Vulnerability Monitor

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CVE-2005-3500

The tnef_attachment function in tnef.c for Clam AntiVirus (ClamAV) before 0.87.1 allows remote attackers to cause a denial of service (infinite loop and memory exhaustion) via a crafted value in a CAB file that causes ClamAV to repeatedly scan the same block.

Security Impact Summary

CVE-2005-3500 is a security vulnerability that . Impacting 1 product from clam_anti-virus organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2005, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2005-11-05T11:02:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	clam_anti-virus	clamav	0.15	Yes
Application	clam_anti-virus	clamav	0.20	Yes
Application	clam_anti-virus	clamav	0.21	Yes
Application	clam_anti-virus	clamav	0.22	Yes
Application	clam_anti-virus	clamav	0.23	Yes
Application	clam_anti-virus	clamav	0.24	Yes
Application	clam_anti-virus	clamav	0.51	Yes
Application	clam_anti-virus	clamav	0.52	Yes
Application	clam_anti-virus	clamav	0.53	Yes
Application	clam_anti-virus	clamav	0.54	Yes
Application	clam_anti-virus	clamav	0.60	Yes
Application	clam_anti-virus	clamav	0.65	Yes
Application	clam_anti-virus	clamav	0.67	Yes
Application	clam_anti-virus	clamav	0.68	Yes
Application	clam_anti-virus	clamav	0.68.1	Yes
Application	clam_anti-virus	clamav	0.70	Yes
Application	clam_anti-virus	clamav	0.71	Yes
Application	clam_anti-virus	clamav	0.72	Yes
Application	clam_anti-virus	clamav	0.73	Yes
Application	clam_anti-virus	clamav	0.74	Yes
Application	clam_anti-virus	clamav	0.75	Yes
Application	clam_anti-virus	clamav	0.75.1	Yes
Application	clam_anti-virus	clamav	0.80	Yes
Application	clam_anti-virus	clamav	0.81	Yes
Application	clam_anti-virus	clamav	0.82	Yes
Application	clam_anti-virus	clamav	0.83	Yes
Application	clam_anti-virus	clamav	0.84	Yes
Application	clam_anti-virus	clamav	0.85	Yes
Application	clam_anti-virus	clamav	0.85.1	Yes
Application	clam_anti-virus	clamav	0.86	Yes
Application	clam_anti-virus	clamav	0.86.1	Yes
Application	clam_anti-virus	clamav	0.86.2	Yes
Application	clam_anti-virus	clamav	0.87	Yes

References

http://secunia.com/advisories/17184 ([email protected])
http://secunia.com/advisories/17434 Patch, Vendor Advisory ([email protected])
http://secunia.com/advisories/17451 ([email protected])
http://secunia.com/advisories/17501 ([email protected])
http://secunia.com/advisories/17559 ([email protected])
http://securityreason.com/securityalert/152 ([email protected])
http://securitytracker.com/id?1015154 ([email protected])
http://sourceforge.net/project/shownotes.php?release_id=368319 Patch ([email protected])
http://www.debian.org/security/2005/dsa-887 ([email protected])
http://www.gentoo.org/security/en/glsa/glsa-200511-04.xml ([email protected])
http://www.idefense.com/application/poi/display?id=333&type=vulnerabilities Patch, Vendor Advisory ([email protected])
http://www.mandriva.com/security/advisories?name=MDKSA-2005:205 ([email protected])
http://www.osvdb.org/20483 ([email protected])
http://www.securityfocus.com/bid/15316 ([email protected])
http://www.vupen.com/english/advisories/2005/2294 ([email protected])
http://secunia.com/advisories/17184 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/17434 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/17451 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/17501 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/17559 (af854a3a-2127-422b-91ae-364da2661108)
http://securityreason.com/securityalert/152 (af854a3a-2127-422b-91ae-364da2661108)
http://securitytracker.com/id?1015154 (af854a3a-2127-422b-91ae-364da2661108)
http://sourceforge.net/project/shownotes.php?release_id=368319 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2005/dsa-887 (af854a3a-2127-422b-91ae-364da2661108)
http://www.gentoo.org/security/en/glsa/glsa-200511-04.xml (af854a3a-2127-422b-91ae-364da2661108)
http://www.idefense.com/application/poi/display?id=333&type=vulnerabilities Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDKSA-2005:205 (af854a3a-2127-422b-91ae-364da2661108)
http://www.osvdb.org/20483 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/15316 (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2005/2294 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For clam_anti-virus's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.