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Linux Kernel ASN.1 BER Decoding Vulnerability
Release Date: 2008-06-09 Views: 12,821
Secunia Advisory SA30580
Where:
From local network
Impact:
DoS, System access,
Solution Status:
Vendor Patch
CVE Reference(s):
Description
A vulnerability has been reported in the Linux Kernel, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.
The vulnerability is caused due to an error within the ASN.1 BER decoder of the cifs and ip_nat_snmp_basic modules when calculating the buffer size. This can be exploited to cause a crash or potentially execute arbitrary code by sending specially crafted BER encoded data to a vulnerable system.
The vulnerability is reported in versions prior to 2.4.36.6 of the 2.4 branch and prior to version 2.6.25.5 of the 2.6 branch.
Solution:
Update to a fixed version.
Further details available to Secunia VIM customers
Provided and/or discovered by:
Wei Wang, McAfee
Original Advisory:
http://kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.36.6
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.5
Deep Links:
Links available to Secunia VIM customers
Do you have additional information related to this advisory?
Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com
Subject: Linux Kernel ASN.1 BER Decoding Vulnerability
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