CVE-2007-3642

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://secunia.com/advisories/27212
• http://secunia.com/advisories/25955
• http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21.6
• http://www.ubuntu.com/usn/usn-510-1
• http://www.debian.org/security/2007/dsa-1356
• http://www.securityfocus.com/bid/24818
• http://www.vupen.com/english/advisories/2007/2466
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=25845b5155b55cd77e42655ec24161ba3feffa47
• http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22
• http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.15
• http://osvdb.org/37117
• http://secunia.com/advisories/26450
• http://www.mandriva.com/security/advisories?name=MDKSA-2007:195

References

• http://secunia.com/advisories/27212
• http://secunia.com/advisories/25955
• http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21.6
• http://www.ubuntu.com/usn/usn-510-1
• http://www.debian.org/security/2007/dsa-1356
• http://www.securityfocus.com/bid/24818
• http://www.vupen.com/english/advisories/2007/2466
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=25845b5155b55cd77e42655ec24161ba3feffa47
• http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22
• http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.15
• http://osvdb.org/37117
• http://secunia.com/advisories/26450
• http://www.mandriva.com/security/advisories?name=MDKSA-2007:195

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