile Integer Signedness Error Lets Local Users Deny Service - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
git.adiscon.com Git - rsyslog.git/commit MITRE git.adiscon.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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