[manjaro-security] [arch-security] [ASA-201602-19] libgcrypt: secret key extraction
anthraxx at archlinux.org
Thu Feb 25 00:53:51 CET 2016
Arch Linux Security Advisory ASA-201602-19
Date : 2016-02-24
CVE-ID : CVE-2015-7511
Package : libgcrypt
Type : secret key extraction
Remote : Yes
Link : https://wiki.archlinux.org/index.php/CVE
The package libgcrypt before version 1.6.5-1 is vulnerable to a
side-channel attack leading to extraction of secret decryption keys.
Upgrade to 1.6.5-1.
# pacman -Syu "libgcrypt>=1.6.5-1"
The problem has been fixed upstream in version 1.6.5.
A vulnerability was found in a way the ECDH encryption algorithm
decrypts data. An attacker with a specialized setup can extract the
secret decryption key from a target located in an adjacent room within
seconds. This is done by measuring the target's electromagnetic emanations.
A remote attacker located in an adjacent room is able to extract the
secret decryption key by measuring the target's electromagnetic emanations.
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