CVE-2011-4577

Home/CVE/OpenSSL before 0.9.8s and 1.x before 1.0.0f, when RFC 3779 support is enabled, allows remote attackers to cause a denial

CVE

OpenSSL before 0.9.8s and 1.x before 1.0.0f, when RFC 3779 support is enabled, allows remote attackers to cause a denial

OpenSSL before 0.9.8s and 1.x before 1.0.0f, when RFC 3779 support is enabled, allows remote attackers to cause a denial of service (assertion failure) via an X.509 certificate containing certificate-extension data associated with (1) IP address blocks or (2) Autonomous System (AS) identifiers.

MEDIUM · CVSS 4.3 EPSS 0.02787

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

Sigma rules0 YARA rules0

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Affected Products & Versions

openssl<= 0.9.8r
opensslall versions
openssl<= 1.0.0e

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Scoring & Timeline

4.3

MEDIUM · 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:N/AC:M/Au:N/C:N/I:N/A:P

Published to NVD06 Jan 2012 · 01:55 AM

⚑

Vendor Advisories

suse-csafopenSUSE-SU-2024:10271-1
suse-csafopenSUSE-SU-2024:10529-1
suse-csafopenSUSE-SU-2024:11127-1
suse-csafSUSE-SU-2015:1184-1
suse-csafsuse-su-403
Show all 8 vendor advisoriesusnUSN-1357-1
rhsaRHSA-2012:0109Important
rhsaRHSA-2012:0059Moderate

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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://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041

http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html

http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092905.html

http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00017.html

http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00018.html

http://marc.info/?l=bugtraq&m=132750648501816&w=2

Show all 12 references

http://marc.info/?l=bugtraq&m=134039053214295&w=2

http://secunia.com/advisories/57353

http://support.apple.com/kb/HT5784

http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564

http://www.kb.cert.org/vuls/id/737740US Government Resource

http://www.openssl.org/news/secadv_20120104.txt

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