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Debian alert DSA-2894-1 (openssh)

From:  Salvatore Bonaccorso <>
Subject:  [SECURITY] [DSA 2894-1] openssh security update
Date:  Sat, 05 Apr 2014 15:06:01 +0000
Message-ID:  <>

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian Security Advisory DSA-2894-1 Salvatore Bonaccorso April 05, 2014 - ------------------------------------------------------------------------- Package : openssh CVE ID : CVE-2014-2532 CVE-2014-2653 Debian Bug : 742513 Two vulnerabilities were discovered in OpenSSH, an implementation of the SSH protocol suite. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2014-2532 Jann Horn discovered that OpenSSH incorrectly handled wildcards in AcceptEnv lines. A remote attacker could use this issue to trick OpenSSH into accepting any environment variable that contains the characters before the wildcard character. CVE-2014-2653 Matthew Vernon reported that if a SSH server offers a HostCertificate that the ssh client doesn't accept, then the client doesn't check the DNS for SSHFP records. As a consequence a malicious server can disable SSHFP-checking by presenting a certificate. Note that a host verification prompt is still displayed before connecting. For the oldstable distribution (squeeze), these problems have been fixed in version 1:5.5p1-6+squeeze5. For the stable distribution (wheezy), these problems have been fixed in version 1:6.0p1-4+deb7u1. For the unstable distribution (sid), these problems have been fixed in version 1:6.6p1-1. We recommend that you upgrade your openssh packages. Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: Mailing list: -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBCgAGBQJTQBt1AAoJEAVMuPMTQ89EW6wP/16+vX4eonWhIwSikUV4YlRY XolJsgh/fnbADeNxB36jJYfBsHo+0+lFRhOlyy6KKT/DR5CvLYAhmd7cTdkAG7Jz glnnxdAcE7sTwOEwo0sAXuR7zLmf+R6I2gfhqCpbcekNVrlELaZ1aLPdy/hZKYiY wFjgEx5o7QrD6awm0I6xQvl6mOL4Jn3mbWY/GLl78kF6aT46HQqHfvf47kTnEnNe AcLSxGuEQ31g5rbk0ResapwHKrijvxi0HYYOCtapovLdDA6kPTO372ZjAtYWEcCh rfGlwGwJfrh9XxLP6qpnUsGdT6pfrzw3tbz4gmXGIceWGKsMwlf7nt8wc1apw9wd 8+SitIvj+2oTIo1Uq7e2fgf4U8H8J9QO3qW1xksCezIwsVNjGYfrRYJJ7/RW951Z YAvd4943+k6jc5rHCNXzU1gRmJuoVqbXSUMx5+2URDfrUwg4V7DayfP3gbVkolBl cFDpiikLwjtrRJxq/lzT6H8lx0mr+znSrTOpLdmCPR04dskavLgTtiwXfTKT/VgI BlTG7L323dg5b0ft8IDI3rTHZCyojq8sCddAsNjjiHjCODFduiNjk2fthcCroOm7 OX4UwW2jKJK97v528nOwi2gSU3O+p6057sBjJOvt8kzE4e78pKSGiVs2PW8qbN8c e795KU5lGqlsdH4F7cZP =LT3M -----END PGP SIGNATURE----- -- To UNSUBSCRIBE, email to with a subject of "unsubscribe". Trouble? Contact Archive:

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