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Date: Thu, 12 Mar 2015 18:50:45 +0100 (CET) From: Thijs Kinkhorst <thijs@...ian.org> To: bugtraq@...urityfocus.com Subject: [SECURITY] [DSA 3184-1] gnupg security update -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 - ------------------------------------------------------------------------- Debian Security Advisory DSA-3184-1 security@...ian.org http://www.debian.org/security/ Alessandro Ghedini March 12, 2015 http://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : gnupg CVE ID : CVE-2014-3591 CVE-2015-0837 CVE-2015-1606 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 stable distribution (wheezy), these problems have been fixed in version 1.4.12-7+deb7u7. For the upcoming stable distribution (jessie), these problems have been fixed in version 1.4.18-7. For the unstable distribution (sid), these problems have been fixed in version 1.4.18-7. 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: debian-security-announce@...ts.debian.org -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAEBCAAGBQJVAdGHAAoJEFb2GnlAHawEJp4IAI50qDF5+QdQQ/1cvcP1tqda H9QOu6omsKtiXtyTKQnoRfDmZ6dKblWdJMfH9cK9bfoziixwTTkol374u0xuTucY MW6x08InvELESJKrgGvnnoj+g3xAvHDBOt0BXcL9tBYV81ZzaHBCS75VwwMwHD8n B3mErX24JpnTH0Y2C4xAi+SuQ74KasB9FGSz3aAbrkvpwTEOumtLc9NG4mROjRXg ARRJRIQv+PZ8VW2/vImoMiuAgALRttREtoVbaRoKOg8if/r9g49Ix28QFxrfJV7x P2CaHXLfdcJq5oPuRltJK7vXmQUYwbgQAzv2Xmy0350HzfQcTTvBUFbld2Nd9dE= =TLCo -----END PGP SIGNATURE-----
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