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TUCoPS :: Linux :: Apps N-Z :: dsa175-1.txt

syslog-ng buffer overflow




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Debian Security Advisory DSA 175-1                     security@debian.org
http://www.debian.org/security/                             Martin Schulze
October 15th, 2002                      http://www.debian.org/security/faq
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Package        : syslog-ng
Vulnerability  : buffer overflow
Problem-Type   : remote
Debian-specific: no

Péter Höltzl discovered a problem in the way syslog-ng handles macro
expansion.  When a macro is expanded a static length buffer is used
accompanied by a counter.  However, when constant chharacters are
appended, the counter is not updated properly, leading to incorrect
boundary checking.  An attacker may be able to use specially crafted
log messages inserted via UDP which overflows the buffer.

This problem has been fixed in version 1.5.15-1.1 for the current
stable distribution (woody), in version 1.4.0rc3-3.2 for the old
stable distribution (potato) and version 1.5.21-1 for the unstable
distribution (sid).

We recommend that you upgrade your syslog-ng package immediately.

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
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  Source archives:

    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.4.0rc3-3.2.dsc
      Size/MD5 checksum:      613 6aa0985c45358530b6886edfb40ba55d
    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.4.0rc3-3.2.diff.gz
      Size/MD5 checksum:     6027 e192d859ae8f6aa077d22a9ceaf1db3d
    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.4.0rc3.orig.tar.gz
      Size/MD5 checksum:   341571 55bc706dec2da38549a620232ff1bb31

  Alpha architecture:

    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.4.0rc3-3.2_alpha.deb
      Size/MD5 checksum:   129784 e2762d2dec84fc5dbc8eb4519b5c73d2

  ARM architecture:

    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.4.0rc3-3.2_arm.deb
      Size/MD5 checksum:   117054 584fe115716f8088d009e7fbf211e181

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.4.0rc3-3.2_i386.deb
      Size/MD5 checksum:   116240 720bb0fb394521f3c4b9de13ca3455e4

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.4.0rc3-3.2_m68k.deb
      Size/MD5 checksum:   114184 bf81d26e9c551ec8476593ae893428f8

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.4.0rc3-3.2_powerpc.deb
      Size/MD5 checksum:   118396 d495b080190766e4fea35c84a8477b89

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.4.0rc3-3.2_sparc.deb
      Size/MD5 checksum:   118796 a72511e779c6df6cea40cce201dedcee


Debian GNU/Linux 3.0 alias woody
- --------------------------------

  Source archives:

    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.5.15-1.1.dsc
      Size/MD5 checksum:      622 40cf5863ad2f2403c6c53c13f6604d55
    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.5.15-1.1.diff.gz
      Size/MD5 checksum:    14228 b36ccf10e4b01c299a778c472caeae18
    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.5.15.orig.tar.gz
      Size/MD5 checksum:   424780 1b862a2445e507a4a9e0b14fba537bf5

  Alpha architecture:

    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.5.15-1.1_alpha.deb
      Size/MD5 checksum:   170560 19b3612cffaa649584794f439d17181b

  ARM architecture:

    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.5.15-1.1_arm.deb
      Size/MD5 checksum:   156408 68a75202df1355fdef3a5dd3d6aea56b

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.5.15-1.1_i386.deb
      Size/MD5 checksum:   155318 88806f9e5f6e81bea811a119b1c236e8

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.5.15-1.1_ia64.deb
      Size/MD5 checksum:   184208 dd66fec7aa9c3a0a5a23bce501c5a2af

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.5.15-1.1_hppa.deb
      Size/MD5 checksum:   166202 855cd75ca68ec05884413d0a4b19a082

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.5.15-1.1_m68k.deb
      Size/MD5 checksum:   152972 b2b37080d1f3b65eeb6e1ea79b9723f0

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.5.15-1.1_mips.deb
      Size/MD5 checksum:   166542 b4ffca280166d9d1a3803767cdb1bf2e

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.5.15-1.1_mipsel.deb
      Size/MD5 checksum:   166366 0a22250a65cf8482282d108f5a025979

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.5.15-1.1_powerpc.deb
      Size/MD5 checksum:   158552 60dca2cae96943bdeb1a7a0f67357213

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.5.15-1.1_s390.deb
      Size/MD5 checksum:   157030 212aea49a5421f190791b70a82655d38

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/s/syslog-ng/syslog-ng_1.5.15-1.1_sparc.deb
      Size/MD5 checksum:   158748 b87b65c970a2ab191f6b86a59ce1aa1f


  These files will probably be moved into the stable distribution on
  its next revision.

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For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>

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