CVE-2010-4478

Summary

OpenSSH 5.6 and earlier, 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, a related issue to CVE-2010-4252.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/jpake.c#rev1.5
• http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10673
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12338
• http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/jpake.c.diff?r1=1.4%3Br2=1.5%3Bf=h
• https://github.com/seb-m/jpake
• https://bugzilla.redhat.com/show_bug.cgi?id=659297
• http://seb.dbzteam.org/crypto/jpake-session-key-retrieval.pdf

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: total

References

• http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/jpake.c#rev1.5
• http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10673
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12338
• http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/jpake.c.diff?r1=1.4%3Br2=1.5%3Bf=h
• https://github.com/seb-m/jpake
• https://bugzilla.redhat.com/show_bug.cgi?id=659297
• http://seb.dbzteam.org/crypto/jpake-session-key-retrieval.pdf

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