Clam AntiVirus libclamav/special.c denial of service

clamav-special-dos (46985) The risk level is classified as MediumMedium Risk

Description:

Clam AntiVirus is vulnerable to a denial of service, caused by a stack consumption error in libclamav/special.c, related to the cli_check_jpeg_exploit, jpeg_check_photoshop, and jpeg_check_photoshop_8bim functions. A remote attacker could exploit this vulnerability using a specially-crafted .jpg file to cause a stack overflow and crash the application.

*CVSS:

Base Score: 5
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 3.9
  Exploitability: Proof-of-Concept
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of Clam AntiVirus (0.94.2 or later), available from the Clam AntiVirus Web site. See References.

For other distributions:
Apply the appropriate update for your system. See References.

References:

  • Apple Web site: About the security content of Security Update 2009-001 .
  • Clam AntiVirus Web site: Clam AntiVirus.
  • ClamAV Bugzilla Bug 1266: recursive stack overflow in jpeg parsing code.
  • SourceForge.net: Files: Clam AntiVirus, File Release Notes and Changelog, Release Name: 0.94.2.
  • BID-32555: ClamAV 'cli_check_jpeg_exploit' Function Malformed JPEG File Remote Denial Of Service Vulnerability
  • CVE-2008-5314: Stack consumption vulnerability in libclamav/special.c in ClamAV before 0.94.2 allows remote attackers to cause a denial of service (daemon crash) via a crafted JPEG file, related to the cli_check_jpeg_exploit, jpeg_check_photoshop, and jpeg_check_photoshop_8bim functions.
  • DSA-1680: clamav -- buffer overflow
  • MDVSA-2008:239: clamav
  • SA32926: ClamAV "cli_check_jpeg_exploit()" Denial of Service Vulnerability
  • SA33937: Apple Mac OS X Security Update Fixes Multiple Vulnerabilities
  • SECTRACK ID: 1021296: Clam AntiVirus cli_check_jpeg_exploit() Recursive Loop Lets Remote Users Deny Service
  • SUSE-SR:2008:028: SUSE Security Summary Report
  • USN-684-1: ClamAV vulnerability
  • VUPEN/ADV-2008-3311: ClamAV cli_check_jpeg_exploit() Denial of Service Vulnerability
  • VUPEN/ADV-2009-0422: Apple Mac OS X Code Execution and Security Bypass Vulnerabilities

Platforms Affected:

  • Apple Mac OS X Server 10.4.11
  • Apple Mac OS X Server 10.5.6
  • Canonical Ubuntu 8.10
  • ClamAV ClamAV 0.70
  • ClamAV ClamAV 0.71
  • ClamAV ClamAV 0.72
  • ClamAV ClamAV 0.73
  • ClamAV ClamAV 0.74
  • ClamAV ClamAV 0.75
  • ClamAV ClamAV 0.75.1
  • ClamAV ClamAV 0.80 RC
  • ClamAV ClamAV 0.80 RC4
  • ClamAV ClamAV 0.80 RC3
  • ClamAV ClamAV 0.80 RC2
  • ClamAV ClamAV 0.80
  • ClamAV ClamAV 0.81
  • ClamAV ClamAV 0.81 RC1
  • ClamAV ClamAV 0.82
  • ClamAV ClamAV 0.83
  • ClamAV ClamAV 0.84 RC1
  • ClamAV ClamAV 0.84 rc2
  • ClamAV ClamAV 0.84
  • ClamAV ClamAV 0.85
  • ClamAV ClamAV 0.85.1
  • ClamAV ClamAV 0.86
  • ClamAV ClamAV 0.86 RC1
  • ClamAV ClamAV 0.86.1
  • ClamAV ClamAV 0.86.2
  • ClamAV ClamAV 0.87
  • ClamAV ClamAV 0.87.1
  • ClamAV ClamAV 0.88
  • ClamAV ClamAV 0.88.1
  • ClamAV ClamAV 0.88.2
  • ClamAV ClamAV 0.88.3
  • ClamAV ClamAV 0.88.4
  • ClamAV ClamAV 0.88.5
  • ClamAV ClamAV 0.88.6
  • ClamAV ClamAV 0.88.7
  • ClamAV ClamAV 0.90
  • ClamAV ClamAV 0.90.1
  • ClamAV ClamAV 0.90.2
  • ClamAV ClamAV 0.90.3
  • ClamAV ClamAV 0.91
  • ClamAV ClamAV 0.91.1
  • ClamAV ClamAV 0.91.2
  • ClamAV ClamAV 0.92
  • ClamAV ClamAV 0.92.1
  • ClamAV ClamAV 0.93
  • ClamAV ClamAV 0.93.1
  • ClamAV ClamAV 0.93.3
  • ClamAV ClamAV 0.94
  • ClamAV ClamAV 0.94.1
  • Debian Debian Linux 4.0
  • MandrakeSoft Mandrake Linux 2008.0 X86_64
  • MandrakeSoft Mandrake Linux 2008.0
  • MandrakeSoft Mandrake Linux 2008.1 X86_64
  • MandrakeSoft Mandrake Linux 2008.1
  • MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 3.0
  • MandrakeSoft Mandrake Linux Corporate Server 4.0 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 4.0
  • Mandriva Linux 2009.0
  • Mandriva Linux 2009.0 X86_64

Reported:

Nov 26, 2008

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