Clam AntiVirus uuencoded message denial of service

clam-antivirus-uuencoded-dos (15077) The risk level is classified as MediumMedium Risk


Clam AntiVirus is vulnerable to a denial of service. A remote attacker can send a specially-crafted message containing a uuencoded line of invalid length to cause any program on the system using clamd to crash.


Denial of Service


For Gentoo Linux:
Upgrade to the latest clam package (0.6.7 or later), as listed in GLSA 200402-07. See References.


  • BugTraq Mailing List, Mon Feb 09 2004 - 08:24:17 CST : clamav 0.65 remote DOS exploit.
  • GLSA 200402-07: Clamav 0.65 DoS vulnerability.
  • BID-9610: ClamAV Daemon Malformed UUEncoded Message Denial Of Service Vulnerability
  • CVE-2004-0270: libclamav in Clam AntiVirus 0.65 allows remote attackers to cause a denial of service (crash) via a uuencoded e-mail message with an invalid line length (e.g., a lowercase character), which causes an assert error in clamd that terminates the calling program.
  • GLSA-200402-07: Clam Antivirus DoS vulnerability
  • OSVDB ID: 3894: Clam AntiVirus UUencoded Message DoS

Platforms Affected:

  • ClamAV ClamAV 0.65
  • Gentoo Linux


Feb 09, 2004

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