Linux Security
    Linux Security
    Linux Security

    Debian: CVS double free vulnerability

    Date 21 Jan 2003
    Posted By LinuxSecurity Advisories
    On servers which are configured to allow anonymous read-only access, this bug could be used by anonymous users to gain write privileges.
    - --------------------------------------------------------------------------
    Debian Security Advisory DSA 233-1                     This email address is being protected from spambots. You need JavaScript enabled to view it.                             Martin Schulze
    January 21st, 2003             
    - --------------------------------------------------------------------------
    Package        : cvs
    Vulnerability  : doubly freed memory
    Problem-Type   : remote
    Debian-specific: no
    CVE Id         : CAN-2003-0015
    Stefan Esser discovered a problem in cvs, a concurrent versions
    system, which is used for many Free Software projects.  The current
    version contais a flaw that can be used by a remote attacker to
    execute arbitrary code on the CVS server under the user id the CVS
    server runs as.  Anonymous read-only access is sufficient to exploit
    this problem.
    For the stable distribution (woody) this problem has been
    fixed in version 1.11.1p1debian-8.1.
    For the old stable distribution (potato) this problem has been fixed
    in version 1.10.7-9.2.
    For the unstable distribution (sid) this problem will be fixed soon.
    We recommend that you upgrade your cvs package immediately.
    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 GNU/Linux 2.2 alias potato
    - ---------------------------------
      Source archives:
          Size/MD5 checksum:      582 5c3493da60574f2d207376ffc8023964
          Size/MD5 checksum:    35717 76d1e80427b67945e2b10c4bd449b1b7
          Size/MD5 checksum:  2312181 614e72d2a6dff40f3f5bec2e9be270f2
      Architecture independent components:
          Size/MD5 checksum:   875428 d7a1b05fc60c8524077b41abef40be82
      Alpha architecture:
          Size/MD5 checksum:   559820 6d27ca86cf46ffdec1ff9ca0710c74d2
      ARM architecture:
          Size/MD5 checksum:   474478 93283c96da77a7c2906576632ff1f666
      Intel IA-32 architecture:
          Size/MD5 checksum:   455974 32924918a5a027f287c1fff64139aa98
      Motorola 680x0 architecture:
          Size/MD5 checksum:   434776 df8c02b15a87bec5658d88e913bb0617
      PowerPC architecture:
          Size/MD5 checksum:   484070 78114da539eb4db94d5be1b77e6f1145
      Sun Sparc architecture:
          Size/MD5 checksum:   476174 159dc8aefaffe14e4188efc9efae1b1a
    Debian GNU/Linux 3.0 alias woody
    - --------------------------------
      Source archives:
          Size/MD5 checksum:      687 3bd481f023c7d48ebf940f18f7c33676
          Size/MD5 checksum:    46985 f82269f5699a64b3c8a1836f4307d5b1
          Size/MD5 checksum:  2621658 500965ab9702b31605f8c58aa21a6205
      Alpha architecture:
          Size/MD5 checksum:  1177920 eed3c107f8156965a2648ff6bc57ea1a
      ARM architecture:
          Size/MD5 checksum:  1104340 6d55d5b6013029726f33d27f756e8232
      Intel IA-32 architecture:
          Size/MD5 checksum:  1085010 db4c58e92bfdc56730c14df95ba8fab8
      Intel IA-64 architecture:
          Size/MD5 checksum:  1269590 4cea089453af0476f3c304a9c0055092
      HP Precision architecture:
          Size/MD5 checksum:  1146366 157380627dc8e7e8c0cc3d6510bb8c85
      Motorola 680x0 architecture:
          Size/MD5 checksum:  1064640 c31eb6a3f549f1e3f88ce334895e5e28
      Big endian MIPS architecture:
          Size/MD5 checksum:  1128826 73112b82d7c2a1bb36bee6f172809e00
      Little endian MIPS architecture:
          Size/MD5 checksum:  1130112 f358566006b1ee33a1872c9e485e1ce1
      PowerPC architecture:
          Size/MD5 checksum:  1115310 9cce0571143b2bdf118b7e215d6aaa5e
      IBM S/390 architecture:
          Size/MD5 checksum:  1096250 74df925521a9fb91bc9dfef9dce15e1a
      Sun Sparc architecture:
          Size/MD5 checksum:  1106098 d69a55f754484761aebc67a723b81aa6
      These files will probably be moved into the stable distribution on
      its next revision.
    - ---------------------------------------------------------------------------------
    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.
    Package info: `apt-cache show ' and

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