CVE-2014-1692
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)…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.59%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.3 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- EPSS
- 4.59% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- openbsd/openssh
- Source
- secalert@redhat.com
References
- http://marc.info/?l=bugtraq&m=141576985122836&w=2Third Party Advisory
- http://marc.info/?l=bugtraq&m=144050155601375&w=2Third Party Advisory
- http://openwall.com/lists/oss-security/2014/01/29/10Mailing List, Third Party Advisory
- http://openwall.com/lists/oss-security/2014/01/29/2Mailing List, Third Party Advisory
- http://osvdb.org/102611Broken Link
- http://secunia.com/advisories/60184Third Party Advisory
- http://www-01.ibm.com/support/docview.wss?uid=isg3T1020637Third Party Advisory
- http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/Attic/schnorr.c.diff?r1=1.9%3Br2=1.10%3Bf=h
- http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/schnorr.c#rev1.10Vendor Advisory
- http://www.securityfocus.com/bid/65230Third Party Advisory, VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/90819Third Party Advisory, VDB Entry
- http://marc.info/?l=bugtraq&m=141576985122836&w=2Third Party Advisory
- http://marc.info/?l=bugtraq&m=144050155601375&w=2Third Party Advisory
- http://openwall.com/lists/oss-security/2014/01/29/10Mailing List, Third Party Advisory
- http://openwall.com/lists/oss-security/2014/01/29/2Mailing List, Third Party Advisory
- http://osvdb.org/102611Broken Link
- http://secunia.com/advisories/60184Third Party Advisory
- http://www-01.ibm.com/support/docview.wss?uid=isg3T1020637Third Party Advisory
- http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/Attic/schnorr.c.diff?r1=1.9%3Br2=1.10%3Bf=h
- http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/schnorr.c#rev1.10Vendor Advisory
- http://www.securityfocus.com/bid/65230Third Party Advisory, VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/90819Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.