Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2011-4576

Severity CVSS v4.0:
Pending analysis
Type:
CWE-310 Cryptographic Issues
Publication date:
06/01/2012
Last modified:
11/04/2025

Description

The SSL 3.0 implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f does not properly initialize data structures for block cipher padding, which might allow remote attackers to obtain sensitive information by decrypting the padding data sent by an SSL peer.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* 0.9.8r (including)
cpe:2.3:a:openssl:openssl:0.9.1c:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.2b:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.4:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.5:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.5a:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6a:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6b:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6c:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6d:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6e:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6f:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6g:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6h:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools