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CVE-2007-3642

Date: July 9, 2007

The decode_choice function in net/netfilter/nf_conntrack_h323_asn1.c in the Linux kernel before 2.6.20.15, 2.6.21.x before 2.6.21.6, and before 2.6.22 allows remote attackers to cause a denial of service (crash) via an encoded, out-of-range index value for a choice field, which triggers a NULL pointer dereference.

Severity Score

Related Resources (16)

http://secunia.com/advisories/26450
http://www.ubuntu.com/usn/usn-510-1
http://www.debian.org/security/2007/dsa-1356
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22
http://www.securityfocus.com/bid/24818
https://people.canonical.com/~ubuntu-security/cve/CVE-2007-3642
http://www.vupen.com/english/advisories/2007/2466
http://secunia.com/advisories/25955
https://nvd.nist.gov/vuln/detail/CVE-2007-3642
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21.6
http://secunia.com/advisories/27212
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.15
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=25845b5155b55cd77e42655ec24161ba3feffa47
http://www.mandriva.com/security/advisories?name=MDKSA-2007:195
http://osvdb.org/37117
https://www.mend.io/vulnerability-database/CVE-2007-3642

Severity Score

Weakness Type (CWE)

Numeric Errors

CWE-189

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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