CVE-2014-0076
What it is
The Montgomery ladder implementation in OpenSSL through 1.0.0l does not ensure that certain swap operations have a constant-time behavior, which makes it easier for local users to obtain ECDSA nonces via a FLUSH+RELOAD cache side-channel attack.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in. Limited direct impact.
- Exploit odds
- 0.8% chance of exploitation in the next 30 days (EPSS).
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
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: 0.8% in the next 30 days (EPSS).
- Severity: 1.9 LOW (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Exploit probability
- 0.8% · EPSS, next 30 days
- Weakness
- CWE-310
- Record status
- Modified
Affected
- OpenSSL ≤ 1.0.0l
- OpenSSL 0.9.1c
- OpenSSL 0.9.2b
- OpenSSL 0.9.3
- OpenSSL 0.9.3a
- OpenSSL 0.9.4
- OpenSSL 0.9.5
- OpenSSL 0.9.5a
Attack profile CVSS 2.0 · 1.9
- Attack vector
- Local
- Complexity
- Medium
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- None
- Availability
- None
Raw vector
AV:L/AC:M/Au:N/C:P/I:N/A:N
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-2014-0076.md and follow it. Check whether this project is affected by CVE-2014-0076. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
References
- http://advisories.mageia.org/MGASA-2014-0165.html
- http://eprint.iacr.org/2014/140
- http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=2198be3483259de374f91e57d247d0fc667aef29
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10629
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html
- http://lists.opensuse.org/opensuse-updates/2014-04/msg00007.html
- http://marc.info/?l=bugtraq&m=140266410314613&w=2
- http://marc.info/?l=bugtraq&m=140317760000786&w=2
- http://marc.info/?l=bugtraq&m=140389274407904&w=2
- http://marc.info/?l=bugtraq&m=140389355508263&w=2
- http://marc.info/?l=bugtraq&m=140448122410568&w=2
- http://marc.info/?l=bugtraq&m=140482916501310&w=2
- http://marc.info/?l=bugtraq&m=140621259019789&w=2
- http://marc.info/?l=bugtraq&m=140752315422991&w=2
- http://marc.info/?l=bugtraq&m=140904544427729&w=2
- http://secunia.com/advisories/58492
- http://secunia.com/advisories/58727
- http://secunia.com/advisories/58939
- http://secunia.com/advisories/59040
- http://secunia.com/advisories/59162
- http://secunia.com/advisories/59175
- http://secunia.com/advisories/59264
- http://secunia.com/advisories/59300
- http://secunia.com/advisories/59364
- http://secunia.com/advisories/59374