Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 2.6.20.14 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.15
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21.6
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22
- http://osvdb.org/37117
- http://secunia.com/advisories/25955PatchVendor Advisory
- http://secunia.com/advisories/26450Vendor Advisory
- http://secunia.com/advisories/27212Vendor Advisory
- http://www.debian.org/security/2007/dsa-1356
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:195
- http://www.securityfocus.com/bid/24818
- http://www.ubuntu.com/usn/usn-510-1
- http://www.vupen.com/english/advisories/2007/2466Vendor Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.15
FAQ
What is CVE-2007-3642?
CVE-2007-3642 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 serv...
How severe is CVE-2007-3642?
CVE-2007-3642 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2007-3642?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.