National Cyber Awareness System

Vulnerability Summary for CVE-2009-1935

Overview

Integer overflow in the pipe_build_write_buffer function (sys/kern/sys_pipe.c) in the direct write optimization feature in the pipe implementation in FreeBSD 7.1 through 7.2 and 6.3 through 6.4 allows local users to bypass virtual-to-physical address lookups and read sensitive information in memory pages via unspecified vectors.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: FREEBSD

Name: FreeBSD-SA-09:09

Type: Advisory; Patch Information

Hyperlink:http://security.freebsd.org/advisories/FreeBSD-SA-09:09.pipe.asc

External Source: XF

Name: freebsd-directpipe-info-disclosure(51109)

Hyperlink:http://xforce.iss.net/xforce/xfdb/51109

External Source: SECTRACK

Name: 1022365

Hyperlink:http://www.securitytracker.com/id?1022365

External Source: BID

Name: 35279

Hyperlink:http://www.securityfocus.com/bid/35279

External Source: CONFIRM

Name: http://security.freebsd.org/patches/SA-09:09/pipe.patch

Type: Advisory; Exploit

Hyperlink:http://security.freebsd.org/patches/SA-09:09/pipe.patch

External Source: SECUNIA

Name: 35398

Type: Advisory

Hyperlink:http://secunia.com/advisories/35398

External Source: OSVDB

Name: 55044

Hyperlink:http://osvdb.org/55044