Linux Security
Linux Security
Linux Security

Debian: New gnupg packages fix signature forgery

Date 13 Mar 2007
Posted By LinuxSecurity Advisories
Updated package.
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Debian Security Advisory DSA 1266-1                    This email address is being protected from spambots. You need JavaScript enabled to view it.                         Moritz Muehlenhoff
March 13th, 2007              
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Package        : gnupg
Vulnerability  : several
Problem-Type   : local(remote)
Debian-specific: no
CVE ID         : CVE-2007-1263
Debian Bug     : 413922 414170

Gerardo Richarte discovered that GnuPG, a free PGP replacement, provides
insufficient user feedback if an OpenPGP message contains both unsigned
and signed portions. Inserting text segments into an otherwise signed
message could be exploited to forge the content of signed messages.
This update prevents such attacks; the old behaviour can still be
activated by passing the --allow-multiple-messages option.

For the stable distribution (sarge) these problems have been fixed in
version 1.4.1-1.sarge7.

For the upcoming stable distribution (etch) these problems have been
fixed in version 1.4.6-2.

For the unstable distribution (sid) these problems have been fixed in
version 1.4.6-2.

We recommend that you upgrade your gnupg packages.

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:      680 7f02659abf22fc4d8cd5537d3cd88d64
      Size/MD5 checksum:    24290 3baa58f381c8508e8826b11625e4719d
      Size/MD5 checksum:  4059170 1cc77c6943baaa711222e954bbd785e5

  Alpha architecture:
      Size/MD5 checksum:  2156494 f6a5a926159e22ff1b915b578aee79e9

  AMD64 architecture:
      Size/MD5 checksum:  1963978 071d87e7ca69d520cbf0993e90a26b0c

  ARM architecture:
      Size/MD5 checksum:  1900000 607cd3b74c53945b6345594490ae09e7

  HP Precision architecture:
      Size/MD5 checksum:  2004634 f3d85ad41dc35f203d655962f2f19f0f

  Intel IA-32 architecture:
      Size/MD5 checksum:  1909476 fe9933fd968ae8242f26094e1314ce1b

  Intel IA-64 architecture:
      Size/MD5 checksum:  2326178 e082e9a2b0ec22089a9a2e37a7d49b55

  Motorola 680x0 architecture:
      Size/MD5 checksum:  1811574 a778d48de1b914fbaf9132d707f3980e

  Big endian MIPS architecture:
      Size/MD5 checksum:  2001516 b3894d73eaa453aa16cce7963a94d169

  Little endian MIPS architecture:
      Size/MD5 checksum:  2008140 30692827e1d8b0877d73dcf555b56d57

  PowerPC architecture:
      Size/MD5 checksum:  1958420 8ccf53ca0a1b4afeffedd6df10067ddc

  IBM S/390 architecture:
      Size/MD5 checksum:  1967612 6baf699e3108a6a97bdb8ffb26e67bae

  Sun Sparc architecture:
      Size/MD5 checksum:  1897992 2b92e27ded545d9e1d89a7b2e89b5459

  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
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