CVE-2014-0076

Severity: low (CVSS 1.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-03-25 · updated 2026-06-17
Weakness: CWE-310

Description

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.

Affected products

OpenSSL: through 1.0.0l; 0.9.1c, 0.9.2b, 0.9.3, 0.9.3a, 0.9.4, 0.9.5 (+89)

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

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