what you don't know can hurt you

Apache Tomcat 5.x / 6.x / 7.x DIGEST Authentication Weaknesses

Apache Tomcat 5.x / 6.x / 7.x DIGEST Authentication Weaknesses
Posted Nov 6, 2012
Authored by Mark Thomas, Tilmann Kuhn | Site tomcat.apache.org

Three weaknesses in Apache Tomcat's implementation of DIGEST authentication were identified and resolved. Tomcat tracked client rather than server nonces and nonce count. When a session ID was present, authentication was bypassed. The user name and password were not checked before when indicating that a nonce was stale. Tomcat versions 5.5.0 through 5.5.35, 6.0.0 through 6.0.35, and 7.0.0 through 7.0.29 are affected.

tags | advisory
advisories | CVE-2012-3439
MD5 | af53c731868c614ed3bf93a11e0db146

Apache Tomcat 5.x / 6.x / 7.x DIGEST Authentication Weaknesses

Change Mirror Download
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

CVE-2012-3439 Apache Tomcat DIGEST authentication weaknesses

Severity: Moderate

Vendor: The Apache Software Foundation

Versions Affected:
- - Tomcat 7.0.0 to 7.0.29
- - Tomcat 6.0.0 to 6.0.35
- - Tomcat 5.5.0 to 5.5.35
- - Earlier, unsupported versions may also be affected

Description:
Three weaknesses in Tomcat's implementation of DIGEST authentication
were identified and resolved:
1. Tomcat tracked client rather than server nonces and nonce count.
2. When a session ID was present, authentication was bypassed.
3. The user name and password were not checked before when indicating
that a nonce was stale.
These issues reduced the security of DIGEST authentication making
replay attacks possible in some circumstances.

Mitigation:
Users of affected versions should apply one of the following mitigations:
- - Tomcat 7.0.x users should upgrade to 7.0.30 or later
- - Tomcat 6.0.x users should upgrade to 6.0.36 or later
- - Tomcat 5.5.x users should upgrade to 5.5.36 or later

Credit:
The first issue was identified by Tilmann Kuhn. The second and third
issues were identified by the Tomcat security team during the code
review resulting from the first issue.

References:
http://tomcat.apache.org/security.html
http://tomcat.apache.org/security-7.html
http://tomcat.apache.org/security-6.html
http://tomcat.apache.org/security-5.html
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.9 (MingW32)
Comment: Using GnuPG with Mozilla - http://www.enigmail.net/
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=ANZP
-----END PGP SIGNATURE-----


Comments

RSS Feed Subscribe to this comment feed

No comments yet, be the first!

Login or Register to post a comment

File Archive:

June 2019

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Jun 1st
    1 Files
  • 2
    Jun 2nd
    2 Files
  • 3
    Jun 3rd
    19 Files
  • 4
    Jun 4th
    21 Files
  • 5
    Jun 5th
    15 Files
  • 6
    Jun 6th
    12 Files
  • 7
    Jun 7th
    11 Files
  • 8
    Jun 8th
    1 Files
  • 9
    Jun 9th
    1 Files
  • 10
    Jun 10th
    15 Files
  • 11
    Jun 11th
    15 Files
  • 12
    Jun 12th
    15 Files
  • 13
    Jun 13th
    8 Files
  • 14
    Jun 14th
    16 Files
  • 15
    Jun 15th
    2 Files
  • 16
    Jun 16th
    1 Files
  • 17
    Jun 17th
    18 Files
  • 18
    Jun 18th
    15 Files
  • 19
    Jun 19th
    15 Files
  • 20
    Jun 20th
    0 Files
  • 21
    Jun 21st
    0 Files
  • 22
    Jun 22nd
    0 Files
  • 23
    Jun 23rd
    0 Files
  • 24
    Jun 24th
    0 Files
  • 25
    Jun 25th
    0 Files
  • 26
    Jun 26th
    0 Files
  • 27
    Jun 27th
    0 Files
  • 28
    Jun 28th
    0 Files
  • 29
    Jun 29th
    0 Files
  • 30
    Jun 30th
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2019 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close