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Test ID:1.3.6.1.4.1.25623.1.0.131231
Category:Mageia Linux Local Security Checks
Title:Mageia Linux Local Check: mgasa-2016-0072
Summary:Mageia Linux Local Security Checks mgasa-2016-0072
Description:Summary:
Mageia Linux Local Security Checks mgasa-2016-0072

Vulnerability Insight:
Updated libgcrypt packages fix security vulnerability: Daniel Genkin, Lev Pachmanov, Itamar Pipman and Eran Tromer discovered that the ECDH secret decryption keys in applications using the libgcrypt20 library could be leaked via a side-channel attack (CVE-2015-7511). The libgcrypt package was also updated to include countermeasures against Lenstra's fault attack on RSA Chinese Remainder Theorem optimization in RSA. A signature verification step was updated to protect against leaks of private keys in case of hardware faults or implementation errors in numeric libraries. This issue is equivalent to the CVE-2015-5738 issue in gnupg.

Solution:
Update the affected packages to the latest available version.

CVSS Score:
1.9

CVSS Vector:
AV:L/AC:M/Au:N/C:P/I:N/A:N

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2015-7511
BugTraq ID: 83253
http://www.securityfocus.com/bid/83253
Debian Security Information: DSA-3474 (Google Search)
http://www.debian.org/security/2016/dsa-3474
Debian Security Information: DSA-3478 (Google Search)
http://www.debian.org/security/2016/dsa-3478
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/W2IL4PAEICHGA2XMQYRY3MIWHM4GMPAG/
https://security.gentoo.org/glsa/201610-04
http://www.cs.tau.ac.IL/~tromer/ecdh/
https://lists.gnupg.org/pipermail/gnupg-announce/2016q1/000384.html
SuSE Security Announcement: openSUSE-SU-2016:1227 (Google Search)
http://lists.opensuse.org/opensuse-updates/2016-05/msg00027.html
http://www.ubuntu.com/usn/USN-2896-1
CopyrightCopyright (C) 2016 Eero Volotinen

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