OSVDB ID: 17646 Title: Clam AntiVirus MS-Expand File Handling DoS |
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Description |
ClamAV contains a flaw that may allow a remote denial of service. The issue is triggered by a file descriptor leak in cli_msexpand() function, located in libclamav/scanners.c, which consumes all available file descriptors and/or memory on the target system. A remote attacker sends approximately 1,000 specially crafted archive files, either by email attachment or directly to a current HTTP session, resulting in a loss of availability of the anti-virus system. |
Classification |
Location:
Remote/Network Access Required
Attack Type: Denial of Service Impact: Loss of Availability Exploit: Exploit Available Disclosure: OSVDB Verified |
Solution |
Upgrade to version 0.86 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds. |
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Credit |
Unknown or Incomplete |