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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (8.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 8.08% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- openssl/openssl
- Source
- secalert@redhat.com
References
- http://cvs.openssl.org/chngview?cn=20098Patch
- http://marc.info/?l=bugtraq&m=129916880600544&w=2
- http://marc.info/?l=bugtraq&m=130497251507577&w=2
- http://openssl.org/news/secadv_20101202.txt
- http://seb.dbzteam.org/crypto/jpake-session-key-retrieval.pdfExploit
- http://secunia.com/advisories/42469Vendor Advisory
- http://secunia.com/advisories/57353
- http://securitytracker.com/id?1024823
- http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.668471
- http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564
- http://www.securityfocus.com/bid/45163
- http://www.vupen.com/english/advisories/2010/3120Vendor Advisory
- http://www.vupen.com/english/advisories/2010/3122Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=659297Patch
- https://github.com/seb-m/jpakePatch
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19039
- http://cvs.openssl.org/chngview?cn=20098Patch
- http://marc.info/?l=bugtraq&m=129916880600544&w=2
- http://marc.info/?l=bugtraq&m=130497251507577&w=2
- http://openssl.org/news/secadv_20101202.txt
- http://seb.dbzteam.org/crypto/jpake-session-key-retrieval.pdfExploit
- http://secunia.com/advisories/42469Vendor Advisory
- http://secunia.com/advisories/57353
- http://securitytracker.com/id?1024823
- http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.668471
- http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564
- http://www.securityfocus.com/bid/45163
- http://www.vupen.com/english/advisories/2010/3120Vendor Advisory
- http://www.vupen.com/english/advisories/2010/3122Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=659297Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.