National Cyber-Alert System
Vulnerability Summary for CVE-2007-1730
Original release date:03/28/2007
Last revised:09/05/2008
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):
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
- 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: BUGTRAQ
Name: 20070327 Linux Kernel DCCP Memory Disclosure Vulnerability
External Source: XF
Name: kernel-dccp-information-disclosure(33274)
External Source: UBUNTU
Name: USN-464-1
External Source: SECTRACK
Name: 1017820
External Source: BID
Name: 23162
External Source: BUGTRAQ
Name: 20070329 Re: Re: [Full-disclosure] Linux Kernel DCCP Memory Disclosure Vulnerability
External Source: VUPEN
Name: ADV-2007-1143
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