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List:       ubuntu-security-announce
Subject:    [USN-75-1] cpio vulnerability
From:       martin.pitt () canonical ! com (Martin Pitt)
Date:       2005-02-04 4:25:41
Message-ID: 20050204102345.GA1589 () box79162 ! elkhouse ! de
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===========================================================
Ubuntu Security Notice USN-75-1		  February 04, 2005
cpio vulnerability
CAN-1999-1572
===========================================================

A security issue affects the following Ubuntu releases:

Ubuntu 4.10 (Warty Warthog)

The following packages are affected:

cpio

The problem can be corrected by upgrading the affected package to
version 2.5-1.1ubuntu0.1.  In general, a standard system upgrade is
sufficient to effect the necessary changes.

Details follow:

Recently it was discovered that cpio created world-writeable files
when used in -o/--create mode with giving an output file (with -O).
This allowed any user to modify the created cpio archives. Now cpio
respects the current umask setting of the user.

Note: This vulnerability has already been fixed in a very old version
of cpio, but the fix was never ported to the current version.
Therefore the CAN number was assigned to the year 1999.

  Source archives:

    http://security.ubuntu.com/ubuntu/pool/main/c/cpio/cpio_2.5-1.1ubuntu0.1.diff.gz
      Size/MD5:    26221 3ca615bf2f07f822aeed0f0a7261b189
    http://security.ubuntu.com/ubuntu/pool/main/c/cpio/cpio_2.5-1.1ubuntu0.1.dsc
      Size/MD5:      551 608c00fb079a716aaa0cd22ecb3481b0
    http://security.ubuntu.com/ubuntu/pool/main/c/cpio/cpio_2.5.orig.tar.gz
      Size/MD5:   185480 e02859af1bbbbd73fcbf757acb57e0a4

  amd64 architecture (Athlon64, Opteron, EM64T Xeon)

    http://security.ubuntu.com/ubuntu/pool/main/c/cpio/cpio_2.5-1.1ubuntu0.1_amd64.deb
  Size/MD5:    68180 4a4263672519f5b84d251ea80c7647cb

  i386 architecture (x86 compatible Intel/AMD)

    http://security.ubuntu.com/ubuntu/pool/main/c/cpio/cpio_2.5-1.1ubuntu0.1_i386.deb
      Size/MD5:    63608 a2c9334648f310639fc23b641abf81c0

  powerpc architecture (Apple Macintosh G3/G4/G5)

    http://security.ubuntu.com/ubuntu/pool/main/c/cpio/cpio_2.5-1.1ubuntu0.1_powerpc.deb
  Size/MD5:    67190 0e150800f5b5b95f2c1d6516138c3c0c
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