what you don't know can hurt you
Home Files News &[SERVICES_TAB]About Contact Add New

iViZ Security Advisory 08-011

iViZ Security Advisory 08-011
Posted Dec 10, 2008
Authored by Jonathan Brossard | Site ivizsecurity.com

Clamav uses an external unpacker, which can be deterministically crashed, when processing corrupted LZH files. Versions 0.93.3 and below are affected.

tags | advisory
SHA-256 | af9e2f87235c167df539925d2d3e6d8133912250f66b6b29626b3fb8d4cbdf95

iViZ Security Advisory 08-011

Change Mirror Download
-----------------------------------------------------------------------
[ iViZ Security Advisory 08-011 10/12/2008 ]
-----------------------------------------------------------------------
iViZ Techno Solutions Pvt. Ltd.
http://www.ivizsecurity.com
-----------------------------------------------------------------------

* Title: ClamAV lzh unpacking segmentation fault
* Date: 10/12/2008
* Software: ClamAV 0.93.3 and prior

--[ Synopsis:

Clamav uses an external unpacker, which can be deterministically crashed,
when processing corrupted LZH files.

--[ Affected Software:

* ClamAV 0.93.3 and prior

--[ Non Affected Software:

* ClamAV 0.94 and newer

--[ Impact:

Remote DoS, possibly remote code execution.

--[ Vendor response:

* "Support for external unpackers has been dropped in 0.94 for
security issues".

--[ Credits:

This vulnerability was discovered by Security Researcher
Jonathan Brossard from iViZ Techno Solutions Pvt. Ltd.

--[ Disclosure timeline:

* First private disclosure to vendor on October 14th 2008
* First vendor reply on October 15th 2008 : issue fixed.

--[ Reference:

http://www.ivizsecurity.com/security-advisory.html
Login or Register to add favorites

File Archive:

August 2024

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Aug 1st
    15 Files
  • 2
    Aug 2nd
    22 Files
  • 3
    Aug 3rd
    0 Files
  • 4
    Aug 4th
    0 Files
  • 5
    Aug 5th
    0 Files
  • 6
    Aug 6th
    0 Files
  • 7
    Aug 7th
    0 Files
  • 8
    Aug 8th
    0 Files
  • 9
    Aug 9th
    0 Files
  • 10
    Aug 10th
    0 Files
  • 11
    Aug 11th
    0 Files
  • 12
    Aug 12th
    0 Files
  • 13
    Aug 13th
    0 Files
  • 14
    Aug 14th
    0 Files
  • 15
    Aug 15th
    0 Files
  • 16
    Aug 16th
    0 Files
  • 17
    Aug 17th
    0 Files
  • 18
    Aug 18th
    0 Files
  • 19
    Aug 19th
    0 Files
  • 20
    Aug 20th
    0 Files
  • 21
    Aug 21st
    0 Files
  • 22
    Aug 22nd
    0 Files
  • 23
    Aug 23rd
    0 Files
  • 24
    Aug 24th
    0 Files
  • 25
    Aug 25th
    0 Files
  • 26
    Aug 26th
    0 Files
  • 27
    Aug 27th
    0 Files
  • 28
    Aug 28th
    0 Files
  • 29
    Aug 29th
    0 Files
  • 30
    Aug 30th
    0 Files
  • 31
    Aug 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2022 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close