Vulnerability Monitor

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CVE-2009-1270

libclamav/untar.c in ClamAV before 0.95 allows remote attackers to cause a denial of service (infinite loop) via a crafted TAR file that causes (1) clamd and (2) clamscan to hang.

Security Impact Summary

CVE-2009-1270 is a security vulnerability that . Impacting 3 products from clamav, from debian, from canonical organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2009, 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

2009-04-08T16:30:00.437

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

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

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

Exploitability Score

10.0

Impact Score

6.9

Weaknesses

Type: Primary
CWE-835

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	clamav	clamav	< 0.95	Yes
Operating System	debian	debian_linux	4.0	Yes
Operating System	debian	debian_linux	5.0	Yes
Operating System	canonical	ubuntu_linux	8.10	Yes

References

http://lists.apple.com/archives/security-announce/2009/Sep/msg00004.html Mailing List, Third Party Advisory ([email protected])
http://osvdb.org/53461 Broken Link ([email protected])
http://secunia.com/advisories/34716 Third Party Advisory ([email protected])
http://secunia.com/advisories/36701 Third Party Advisory ([email protected])
http://support.apple.com/kb/HT3865 Third Party Advisory ([email protected])
http://www.debian.org/security/2009/dsa-1771 Third Party Advisory ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2009:097 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2009/04/07/6 Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/34357 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/usn-754-1 Third Party Advisory ([email protected])
http://www.vupen.com/english/advisories/2009/0934 Third Party Advisory ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/49846 Third Party Advisory, VDB Entry ([email protected])
https://wwws.clamav.net/bugzilla/show_bug.cgi?id=1462 Broken Link, Issue Tracking ([email protected])
http://lists.apple.com/archives/security-announce/2009/Sep/msg00004.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://osvdb.org/53461 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/34716 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/36701 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://support.apple.com/kb/HT3865 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2009/dsa-1771 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2009:097 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2009/04/07/6 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/34357 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/usn-754-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2009/0934 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/49846 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://wwws.clamav.net/bugzilla/show_bug.cgi?id=1462 Broken Link, Issue Tracking (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 clamav'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.