Vulnerability in OpenSSL
CVE-2010-2939
Double free vulnerability in the ssl3_get_key_exchange function in the OpenSSL client (ssl/s3_clnt.c) in OpenSSL 1.0.0a, 0.9.8, 0.9.7, and possibly other versions, when using ECDH, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted private key with an invalid prime. NOTE: some sources refer to this as a use-after-free issue.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.100 (95.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.100 · newest: 0.100 · change: 0.000
Affected products
- OpenSSL — versions 1.0.0a, 0.9.7, 0.9.8
Weakness classification (CWE)
Public proof-of-concept exploits
References
- slackware.com/security/viewer.php (vendor-advisory)
- www.mail-archive.com/openssl-dev@openssl.org/msg28049.html (mailing-list)
- marc.info/ (vendor-advisory)
- secunia.com/advisories/42413 (third-party-advisory)
- secunia.com/advisories/40906 (third-party-advisory, Vendor Advisory)
- www.debian.org/security/2010/dsa-2100 (vendor-advisory)
- www.openwall.com/lists/oss-security/2010/08/11/6 (mailing-list)
- seclists.org/fulldisclosure/2010/Aug/84 (mailing-list)
- www.vupen.com/english/advisories/2010/2229 (vdb-entry)
- www.vupen.com/english/advisories/2010/2038 (vdb-entry, Vendor Advisory)
Frequently asked questions
- What is CVE-2010-2939?
- CVE-2010-2939 is a vulnerability in OpenSSL, classified under CWE-399. Published 2010-08-17.
- Is CVE-2010-2939 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.