National Cyber Awareness System

Vulnerability Summary for CVE-2007-1730

Overview

Integer signedness error in the DCCP support in the do_dccp_getsockopt function in net/dccp/proto.c in Linux kernel 2.6.20 and later allows local users to read kernel memory or cause a denial of service (oops) via a negative optlen value.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

Vendor Statements (disclaimer)

Official Statement from Red Hat (10/23/2007)

Not vulnerable. This issue did not affect the version of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.

References to Advisories, Solutions, and Tools

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External Source: VUPEN

Name: ADV-2007-1143

Hyperlink:http://www.vupen.com/english/advisories/2007/1143

External Source: BUGTRAQ

Name: 20070327 Linux Kernel DCCP Memory Disclosure Vulnerability

Hyperlink:http://www.securityfocus.com/archive/1/archive/1/463934/100/0/threaded

External Source: XF

Name: kernel-dccp-information-disclosure(33274)

Hyperlink:http://xforce.iss.net/xforce/xfdb/33274

External Source: UBUNTU

Name: USN-464-1

Hyperlink:http://www.ubuntu.com/usn/usn-464-1

External Source: SECTRACK

Name: 1017820

Hyperlink:http://www.securitytracker.com/id?1017820

External Source: BID

Name: 23162

Hyperlink:http://www.securityfocus.com/bid/23162

External Source: BUGTRAQ

Name: 20070329 Re: Re: [Full-disclosure] Linux Kernel DCCP Memory Disclosure Vulnerability

Hyperlink:http://www.securityfocus.com/archive/1/archive/1/464144/100/0/threaded

External Source: SREASON

Name: 2482

Hyperlink:http://securityreason.com/securityalert/2482

External Source: SECUNIA

Name: 25392

Hyperlink:http://secunia.com/advisories/25392

External Source: MLIST

Name: [dccp] 20070328 [PATCH 1/1] getsockopt: Fix DCCP_SOCKOPT_[SEND,RECV]_CSCOV

Hyperlink:http://marc.info/?l=dccp&m=117509584316267&w=2