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    CVE-2007-1997

    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.

    Published:Apr 16, 2007
    Last Modified:Apr 23, 2026
    EPS:Apr 16, 2007
    EPSS Score:0.11858
    CVSS Score:7.5

    Affected Products

    Vendor
    Clam Anti-virus
    Product
    Clamav

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2008-5314 (CVSS 4.3) — Stack consumption vulnerability in libclamav/special.c in ClamAV before 0.94.2 allows remote attackers to caus…
    CVE-2008-5050 (CVSS 9.3) — Off-by-one error in the get_unicode_name function (libclamav/vba_extract.c) in Clam Anti-Virus (ClamAV) before…
    CVE-2008-1389 (CVSS 5) — libclamav/chmunpack.c in the chm-parser in ClamAV before 0.94 allows remote attackers to cause a denial of ser…
    CVE-2008-3215 (CVSS 5) — libclamav/petite.c in ClamAV before 0.93.3 allows remote attackers to cause a denial of service via a malforme…
    CVE-2008-2713 (CVSS 5) — libclamav/petite.c in ClamAV before 0.93.1 allows remote attackers to cause a denial of service via a crafted …
    CVE-2008-1387 (CVSS 4.3) — ClamAV before 0.93 allows remote attackers to cause a denial of service (CPU consumption) via a crafted ARJ ar…
    CVE-2008-1836 (CVSS 4.3) — The rfc2231 function in message.c in libclamav in ClamAV before 0.93 allows remote attackers to cause a denial…
    CVE-2008-1837 (CVSS 5) — libclamunrar in ClamAV before 0.93 allows remote attackers to cause a denial of service (crash) via crafted RA…
    CVE-2008-0314 (CVSS 7.5) — Heap-based buffer overflow in spin.c in libclamav in ClamAV 0.92.1 allows remote attackers to execute arbitrar…
    CVE-2008-1833 (CVSS 7.5) — Heap-based buffer overflow in pe.c in libclamav in ClamAV 0.92.1 allows remote attackers to execute arbitrary …

    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
    http://sourceforge.net/project/shownotes.php?release_id=500765
    http://support.novell.com/techcenter/psdb/50a5cb718f20761dd7e0b6b4e0935c52.html
    http://www.debian.org/security/2007/dsa-1281
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:098
    http://www.novell.com/linux/security/advisories/2007_26_clamav.html
    http://www.securityfocus.com/bid/23473
    http://www.securitytracker.com/id?1017921
    http://www.trustix.org/errata/2007/0013/
    http://www.vupen.com/english/advisories/2007/1378
    http://www.vupen.com/english/advisories/2008/0924/references
    https://exchange.xforce.ibmcloud.com/vulnerabilities/33637
    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
    http://sourceforge.net/project/shownotes.php?release_id=500765
    http://support.novell.com/techcenter/psdb/50a5cb718f20761dd7e0b6b4e0935c52.html
    http://www.debian.org/security/2007/dsa-1281
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:098
    http://www.novell.com/linux/security/advisories/2007_26_clamav.html
    http://www.securityfocus.com/bid/23473
    http://www.securitytracker.com/id?1017921
    http://www.trustix.org/errata/2007/0013/
    http://www.vupen.com/english/advisories/2007/1378
    http://www.vupen.com/english/advisories/2008/0924/references
    https://exchange.xforce.ibmcloud.com/vulnerabilities/33637

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High