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Last updated: 8/1/2014 6:30:21 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2007-1730

Original release date: 03/28/2007
Last revised: 03/07/2011
Source: US-CERT/NIST

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 v2 Base Score: 6.6 (MEDIUM) (AV:L/AC:L/Au:N/C:C/I:N/A:C) (legend)
Impact Subscore: 9.2
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows disruption of service

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: SREASON
Name: 2482
External Source: SECUNIA
Name: 25392
External Source: MLIST
Name: [dccp] 20070328 [PATCH 1/1] getsockopt: Fix DCCP_SOCKOPT_[SEND,RECV]_CSCOV
External Source: VUPEN
Name: ADV-2007-1143
External Source: UBUNTU
Name: USN-464-1
External Source: SECTRACK
Name: 1017820
External Source: BUGTRAQ
Name: 20070329 Re: Re: [Full-disclosure] Linux Kernel DCCP Memory Disclosure Vulnerability
External Source: BUGTRAQ
Name: 20070327 Linux Kernel DCCP Memory Disclosure Vulnerability
External Source: BID
Name: 23162
External Source: XF
Name: kernel-dccp-information-disclosure(33274)

Technical Details

Vulnerability Type (View All)