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MeeGo alert MeeGo-SA-10:28 (openssl)

From:  "Ware, Ryan R" <>
To:  "" <>
Subject:  [MeeGo-security] [MeeGo-SA-10:28.openssl] Double Free in OpenSSL Allows DoS or Code Execution
Date:  Tue, 18 Jan 2011 20:54:14 -0700
Message-ID:  <>
Archive-link:  Article, Thread

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ============================================================================= MeeGo-SA-10:28.openssl Security Advisory MeeGo Project Topic: Double Free in OpenSSL Allows DoS or Code Execution Category: Encryption Module: openssl Announced: September 3, 2010 Affects: MeeGo 1.0 Corrected: September 3, 2010 MeeGo BID: 5668 CVE: CVE-2010-2939 For general information regarding MeeGo Security Advisories, including descriptions of the fields above, security branches, and the following sections, please visit <URL:>. I. Background The OpenSSL toolkit provides support for secure communications between machines. OpenSSL includes a certificate management tool and shared libraries which provide various cryptographic algorithms and protocols. II. Problem Description CVE-2010-2939: Double free vulnerability in the ssl3_get_key_exchange function in the OpenSSL client (ssl/s3_clnt.c) in OpenSSL 1.0.0a, 0.9.8, 0.9.7, and possibly other versions, when using ECDH, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted private key with an invalid prime. NOTE: some sources refer to this as a use-after-free issue. CVSS v2 Base: 4.3 (MEDIUM) Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism III. Impact CVE-2010-2939: Disruption of service and other unknown issues due to resource management errors (CWE-399) IV. Workaround None V. Solution Update to package openssl-0.9.8m-3.1 or later. VI. References -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.16 (Darwin) iQEcBAEBAgAGBQJNNlsWAAoJEEsJm1wYvCMbdtYH/2pR2E38sph0o/FsnvicgYUr Hs7I6nhtEB4UN9AY5oAPM7BulvBivIZsvrCIC/hAJ2JJfGsRSSlOA3QKngi7t7xQ SBAgXihwuqd8s81q/sle3gyLTIzfwb+9voK6IfZd+PjUQzx4bdkWNY2AYESt2U3z rMtuXgvTxbzJdqg6kSY2T0avupX/yBoXw80VNeYG3FAiPpIRvHsy50RaAry+mQ76 gvgSApVAnYofIlpF1Am9hTnSwqi6A3ooDCrZEkpN7tugMZouEGhVXFV6AwiRAvtn 9SjVPfY+V2CzSPHWT0AfnlroxmeiaN5jbchA3Gt9w6yzD8N7dcUCeiUCS+Zen1A= =OqHp -----END PGP SIGNATURE----- _______________________________________________ MeeGo-security mailing list

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