CVE-2011-4577

Medium

Description

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.

SeverityMedium
CVSS4.3
Exploit probability—
ProductOpenssl
PublishedJan 6, 2012
First seenJan 6, 2012

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
openssl opensslv ≤ 0.9.8r, 0.9.1c, 0.9.2b, 0.9.4, 0.9.5, 0.9.5a, 0.9.6, 0.9.6a, 0.9.6b, 0.9.6c, 0.9.6d, 0.9.6e, 0.9.6f, 0.9.6g, 0.9.6h, 0.9.6i, 0.9.6j, 0.9.6k, 0.9.6l, 0.9.6m, 0.9.7, 0.9.7a, 0.9.7b, 0.9.7c, 0.9.7d, 0.9.7e, 0.9.7f, 0.9.7g, 0.9.7h, 0.9.7i, 0.9.7j, 0.9.7k, 0.9.7l, 0.9.7m, 0.9.8, 0.9.8a, 0.9.8b, 0.9.8c, 0.9.8d, 0.9.8e, 0.9.8f, 0.9.8g, 0.9.8h, 0.9.8i, 0.9.8j, 0.9.8k, 0.9.8l, 0.9.8m, 0.9.8n, 0.9.8o, 0.9.8p, 0.9.8q, v ≤ 1.0.0e, 1.0.0, 1.0.0a, 1.0.0b, 1.0.0c, 1.0.0d—

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CVE-2011-4577 · Openssl · Dark Radar