CVE-2014-0076

Publication date 25 March 2014

Last updated 24 July 2024

Ubuntu priority

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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
openssl	13.10 saucy	Fixed 1.0.1e-3ubuntu1.2
	12.10 quantal	Fixed 1.0.1c-3ubuntu2.7
	12.04 LTS precise	Fixed 1.0.1-4ubuntu5.12
	10.04 LTS lucid	Not affected
openssl098	13.10 saucy	Not affected
	12.10 quantal	Not affected
	12.04 LTS precise	Not affected
	10.04 LTS lucid	Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
openssl	Upstream: http://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=4b7a4ba29cafa432fc4266fe6e59e60bc1c96332 Upstream: http://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=40acdb192e035f463d3c39c23fd8a68cf54df378

References

Related Ubuntu Security Notices (USN)

USN-2165-1
OpenSSL vulnerabilities
7 April 2014