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>> Linux Kernel DCCP Module "do_dccp_getsockopt()" Memory Disclosure Vulnerability
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Title : Linux Kernel DCCP Module "do_dccp_getsockopt()" Memory Disclosure Vulnerability
VUPEN ID : VUPEN/ADV-2007-1143
CVE ID : CVE-2007-1730 - CVE-2007-1734
Rated as : Low Risk 
Remotely Exploitable : No
Locally Exploitable : Yes
Release Date : 2007-03-28
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A vulnerability has been identified in Linux Kernel, which could be exploited by malicious users to disclose sensitive information or cause a denial of service. This issue is due to an integer signedness error in the "do_dccp_getsockopt()" [net/dccp/proto.c] function that does not properly validate the "len" parameter before being passed as an argument to the "copy_to_user()" call, which could be exploited by local attackers to read arbitrary kernel memory portions or panic a vulnerable system, creating a denial of service condition.
Affected Products
Linux Kernel versions 2.6.x
Solution
VUPEN Security is not aware of any vendor-supplied patch.
References
http://www.vupen.com/english/advisories/2007/1143
Credits
Vulnerability reported by Robert Swiecki
ChangeLog
2007-03-28 : Initial release
Vulnerability Management
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