CVE-2011-4577

Impact:
Moderate
Public Date:
2012-01-04
IAVA:
2012-A-0148, 2012-A-0153
Bugzilla:
771778: CVE-2011-4577 openssl: malformed RFC 3779 data can cause assertion failures

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2011-4577 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue did not affect the versions of openssl as shipped with Red Hat Enterprise Linux 3, 4 and 5.

CVSS v2 metrics

Base Score 4.3
Base Metrics AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 6 (openssl) RHSA-2012:0059 2012-01-24
RHEV Hypervisor for RHEL-6 (rhev-hypervisor6) RHSA-2012:0109 2012-02-15

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 6 openssl098e Not affected
Red Hat Enterprise Linux 5 openssl Not affected
Red Hat Enterprise Linux 5 openssl097a Not affected
Red Hat Enterprise Linux 4 openssl Not affected
Red Hat Enterprise Linux 4 openssl096b Not affected
Red Hat Enterprise Linux 3 openssl Not affected
Last Modified

CVE description copyright © 2017, The MITRE Corporation