Vulnerability in OpenSSL
CVE-2011-4576
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.
Vulnerability class: POODLE (CVE-2014-3566)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.156 (96.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.148 · newest: 0.156 · change: +0.008
Affected products
- OpenSSL — versions 0.9.1c, 0.9.2b, 0.9.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secunia.com/advisories/48528 (third-party-advisory)
- h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp (vendor-advisory)
- www-01.ibm.com/support/docview.wss
- lists.opensuse.org/opensuse-security-announce/2012-01/msg00017.html (vendor-advisory)
- www.mandriva.com/security/advisories (vendor-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2012-November/092905.html (vendor-advisory)
- www.openssl.org/news/secadv_20120104.txt (Vendor Advisory)
- lists.opensuse.org/opensuse-security-announce/2012-01/msg00018.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2012-1308.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2012-1307.html (vendor-advisory)
Frequently asked questions
- What is CVE-2011-4576?
- CVE-2011-4576 is a vulnerability in OpenSSL, classified under Cryptographic Issues. Published 2012-01-06.
- Is CVE-2011-4576 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.