Linux Security
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    Linux Security

    Debian: new openssl096 packages fix denial of service

    Date 10 Oct 2006
    Posted By LinuxSecurity Advisories
    Updated package.
    - ------------------------------------------------------------------------
    Debian Security Advisory DSA-1195-1                This email address is being protected from spambots. You need JavaScript enabled to view it.                         Noah Meyerhans
    October 10, 2006
    - ------------------------------------------------------------------------
    Package        : openssl096
    Vulnerability  : denial of service (multiple)
    Problem-Type   : remote
    Debian-specific: no
    CVE ID         : CVE-2006-2940 CVE-2006-3738 CVE-2006-4343
    Multiple vulnerabilities have been discovered in the OpenSSL
    cryptographic software package that could allow an attacker to launch
    a denial of service attack by exhausting system resources or crashing
    processes on a victim's computer.
            Tavis Ormandy and Will Drewry of the Google Security Team
            discovered a buffer overflow in SSL_get_shared_ciphers utility
            function, used by some applications such as exim and mysql.  An
            attacker could send a list of ciphers that would overrun a
            Tavis Ormandy and Will Drewry of the Google Security Team
            discovered a possible DoS in the sslv2 client code.  Where a
            client application uses OpenSSL to make a SSLv2 connection to
            a malicious server that server could cause the client to
            Dr S N Henson of the OpenSSL core team and Open Network
            Security recently developed an ASN1 test suite for NISCC
            ( When the test suite was run against
            OpenSSL a DoS was discovered.
            Certain types of public key can take disproportionate amounts
            of time to process. This could be used by an attacker in a
            denial of service attack.
    For the stable distribution (sarge) these problems have been fixed in
    version 0.9.6m-1sarge4
    This package exists only for compatibility with older software, and is
    not present in the unstable or testing branches of Debian.
    We recommend that you upgrade your openssl096 package.  Note that
    services linking against the openssl shared libraries will need to be
    restarted. Common examples of such services include most Mail
    Transport Agents, SSH servers, and web servers.
    Upgrade instructions
    - --------------------
    wget url
            will fetch the file for you
    dpkg -i file.deb
            will install the referenced file.
    If you are using the apt-get package manager, use the line for
    sources.list as given below:
    apt-get update
            will update the internal database
    apt-get upgrade
            will install corrected packages
    You may use an automated update by adding the resources from the
    footer to the proper configuration.
    Debian 3.1 (stable)
    - -------------------
    Stable updates are available for alpha, amd64, arm, hppa, i386, ia64, m68k, mips, mipsel, powerpc, s390 and sparc.
    Source archives:
        Size/MD5 checksum:    21115 9019caf796eb866f24d5949503b1cdb5
        Size/MD5 checksum:  2184918 1b63bfdca1c37837dddde9f1623498f9
        Size/MD5 checksum:      617 7d60c6c3ecdf502734068ab2a8b32118
    alpha architecture (DEC Alpha)
        Size/MD5 checksum:  1966534 9f78dcc0f9685641a7fc3d927370d819
    amd64 architecture (AMD x86_64 (AMD64))
        Size/MD5 checksum:   578632 f1574a0058e85cb0e2c6cff996530c97
    arm architecture (ARM)
        Size/MD5 checksum:   519304 66fa4a65d803f0115dd80d5359944a2d
    hppa architecture (HP PA RISC)
        Size/MD5 checksum:   587946 353d46f3351d5a19dfdaf22f605fc627
    i386 architecture (Intel ia32)
        Size/MD5 checksum:  1756270 2747688d91dfe1cd00430a74bdef6265
    ia64 architecture (Intel ia64)
        Size/MD5 checksum:   815662 45a5b6503ed631149fea28b37a980e21
    m68k architecture (Motorola Mc680x0)
        Size/MD5 checksum:   477288 da4ddff773fd7d6af0604363719b368a
    mips architecture (MIPS (Big Endian))
        Size/MD5 checksum:   577284 d2bf3c9d86dbba15bbb9d1cb93a6fc51
    mipsel architecture (MIPS (Little Endian))
        Size/MD5 checksum:   569246 75d69f033f833b7928a8ca521efb95ea
    powerpc architecture (PowerPC)
        Size/MD5 checksum:   582928 72be71aae8b781ca5a7b1d1b2e738541
    s390 architecture (IBM S/390)
        Size/MD5 checksum:   602874 e671b41d37d34b7d2055eaca112be269
    sparc architecture (Sun SPARC/UltraSPARC)
        Size/MD5 checksum:  1460162 acfb3e17f005c32268fa1def17ea884b
      These files will probably be moved into the stable distribution on
      its next update.
    - ---------------------------------------------------------------------------------
    For apt-get: deb stable/updates main
    For dpkg-ftp: dists/stable/updates/main
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.

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