CVE-2011-4577 describes a denial-of-service vulnerability in OpenSSL versions prior to 0.9.8s and 1.0.0f, specifically when RFC 3779 support is enabled. Attackers can trigger an assertion failure by providing a specially crafted X.509 certificate containing malformed IP address blocks or Autonomous System identifiers. This vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and potential for partial denial of service, but no impact on confidentiality or integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.9.8rCPE matchmatch criteria | cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* | ||
0.9.1cCPE matchmatch criteria | cpe:2.3:a:openssl:openssl:0.9.1c:*:*:*:*:*:*:* | ||
0.9.2bCPE matchmatch criteria | cpe:2.3:a:openssl:openssl:0.9.2b:*:*:*:*:*:*:* | ||
0.9.4CPE matchmatch criteria | cpe:2.3:a:openssl:openssl:0.9.4:*:*:*:*:*:*:* | ||
0.9.5CPE matchmatch criteria | cpe:2.3:a:openssl:openssl:0.9.5:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:P
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The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.