CVE-2011-4623

Home/CVE/Integer overflow in the rsCStrExtendBuf function in runtime/stringbuf.c in the imfile module in rsyslog 4.x before 4.6.6

CVE

Integer overflow in the rsCStrExtendBuf function in runtime/stringbuf.c in the imfile module in rsyslog 4.x before 4.6.6

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.

LOW · CVSS 2.1 EPSS 0.0009

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

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Affected Products & Versions

rsyslogall versions

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Scoring & Timeline

2.1

LOW · CVSS v2 (legacy) · secalert@redhat.com

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

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

Published to NVD25 Sep 2012 · 11:55 PM

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Vendor Advisories

usnUSN-1338-1

rhsaRHSA-2012:0796Moderate

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

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

http://git.adiscon.com/?p=rsyslog.git

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/45848Vendor Advisory

Show all 12 references

http://secunia.com/advisories/47698Vendor Advisory

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-1338-1PatchVendor Advisory

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

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