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Ubuntu: USN-2830-1 (CVE-2015-3193): OpenSSL vulnerabilities

Severity CVSS Published Added Modified
5 (AV:N/AC:L/Au:N/C:P/I:N/A:N) December 06, 2015 December 07, 2015 December 01, 2017

Description

The Montgomery squaring implementation in crypto/bn/asm/x86_64-mont5.pl in OpenSSL 1.0.2 before 1.0.2e on the x86_64 platform, as used by the BN_mod_exp function, mishandles carry propagation and produces incorrect output, which makes it easier for remote attackers to obtain sensitive private-key information via an attack against use of a (1) Diffie-Hellman (DH) or (2) Diffie-Hellman Ephemeral (DHE) ciphersuite.

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References

Solution

ubuntu-upgrade-libssl1-0-0

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