Vulnerability in OpenSSL
CVE-2012-2333
Integer underflow in OpenSSL before 0.9.8x, 1.0.0 before 1.0.0j, and 1.0.1 before 1.0.1c, when TLS 1.1, TLS 1.2, or DTLS is used with CBC encryption, allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via a crafted TLS packet that is not properly handled during a certain explicit IV calculation.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.8 (Medium). Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.279 (98.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.279 · newest: 0.279 · change: 0.000
Affected products
- OpenSSL — versions 0.9.1c, 0.9.2b, 0.9.3
- Red Hat OpenSSL — versions 0.9.6-15, 0.9.6b-3, 0.9.7a-2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/53476 (vdb-entry)
- secunia.com/advisories/49116 (third-party-advisory)
- marc.info/ (vendor-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2012-November/092905.html (vendor-advisory)
- secunia.com/advisories/51312 (third-party-advisory)
- rhn.redhat.com/errata/RHSA-2012-1308.html (vendor-advisory)
- cvs.openssl.org/chngview
- rhn.redhat.com/errata/RHSA-2012-1307.html (vendor-advisory)
- marc.info/ (vendor-advisory)
- support.apple.com/kb/HT5784
Frequently asked questions
- What is CVE-2012-2333?
- CVE-2012-2333 is a vulnerability in OpenSSL, classified under CWE-189. Published 2012-05-14.
- Is CVE-2012-2333 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.