Auth bypass in OpenSSL
CVE-2010-4252
OpenSSL before 1.0.0c, when J-PAKE is enabled, does not properly validate the public parameters in the J-PAKE protocol, which allows remote attackers to bypass the need for knowledge of the shared secret, and successfully authenticate, by sending crafted values in each round of the protocol.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.081 (94.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.081 · newest: 0.081 · change: 0.000
Affected products
- OpenSSL — versions 0.9.8f, 0.9.8o, 0.9.8
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www-01.ibm.com/support/docview.wss
- slackware.com/security/viewer.php (vendor-advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:19039 (signature, vdb-entry)
- www.vupen.com/english/advisories/2010/3120 (vdb-entry, Vendor Advisory)
- www.vupen.com/english/advisories/2010/3122 (vdb-entry, Vendor Advisory)
- cvs.openssl.org/chngview (Patch)
- secunia.com/advisories/42469 (Vendor Advisory, third-party-advisory)
- marc.info/ (vendor-advisory)
- www.securityfocus.com/bid/45163 (vdb-entry)
- securitytracker.com/id (vdb-entry)
Frequently asked questions
- What is CVE-2010-4252?
- CVE-2010-4252 is a vulnerability in OpenSSL, classified under Improper Authentication. Published 2010-12-06.
- Is CVE-2010-4252 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.