CVE-2011-4576

Advisory lineage Upstream: 0 Downstream: 10
Modified
Published: 06 Jan 2012, 01:00
Last modified:07 Aug 2024, 00:09

Vulnerability Summary

Overall Risk (default)
low
20/100
CVSS Score
5 MEDIUM
v2.0 (nvd)
EPSS Score
1.05% LOW
1% probability +0.24%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

06 Jan 2012, 01:00
Published
Vulnerability first disclosed
07 Aug 2024, 00:09
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:P/I:N/A:N

EPSS Trends

Current EPSS score: 1.05%• Percentile: 78%

Techniques & Countermeasures

  • CWE-310•Cryptographic Issues

    Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed.

Affected Systems

  • Unknown•OpenSSL

    ≤ 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 | 0.9.6h:bogus | 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 | ≤ 1.0.0e | 1.0.0 | 1.0.0:beta1 | 1.0.0:beta2 | 1.0.0:beta3 | 1.0.0:beta4 | 1.0.0:beta5 | 1.0.0a | 1.0.0b | 1.0.0c | 1.0.0d

References (22)