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Vulnerability Details : CVE-2009-1935

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.
Publish Date : 2009-06-18 Last Update Date : 2009-07-01
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- CVSS Scores & Vulnerability Types

CVSS Score
4.9
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) OverflowBypass a restriction or similar
CWE ID 189

- Products Affected By CVE-2009-1935

# Product Type Vendor Product Version Update Edition Language
1 OS Freebsd Freebsd 6.3 Version Details Vulnerabilities
2 OS Freebsd Freebsd 6.3 Release P10 Version Details Vulnerabilities
3 OS Freebsd Freebsd 6.3 Releng Version Details Vulnerabilities
4 OS Freebsd Freebsd 6.4 Version Details Vulnerabilities
5 OS Freebsd Freebsd 6.4 Release P4 Version Details Vulnerabilities
6 OS Freebsd Freebsd 6.4 Stable Version Details Vulnerabilities
7 OS Freebsd Freebsd 7.1 Pre-release Version Details Vulnerabilities
8 OS Freebsd Freebsd 7.1 RC1 Version Details Vulnerabilities
9 OS Freebsd Freebsd 7.1 Release-p1 Version Details Vulnerabilities
10 OS Freebsd Freebsd 7.1 Release-p2 Version Details Vulnerabilities
11 OS Freebsd Freebsd 7.1 Release-p5 Version Details Vulnerabilities
12 OS Freebsd Freebsd 7.1 Version Details Vulnerabilities
13 OS Freebsd Freebsd 7.1 Stable Version Details Vulnerabilities
14 OS Freebsd Freebsd 7.2 Version Details Vulnerabilities
15 OS Freebsd Freebsd 7.2 Pre-release Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Freebsd Freebsd 15

- References For CVE-2009-1935

http://secunia.com/advisories/35398
SECUNIA 35398
http://security.freebsd.org/patches/SA-09:09/pipe.patch CONFIRM
http://www.securitytracker.com/id?1022365
SECTRACK 1022365
http://www.securityfocus.com/bid/35279
BID 35279 FreeBSD Direct Pipe Write Local Information Disclosure Vulnerability Release Date:2009-06-26
http://xforce.iss.net/xforce/xfdb/51109
XF freebsd-directpipe-info-disclosure(51109)
http://osvdb.org/55044
OSVDB 55044
http://security.freebsd.org/advisories/FreeBSD-SA-09:09.pipe.asc
FREEBSD FreeBSD-SA-09:09

- Metasploit Modules Related To CVE-2009-1935

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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