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Last updated: 4/17/2014

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National Cyber Awareness System

Vulnerability Summary for CVE-2007-1734

Original release date: 03/28/2007
Last revised: 09/05/2008
Source: US-CERT/NIST

Overview

The DCCP support in the do_dccp_getsockopt function in net/dccp/proto.c in Linux kernel 2.6.20 and later does not verify the upper bounds of the optlen value, which allows local users running on certain architectures to read kernel memory or cause a denial of service (oops), a related issue to CVE-2007-1730.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.2 (HIGH) (AV:L/AC:L/AU:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
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 unauthorized modification; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (10/23/2007)
Not vulnerable. This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.

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External Source: SECTRACK
Name: 1017820
External Source: SREASON
Name: 2511
External Source: XF
Name: linux-kernel-dccp-info-disclosure(43321)
External Source: BUGTRAQ
Name: 20070327 Re: [Full-disclosure] Linux Kernel DCCP Memory Disclosure Vulnerability
External Source: XF
Name: kernel-dccp-information-disclosure(33274)

Technical Details

Vulnerability Type (View All)