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Debian DLA-175-1 : gnupg security update
medium Nessus Plugin ID 82160
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Synopsis
The remote Debian host is missing a security update.Description
Multiple vulnerabilities were discovered in GnuPG, the GNU Privacy Guard :CVE-2014-3591
The Elgamal decryption routine was susceptible to a side-channel attack discovered by researchers of Tel Aviv University. Ciphertext blinding was enabled to counteract it. Note that this may have a quite noticeable impact on Elgamal decryption performance.
CVE-2015-0837
The modular exponentiation routine mpi_powm() was susceptible to a side-channel attack caused by data-dependent timing variations when accessing its internal pre-computed table.
CVE-2015-1606
The keyring parsing code did not properly reject certain packet types not belonging in a keyring, which caused an access to memory already freed. This could allow remote attackers to cause a denial of service (crash) via crafted keyring files.
For the oldstable distribution (squeeze), those problems have been fixed in version 1.4.10-4+squeeze7.
For the stable distribution (wheezy), these problems have been fixed in version 1.4.12-7+deb7u7.
We recommend that you upgrade your gnupg packages.
NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
Solution
Upgrade the affected packages.See Also
https://lists.debian.org/debian-lts-announce/2015/03/msg00012.html
Plugin Details
Severity: Medium
ID: 82160
File Name: debian_DLA-175.nasl
Version: 1.8
Type: local
Agent: unix
Family: Debian Local Security Checks
Published: 3/26/2015
Updated: 1/11/2021
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: Medium
Base Score: 4.3
Temporal Score: 3.2
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N
CVSS v3
Risk Factor: Medium
Base Score: 5.9
Temporal Score: 5.2
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:debian:debian_linux:gnupg, p-cpe:/a:debian:debian_linux:gnupg-curl, cpe:/o:debian:debian_linux:6.0, p-cpe:/a:debian:debian_linux:gnupg-udeb, p-cpe:/a:debian:debian_linux:gpgv-udeb, p-cpe:/a:debian:debian_linux:gpgv
Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l
Exploit Ease: No known exploits are available
Patch Publication Date: 3/17/2015
Vulnerability Publication Date: 11/20/2019