CVE-2007-1997

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-04-16 · updated 2026-06-16

Description

Integer signedness error in the (1) cab_unstore and (2) cab_extract functions in libclamav/cab.c in Clam AntiVirus (ClamAV) before 0.90.2 allow remote attackers to execute arbitrary code via a crafted CHM file that contains a negative integer, which passes a signed comparison and leads to a stack-based buffer overflow.

Affected products

Clam Anti-Virus Clamav: 0.90, 0.90.1, 0.90.2, 0.90_rc1.1, 0.90_rc2, 0.90_rc3

References

http://docs.info.apple.com/article.html?artnum=307562
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=513
http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
http://secunia.com/advisories/24891
http://secunia.com/advisories/24920
http://secunia.com/advisories/24946
http://secunia.com/advisories/24996
http://secunia.com/advisories/25022
http://secunia.com/advisories/25028
http://secunia.com/advisories/25189
http://secunia.com/advisories/29420
http://security.gentoo.org/glsa/glsa-200704-21.xml

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