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Debian: 'apache/apache-ssl' input validation vulnerability Print E-mail
User Rating:      How can I rate this item?
Posted by LinuxSecurity.com Team   
Debian By placing a custom crafted request to the Apache server consisting of a long path name created artificially by using numerous slashes, this can cause these modules to misbehave, making it possible to escape the error page, and gain a listing of the directory contents.

------------------------------------------------------------------------
Debian Security Advisory DSA-067-1                   security@debian.org 
http://www.debian.org/security/                    Robert van der Meulen
July 28, 2001
------------------------------------------------------------------------


Package         : apache,apache-ssl
Problem type    : remote exploit
Debian-specific : no

We have received reports that the 'apache' http daemon, as included in
the Debian 'stable' distribution, is vulnerable to the 'artificially
long slash path directory listing vulnerability' as described in 
http://www.securityfocus.com/vdb/bottom.html?vid=2503 .

This vulnerability was announced to bugtraq by Dan Harkless.

Quoting the SecurityFocus entry for this vulnerability:

 A problem in the package could allow directory indexing, and path
 discovery. In a default configuration, Apache enables mod_dir,
 mod_autoindex, and mod_negotiation. However, by placing a custom crafted
 request to the Apache server consisting of a long path name created
 artificially by using numerous slashes, this can cause these modules to
 misbehave, making it possible to escape the error page, and gain a listing
 of the directory contents.

 This vulnerability makes it possible for a malicious remote user to launch
 an information gathering attack, which could potentially result in
 compromise of the system. Additionally, this vulnerability affects all
 releases of Apache previous to 1.3.19.

This problem has been fixed in apache-ssl 1.3.9-13.3 and apache_1.3.9-14.
We recommend that you upgrade your packages immediately.

wget url
        will fetch the file for you
dpkg -i file.deb
        will install the referenced file.


Debian GNU/Linux 2.2 alias potato
- ---------------------------------

  Potato was released for alpha, arm, i386, m68k, powerpc and sparc.

apache:

  Source archives:
     http://security.debian.org/dists/stable/updates/main/source/apache_1.3.9-14.diff.gz
      MD5 checksum: c4515c4e215fa0043bc19cb12504d1e5
     http://security.debian.org/dists/stable/updates/main/source/apache_1.3.9-14.dsc
      MD5 checksum: cbf0274782ebcf4ff23557c87b587e35
     http://security.debian.org/dists/stable/updates/main/source/apache_1.3.9.orig.tar.gz
      MD5 checksum: 6758fe8b931be0b634b6737d9debf703

  Alpha architecture:
     http://security.debian.org/dists/stable/updates/main/binary-alpha/apache-common_1.3.9-14_alpha.deb
      MD5 checksum: c5dafed71fb298494f650ba985459abb
     http://security.debian.org/dists/stable/updates/main/binary-alpha/apache-dev_1.3.9-14_alpha.deb
      MD5 checksum: ab4e227138fe2a23c0305d7dbd04dd45
     http://security.debian.org/dists/stable/updates/main/binary-alpha/apache_1.3.9-14_alpha.deb
      MD5 checksum: d7aadb0431928b73808421cb45063f0b

  ARM architecture:
     http://security.debian.org/dists/stable/updates/main/binary-arm/apache-common_1.3.9-14_arm.deb
      MD5 checksum: ef7dbf50f00ca0d5ae1059ce54ddbd32
     http://security.debian.org/dists/stable/updates/main/binary-arm/apache-dev_1.3.9-14_arm.deb
      MD5 checksum: 0ba560cbab616963b14a3f69b96b7c14
     http://security.debian.org/dists/stable/updates/main/binary-arm/apache_1.3.9-14_arm.deb
      MD5 checksum: 39356bbfe86465d3f4ee0d70b802cb19

  Intel IA-32 architecture:
     http://security.debian.org/dists/stable/updates/main/binary-i386/apache-common_1.3.9-14_i386.deb
      MD5 checksum: 10e72df77f3f80966ab64e7894c341ac
     http://security.debian.org/dists/stable/updates/main/binary-i386/apache-dev_1.3.9-14_i386.deb
      MD5 checksum: b995eb96a35f173f4a0eddfb4eef9d4a
     http://security.debian.org/dists/stable/updates/main/binary-i386/apache_1.3.9-14_i386.deb
      MD5 checksum: 584bf2147b543caf47fcc5cb0c8f00f1

 Motorola 680x0 architecture:
     http://security.debian.org/dists/stable/updates/main/binary-m68k/apache-common_1.3.9-14_m68k.deb
      MD5 checksum: 78dccef970dab93961c006be91f2088d
     http://security.debian.org/dists/stable/updates/main/binary-m68k/apache-dev_1.3.9-14_m68k.deb
      MD5 checksum: dd1e6903d0d6a4bb8593dbee3f3ecc63
     http://security.debian.org/dists/stable/updates/main/binary-m68k/apache_1.3.9-14_m68k.deb
      MD5 checksum: 092d8efd2c1636ba61c0cf06715a4c32

  PowerPC architecture:
     http://security.debian.org/dists/stable/updates/main/binary-powerpc/apache-common_1.3.9-14_powerpc.deb
      MD5 checksum: aa5562f9c7b4c31fc69a8abed36fa35d
     http://security.debian.org/dists/stable/updates/main/binary-powerpc/apache-dev_1.3.9-14_powerpc.deb
      MD5 checksum: 41a515a7d5a06a408d7542a78ebc414e
     http://security.debian.org/dists/stable/updates/main/binary-powerpc/apache_1.3.9-14_powerpc.deb
      MD5 checksum: d44f096a45f15736408ed1b0b6a2217b

  Sun Sparc architecture:
     http://security.debian.org/dists/stable/updates/main/binary-sparc/apache-common_1.3.9-14_sparc.deb
      MD5 checksum: bd74b6aceae09bdbc411ad7f1a922e01
     http://security.debian.org/dists/stable/updates/main/binary-sparc/apache-dev_1.3.9-14_sparc.deb
      MD5 checksum: ff38d73da980832b27c306fa569eb046
     http://security.debian.org/dists/stable/updates/main/binary-sparc/apache_1.3.9-14_sparc.deb
      MD5 checksum: 475b0de72d7e49ca546137edecba0018

  Architecture independent archives:
     http://security.debian.org/dists/stable/updates/main/binary-all/apache-doc_1.3.9-14_all.deb
      MD5 checksum: af4c2c93f0a6fcf663131bd204aac7d9

apache-ssl:

 Source archives:
     http://security.debian.org/dists/stable/updates/main/source/apache-ssl_1.3.9.13-3.diff.gz
      MD5 checksum: ae5dcfcf6a805451f9384e3f1c4bdc58
     http://security.debian.org/dists/stable/updates/main/source/apache-ssl_1.3.9.13-3.dsc
      MD5 checksum: be4cf64ea2ae91c790f7ed6c16150096
     http://security.debian.org/dists/stable/updates/main/source/apache-ssl_1.3.9.13.orig.tar.gz
      MD5 checksum: e28b3b656449a5a2f9080286ae3d743e

  Alpha architecture:
     http://security.debian.org/dists/stable/updates/main/binary-alpha/apache-ssl_1.3.9.13-3_alpha.deb
      MD5 checksum: dd6721af1bd26d432100f48a73132685

  ARM architecture:
     http://security.debian.org/dists/stable/updates/main/binary-arm/apache-ssl_1.3.9.13-3_arm.deb
      MD5 checksum: 0ebea4bced78bc9ec3c498e9d2462538

  Intel IA-32 architecture:
     http://security.debian.org/dists/stable/updates/main/binary-i386/apache-ssl_1.3.9.13-3_i386.deb
      MD5 checksum: 8551cbe86346c1f3a3a798f41d38d615

  Motorola 680x0 architecture:
     http://security.debian.org/dists/stable/updates/main/binary-m68k/apache-ssl_1.3.9.13-3_m68k.deb
      MD5 checksum: 4519cf04c743957a1651f017c86d2ff9

  PowerPC architecture:
     http://security.debian.org/dists/stable/updates/main/binary-powerpc/apache-ssl_1.3.9.13-3_powerpc.deb
      MD5 checksum: 804b460e0142b6effc026f64ce6b12cd

  Sun Sparc architecture:
     http://security.debian.org/dists/stable/updates/main/binary-sparc/apache-ssl_1.3.9.13-3_sparc.deb
      MD5 checksum: ef3947e2571ddba01a661cdbe27673e6

  These packages will be moved into the stable distribution on its next
  revision.
--
----------------------------------------------------------------------------
apt-get: deb  http://security.debian.org/ stable/updates main
dpkg-ftp:  ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org



 
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