USN-2555-1: Libgcrypt vulnerabilities

Publication date

1 April 2015

Overview

Several security issues were fixed in Libgcrypt.


Packages

Details

Daniel Genkin, Lev Pachmanov, Itamar Pipman, and Eran Tromer discovered
that Libgcrypt was susceptible to an attack via physical side channels. A
local attacker could use this attack to possibly recover private keys.
(CVE-2014-3591)

Daniel Genkin, Adi Shamir, and Eran Tromer discovered that Libgcrypt was
susceptible to an attack via physical side channels. A local attacker could
use this attack to possibly recover private keys. (CVE-2015-0837)

Daniel Genkin, Lev Pachmanov, Itamar Pipman, and Eran Tromer discovered
that Libgcrypt was susceptible to an attack via physical side channels. A
local attacker could use this attack to possibly recover private keys.
(CVE-2014-3591)

Daniel Genkin, Adi Shamir, and Eran Tromer discovered that Libgcrypt was
susceptible to an attack via physical side channels. A local attacker could
use this attack to possibly recover private keys. (CVE-2015-0837)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
14.10 utopic libgcrypt11 –  1.5.4-2ubuntu1.1
libgcrypt20 –  1.6.1-2ubuntu1.14.10.1
14.04 trusty libgcrypt11 –  1.5.3-2ubuntu4.2
12.04 precise libgcrypt11 –  1.5.0-3ubuntu0.4
10.04 lucid libgcrypt11 –  1.4.4-5ubuntu2.4

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