libgcrypt Elgamal Decryption 'cipher/elgamal.c' Information Disclosure Vulnerability

BID:73066

Info

libgcrypt Elgamal Decryption 'cipher/elgamal.c' Information Disclosure Vulnerability

Bugtraq ID: 73066
Class: Design Error
CVE: CVE-2014-3591
Remote: No
Local: Yes
Published: Feb 27 2015 12:00AM
Updated: Oct 26 2016 04:10AM
Credit: Vasyl Kaigorodov
Vulnerable: Ubuntu Ubuntu Linux 14.10
Ubuntu Ubuntu Linux 14.04 LTS
Ubuntu Ubuntu Linux 12.04 LTS i386
Ubuntu Ubuntu Linux 12.04 LTS amd64
Ubuntu Ubuntu Linux 10.04 sparc
Ubuntu Ubuntu Linux 10.04 powerpc
Ubuntu Ubuntu Linux 10.04 i386
Ubuntu Ubuntu Linux 10.04 ARM
Ubuntu Ubuntu Linux 10.04 amd64
Slackware Slackware Linux 14.1
Slackware Slackware Linux 14.0
Slackware Slackware Linux 13.37
Slackware Slackware Linux 13.1
Slackware Slackware Linux 13.0
Slackware Linux x86_64 -current
Slackware Linux 14.1 x86_64
Slackware Linux 14.0 x86_64
Slackware Linux 14.0
Slackware Linux 13.37 x86_64
Slackware Linux 13.37
Slackware Linux 13.1 x86_64
Slackware Linux 13.1
Slackware Linux 13.0 x86_64
Slackware Linux 13.0
Slackware Linux -current
Mandriva Business Server 1 X86 64
Mandriva Business Server 1
Gnupg Libgcrypt 1.6.1
Gnupg Libgcrypt 1.6
Gnupg Libgcrypt 1.5.4
Gnupg Libgcrypt 1.6.2
Gnupg Libgcrypt 1.5.3
Gnupg Libgcrypt 1.5.2
Gnupg Libgcrypt 1.5.1
Gnupg Libgcrypt 1.5.0
Gnupg Libgcrypt 1.4.6
Gnupg Libgcrypt 1.4.5
Gnupg Libgcrypt 1.4.4
Gnupg Libgcrypt 1.4.3
Gnupg Libgcrypt 1.4.0
Gnupg Gnupg 3.1.3
Gnupg Gnupg 2.0.24
Gnupg Gnupg 2.0.23
Gnupg Gnupg 2.0.22
Gnupg Gnupg 2.0.21
Gnupg Gnupg 2.0.17
Gnupg Gnupg 2.0.16
Gnupg Gnupg 2.0.15
Gnupg Gnupg 2.0.14
Gnupg Gnupg 2.0.13
Gnupg Gnupg 2.0.11
Gnupg Gnupg 2.0.10
Gnupg Gnupg 2.0.8
Gnupg Gnupg 2.0.7
Gnupg Gnupg 2.0
Gnupg Gnupg 1.9.20
Gnupg Gnupg 1.9.19
Gnupg Gnupg 1.9.17
Gnupg Gnupg 1.9.16
Gnupg Gnupg 1.5.2
Gnupg Gnupg 1.4.17
Gnupg Gnupg 1.4.15
Gnupg Gnupg 1.4.14
Gnupg Gnupg 1.4.13
Gnupg Gnupg 1.4.12
Gnupg Gnupg 1.4.11
Gnupg Gnupg 1.4.10
Gnupg Gnupg 1.4.8
Gnupg Gnupg 1.4.5
Gnupg Gnupg 1.4.2
Gnupg Gnupg 1.3.6
Gnupg Gnupg 1.3.4
Gnupg Gnupg 1.3.3
Gnupg Gnupg 1.3.2
Gnupg Gnupg 1.2.7
Gnupg Gnupg 1.2.5
Gnupg Gnupg 1.2.4
Gnupg Gnupg 1.2.1
Gnupg Gnupg 1.1
Gnupg Gnupg 1.0.7
Gnupg Gnupg 1.0.6
Gnupg Gnupg 1.0.5
Gnupg Gnupg 1.0.4
Gnupg Gnupg 1.0.2
Gnupg Gnupg 0.9.11
Gnupg Gnupg 0.9.10
Gnupg Gnupg 0.9.9
Gnupg Gnupg 0.9.8
Gnupg Gnupg 0.9.7
Gnupg Gnupg 0.9.6
Gnupg Gnupg 0.9.5
Gnupg Gnupg 0.9.4
Gnupg Gnupg 0.9.1
Gnupg Gnupg 0.9
Gnupg Gnupg 0.4.5
Gnupg Gnupg 0.4.4
Gnupg Gnupg 0.4.3
Gnupg Gnupg 0.4.1
Gnupg Gnupg 0.3.5
Gnupg Gnupg 0.3.3
Gnupg Gnupg 0.3.2
Gnupg Gnupg 0.3
Gnupg Gnupg 0.2.19
Gnupg Gnupg 0.2.18
Gnupg Gnupg 0.2.17
Gnupg Gnupg 0.2.16
Gnupg Gnupg 0.2.15
Gnupg Gnupg 2.2.1
Gnupg Gnupg 2.2.0
Gnupg Gnupg 2.1
Gnupg Gnupg 2.0.6
Gnupg Gnupg 2.0.5
Gnupg Gnupg 2.0.3
Gnupg Gnupg 2.0.20
Gnupg Gnupg 2.0.19
Gnupg Gnupg 2.0.18
Gnupg Gnupg 2.0.12
Gnupg Gnupg 2.0.1
Gnupg Gnupg 2.0
Gnupg Gnupg 1.9.92
Gnupg Gnupg 1.4.4
Gnupg Gnupg 1.4.18
Gnupg Gnupg 1.4.16
Gnupg Gnupg 1.4.0
Gnupg Gnupg 1.3.93
Gnupg Gnupg 1.3.92
Gnupg Gnupg 1.3.91
Gnupg Gnupg 1.3.90
Gnupg Gnupg 1.3.1
Gnupg Gnupg 1.3.0
Gnupg Gnupg 1.2.6
Gnupg Gnupg 1.2.3
Gnupg Gnupg 1.2.2
Gnupg Gnupg 1.0.1
Gnupg Gnupg 0.9.3
Gnupg Gnupg 0.3.4
Gentoo Linux
Debian Linux 6.0 sparc
Debian Linux 6.0 s/390
Debian Linux 6.0 powerpc
Debian Linux 6.0 mips
Debian Linux 6.0 ia-64
Debian Linux 6.0 ia-32
Debian Linux 6.0 arm
Debian Linux 6.0 amd64
Not Vulnerable: Gnupg Libgcrypt 1.6.3
Gnupg Gnupg 1.4.19

Discussion

libgcrypt Elgamal Decryption 'cipher/elgamal.c' Information Disclosure Vulnerability

libgcrypt is prone to an information-disclosure vulnerability.

Attackers can exploit this issue to obtain sensitive information that may aid in further attacks.

Versions prior to libgcrypt 1.6.3 are vulnerable.

Exploit / POC

libgcrypt Elgamal Decryption 'cipher/elgamal.c' Information Disclosure Vulnerability

An attacker can exploit this issue using readily available tools.

Solution / Fix

libgcrypt Elgamal Decryption 'cipher/elgamal.c' Information Disclosure Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.


Slackware Linux 13.1

Slackware Linux x86_64 -current

Slackware Linux 14.0 x86_64

Slackware Linux 13.0 x86_64

Slackware Linux 13.37

References

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