CVE-2014-1692
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 4.7% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 4.7% in the next 30 days (EPSS).
- Severity: 7.3 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 4.7% · EPSS, next 30 days
- Weakness
- CWE-119 · Buffer errors
- Record status
- Modified
Affected
- Openbsd OpenSSH ≤ 6.4
Attack profile CVSS 3.1 · 7.3
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2014-1692.md and follow it. Check whether this project is affected by CVE-2014-1692. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/schnorr.c#rev1.10
- http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/schnorr.c#rev1.10
References
- http://marc.info/?l=bugtraq&m=141576985122836&w=2
- http://marc.info/?l=bugtraq&m=144050155601375&w=2
- http://openwall.com/lists/oss-security/2014/01/29/10
- http://openwall.com/lists/oss-security/2014/01/29/2
- http://osvdb.org/102611
- http://secunia.com/advisories/60184
- http://www-01.ibm.com/support/docview.wss?uid=isg3T1020637
- 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#rev1.10
- http://www.securityfocus.com/bid/65230
- https://exchange.xforce.ibmcloud.com/vulnerabilities/90819
- http://marc.info/?l=bugtraq&m=141576985122836&w=2
- http://marc.info/?l=bugtraq&m=144050155601375&w=2
- http://openwall.com/lists/oss-security/2014/01/29/10
- http://openwall.com/lists/oss-security/2014/01/29/2
- http://osvdb.org/102611
- http://secunia.com/advisories/60184
- http://www-01.ibm.com/support/docview.wss?uid=isg3T1020637
- 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#rev1.10
- http://www.securityfocus.com/bid/65230
- https://exchange.xforce.ibmcloud.com/vulnerabilities/90819