3315 : Linux Kernel do_mremap() Privilege Escalation
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Info

Last Modified

about 1 year ago

Percent Complete

100%

Disclosure

Jan 05, 2004

Discovery

Unknown

Dates

Exploit

Unknown

Solution

Unknown

Keywords

No Keywords

Description

A local overflow exists in the Linux kernel. The do_mremap() function fails to perform bounds checking resulting in a buffer overflow. With a specially crafted request, an attacker can execute arbitrary code resulting in a loss of confidentiality, integrity, and/or availability.

Classification

Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Available
Disclosure: OSVDB Verified

Solution

Upgrade to version 2.4.24 or higher, or 2.6.1 or higher, as they have been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Linux	Linux	2.4.x
		2.6.0

References

Secunia Advisory ID: 10532 11276
ISS X-Force ID: 14135
CVE ID: 2003-0985 (see also: NVD)
Bugtraq ID: 9356
Other Advisory URL: http://archives.neohapsis.com/archives/bugtraq/2004-01/0114.html
http://isec.pl/vulnerabilities/isec-0013-mremap.txt
Generic Exploit URL: http://downloads.securityfocus.com/vulnerabilities/exploits/mremap_bug.c
http://downloads.securityfocus.com/vulnerabilities/exploits/mremap_poc.c
Vendor Specific Advisory URL: http://smoothwall.org/security/advisories/SWP-2004.001.html
CIAC Advisory: o-045

Tools & Filters

Nessus	12443 12444 13669 14101 15250 15254 15264 15276 15277 15287 15307 15312 18786 18795

Credit

Paul Starzetz - ihaquerisec.pl - iSEC Security Research

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