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[{"id":506,"title":"Yes \u2014 critical security patches should install automatically.","votes":0,"type":"x","order":1,"pct":0,"resources":[]},{"id":507,"title":"No \u2014 every update should be tested before deployment.","votes":0,"type":"x","order":2,"pct":0,"resources":[]},{"id":508,"title":"Only critical vulnerabilities should auto-install.","votes":0,"type":"x","order":3,"pct":0,"resources":[]},{"id":509,"title":"I patch when Reddit starts panicking.","votes":1,"type":"x","order":4,"pct":100,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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87

Debian 7: DSA-3024-1 Critical: GnuPG Elgamal Side-Channel Attack

Genkin, Pipman and Tromer discovered a side-channel attack on Elgamal encryption subkeys (CVE-2014-5270). In addition, this update hardens GnuPG's behaviour when treating . - ------------------------------------------------------------------------- Debian Security Advisory DSA-3024-1 This email address is being protected from spambots. You need JavaScript enabled to view it. http://www.debian.org/security/ Thijs Kinkhorst September 11, 2014 http://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : gnupg CVE ID : CVE-2014-5270 Debian Bug : 725411 Genkin, Pipman and Tromer discovered a side-channel attack on Elgamal encryption subkeys (CVE-2014-5270). In addition, this update hardens GnuPG's behaviour when treating keyserver responses; GnuPG now filters keyserver responses to only accepts those keyid's actually requested by the user. For the stable distribution (wheezy), this problem has been fixed in version 1.4.12-7+deb7u6. For the testing (jessie) and unstable distribution (sid), this problem has been fixed in version 1.4.18-4. We recommend that you upgrade your gnupg packages. Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. . Patch release for OpenSSL countering RSA key leakage. Ensure you update your versions promptly for protection.. GnuPG Update, Debian Security, Side-Channel Attack, Elgamal Encryption. . Severity: Critical. LinuxSecurity.com Team

Calendar%202 Sep 11, 2014 Critical Debian
91

Gentoo Libgcrypt GLSA-201408-10 Normal: ElGamal Key Extraction Risk

A vulnerability in Libgcrypt could allow a remote attacker to extract ElGamal private key information.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201408-10 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Libgcrypt: Side-channel attack Date: August 29, 2014 Bugs: #519396 ID: 201408-10 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======= A vulnerability in Libgcrypt could allow a remote attacker to extract ElGamal private key information. Background ========= Libgcrypt is a general purpose cryptographic library derived out of GnuPG. Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-libs/libgcrypt < 1.5.4 > = 1.5.4 Description ========== A vulnerability in the implementation of ElGamal decryption procedures of Libgcrypt leaks information to various side-channels. Impact ===== A physical side-channel attack allows a remote attacker to fully extract decryption keys during the decryption of a chosen ciphertext. Workaround ========= There is no known workaround at this time. Resolution ========= All Libgcrypt users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose "> =dev-libs/libgcrypt-1.5.4" References ========= [ 1 ] CVE-2014-5270 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-5270 Availability =========== This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201408-10 Concerns? ======== Security is a primary focusof Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to This email address is being protected from spambots. You need JavaScript enabled to view it. or alternatively, you may file a bug at https://bugs.gentoo.org. License ====== Copyright 2014 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. https://creativecommons.org/licenses/by-sa/2.5/ . A vulnerability in Libgcrypt allows side-channel attacks to unveil ElGamal keys. It is critical to update to version 1.5.4 or later without delay to ensure system security.. libgcrypt, encryption attack, gentoo advisory, side-channel threat, key extraction issue. . LinuxSecurity.com Team

Calendar%202 Aug 29, 2014 Gentoo
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Community Poll

Should Linux servers automatically install security updates?

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/main-polls/157-should-linux-servers-automatically-install-security-updates?task=poll.vote&format=json
157
radio
0
[{"id":506,"title":"Yes \u2014 critical security patches should install automatically.","votes":0,"type":"x","order":1,"pct":0,"resources":[]},{"id":507,"title":"No \u2014 every update should be tested before deployment.","votes":0,"type":"x","order":2,"pct":0,"resources":[]},{"id":508,"title":"Only critical vulnerabilities should auto-install.","votes":0,"type":"x","order":3,"pct":0,"resources":[]},{"id":509,"title":"I patch when Reddit starts panicking.","votes":1,"type":"x","order":4,"pct":100,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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