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Debian: New dhcpcd packages fix denial of service Print E-mail
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Posted by Benjamin D. Thomas   
Debian dhcpcd, a DHCP client for automatically configuring IPv4 networking, can be tricked into reading past the end of the supplied DHCP buffer which could lead to the daemon crashing.
- --------------------------------------------------------------------------
Debian Security Advisory DSA 750-1                                        Martin Schulze
July 11th, 2005               
- --------------------------------------------------------------------------

Package        : dhcpcd
Vulnerability  : out-of-bound memory access
Problem-Type   : remote
Debian-specific: no
CVE ID         : CAN-2005-1848

"infamous42md" discovered that dhcpcd, a DHCP client for automatically
configuring IPv4 networking, can be tricked into reading past the end
of the supplied DHCP buffer which could lead to the daemon crashing.

The old stable distribution (woody) is not affected by this problem.

For the stable distribution (sarge) this problem has been fixed in
version 1.3.22pl4-21sarge1.

For the unstable distribution (sid) this problem has been fixed in
version 1.3.22pl4-22.

We recommend that you upgrade your dhcpcd 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 3.1 alias sarge
- --------------------------------

  Source archives:
      Size/MD5 checksum:      592 b6f08de07c771dfa88ee4c2da213c8ef
      Size/MD5 checksum:    44718 bde490fd50bea65991eff869db8cb947
      Size/MD5 checksum:   148273 59669a4110a2061f05c1c6fa6171bed2

  Alpha architecture:
      Size/MD5 checksum:    70610 6bd6b7a893cee910bdb9cc146382f042

  ARM architecture:
      Size/MD5 checksum:    61322 066e0c5510629d03a56261c60e3ffeda

  Intel IA-32 architecture:
      Size/MD5 checksum:    57394 1b376dc7cc9db55598fa231e848576e0

  Intel IA-64 architecture:
      Size/MD5 checksum:    78624 31cc80567333e8538ec516cdb3986e1d

  HP Precision architecture:
      Size/MD5 checksum:    64312 f3558fc2bfdc41d27596f5c02aab4765

  Motorola 680x0 architecture:
      Size/MD5 checksum:    55526 36c9b163754358f111d340b150d46f7a

  Big endian MIPS architecture:
      Size/MD5 checksum:    62664 e624f951d018d069ef84757985f4c33e

  Little endian MIPS architecture:
      Size/MD5 checksum:    62868 0c20a5f40098c62423c21ec50bb054de

  PowerPC architecture:
      Size/MD5 checksum:    59848 f2763a581130fec32fe15f37aabe0168

  IBM S/390 architecture:
      Size/MD5 checksum:    59668 1549b23d2e50886cbaa5848961c64745

  Sun Sparc architecture:
      Size/MD5 checksum:    61234 ff9565a968d5d57f8ece62fcadfeeca7

  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:
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