CVE-2014-1692
HIGH severity · CVSS 7.3 · Memory corruption
7.3CVSS HIGH
Summary
The hash_buffer function in schnorr.c in OpenSSH through 6.4, when Makefile.inc is modified to enable the J-PAKE protocol, does not initialize certain data structures, which might allow remote attackers to cause a denial of service (memory corruption) or have unspecified other impact via vectors that trigger an error condition.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactLow
Integrity impactLow
Availability impactLow
Exploit probability (EPSS)5%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://marc.info/?l=bugtraq&m=141576985122836&w=2Advisory
- http://marc.info/?l=bugtraq&m=144050155601375&w=2Advisory
- http://openwall.com/lists/oss-security/2014/01/29/10Advisory
- http://openwall.com/lists/oss-security/2014/01/29/2Advisory
- http://osvdb.org/102611
- http://secunia.com/advisories/60184Advisory
- http://www-01.ibm.com/support/docview.wss?uid=isg3T1020637Advisory
- http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/Attic/schnorr.c.diff?r1=1.9%3Br2=1.10%3Bf=h