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Debian: pcal arbitrary code execution fix Print E-mail
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Posted by Joe Shakespeare   
Debian Danny Lungstrom discovered two buffer overflows in pcal, a program to generate Postscript calendars, that could lead to the execution of arbitrary code when compiling a calendar.

Debian Security Advisory DSA 625-1                                        Martin Schulze
January 5th, 2004             

Package        : pcal
Vulnerability  : buffer overflows
Problem-Type   : local
Debian-specific: no
CVE ID         : CAN-2004-1289
Debian Bug     : 287039

Danny Lungstrom discovered two buffer overflows in pcal, a program to
generate Postscript calendars, that could lead to the execution of
arbitrary code when compiling a calendar.

For the stable distribution (woody) these problems have been fixed in
version 4.7-8woody1.

For the unstable distribution (sid) these problems have been fixed in
version 4.8.0-1.

We recommend that you upgrade your pcal package.

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 3.0 alias woody

  Source archives:
      Size/MD5 checksum:      567 084db6ff500acb07787520fbe64fe55c
      Size/MD5 checksum:     9241 dfead422c9e896806a1f3d6bf27906cd
      Size/MD5 checksum:   244559 1c3a5694c465e702795ba53dbbb1f412

  Alpha architecture:
      Size/MD5 checksum:   124958 4bd681850f08a22ff4e2b409c74d34fc

  ARM architecture:
      Size/MD5 checksum:   110892 01e26a1ae460e156debbc26f2657048a

  Intel IA-32 architecture:
      Size/MD5 checksum:   107250 a487a36516ae170cab2c60370352b4ad

  Intel IA-64 architecture:
      Size/MD5 checksum:   139992 66232d332593c1b9a1b1bdbe839f3327

  HP Precision architecture:
      Size/MD5 checksum:   121282 ee138b5220ff6caf4f6ecd30f4539037

  Motorola 680x0 architecture:
      Size/MD5 checksum:   104702 e9930289c67b6d611e51ef954724f5b4

  Big endian MIPS architecture:
      Size/MD5 checksum:   119802 1ea25df3c512c07249fff7b6e2d08ad9

  Little endian MIPS architecture:
      Size/MD5 checksum:   119766 d3c55f4e572337088ebe5cc2753e2a20

  PowerPC architecture:
      Size/MD5 checksum:   116472 034b734141ee6804d4b2f54fbba70724

  IBM S/390 architecture:
      Size/MD5 checksum:   109908 76455e1b97a3ba92aafcdee086916f98

  Sun Sparc architecture:
      Size/MD5 checksum:   112900 a705775dedf8d2918f1016d884db48ad

  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:
Package info: `apt-cache show ' and

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