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Vulnerability Details : CVE-2006-6169

Heap-based buffer overflow in the ask_outfile_name function in openfile.c for GnuPG (gpg) 1.4 and 2.0, when running interactively, might allow attackers to execute arbitrary code via messages with "C-escape" expansions, which cause the make_printable_string function to return a longer string than expected while constructing a prompt.
Publish Date : 2006-11-29 Last Update Date : 2010-09-15
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- CVSS Scores & Vulnerability Types

CVSS Score
6.8
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access User
Vulnerability Type(s) Execute CodeOverflow
CWE ID CWE id is not defined for this vulnerability

- Vendor Statements

Red Hat does not consider this bug to be a security flaw. In order for this flaw to be exploited, a user would be required to enter shellcode into an interactive GnuPG session. Red Hat considers this to be an unlikely scenario. Red Hat Enterprise Linux 5 contains a backported patch to address this issue.
Source: Redhat

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat low 2006-11-28 2006-11-24
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2006-6169 oval:org.opensuse.security:def:20066169 unix
Heap-based buffer overflow in the ask_outfile_name function in openfile.c for GnuPG (gpg) 1.4 and 2.0, when running inte... oval:org.mitre.oval:def:11228 unix
RHSA-2006:0754: gnupg security update (Important) oval:com.redhat.rhsa:def:20060754 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2006-6169

# Product Type Vendor Product Version Update Edition Language
1 Application Gnupg Gnupg 1.4 Version Details Vulnerabilities
2 Application Gnupg Gnupg 2.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Gnupg Gnupg 2

- References For CVE-2006-6169

ftp://patches.sgi.com/support/free/security/advisories/20061201-01-P.asc
SGI 20061201-01-P
http://lists.suse.com/archive/suse-security-announce/2006-Dec/0004.html
SUSE SUSE-SA:2006:075
http://secunia.com/advisories/23146
SECUNIA 23146
http://secunia.com/advisories/23161
SECUNIA 23161
http://secunia.com/advisories/23250
SECUNIA 23250
http://secunia.com/advisories/23171
SECUNIA 23171
http://secunia.com/advisories/23269
SECUNIA 23269
http://secunia.com/advisories/23284
SECUNIA 23284
http://secunia.com/advisories/23299
SECUNIA 23299
http://secunia.com/advisories/23303
SECUNIA 23303
http://secunia.com/advisories/23513
SECUNIA 23513
http://www.ubuntu.com/usn/usn-389-1
UBUNTU USN-389-1
http://secunia.com/advisories/24047
SECUNIA 24047
http://security.gentoo.org/glsa/glsa-200612-03.xml
GENTOO GLSA-200612-03
http://securityreason.com/securityalert/1927
SREASON 1927
http://support.avaya.com/elmodocs2/security/ASA-2007-047.htm CONFIRM
http://www.debian.org/security/2006/dsa-1231
DEBIAN DSA-1231
http://www.mandriva.com/security/advisories?name=MDKSA-2006:221
MANDRIVA MDKSA-2006:221
http://www.openpkg.com/security/advisories/OpenPKG-SA-2006.037.html
OPENPKG OpenPKG-SA-2006.037
http://www.redhat.com/support/errata/RHSA-2006-0754.html
REDHAT RHSA-2006:0754
http://www.securityfocus.com/archive/1/archive/1/453253/100/100/threaded
BUGTRAQ 20061201 rPSA-2006-0224-1 gnupg
http://www.trustix.org/errata/2006/0068/
TRUSTIX 2006-0068
http://www.ubuntu.com/usn/usn-393-2
UBUNTU USN-393-2
https://issues.rpath.com/browse/RPL-826 CONFIRM
http://lists.gnupg.org/pipermail/gnupg-announce/2006q4/000241.html
MLIST [gnupg-announce] 20061127 GnuPG 1.4 and 2.0 buffer overflow
http://secunia.com/advisories/23110
SECUNIA 23110
http://securitytracker.com/id?1017291
SECTRACK 1017291
http://www.securityfocus.com/bid/21306
BID 21306 GnuPG Make_Printable_String Remote Buffer Overflow Vulnerability Release Date:2007-03-19
https://bugs.g10code.com/gnupg/issue728
http://www.frsirt.com/english/advisories/2006/4736
VUPEN ADV-2006-4736
http://xforce.iss.net/xforce/xfdb/30550
XF gnupg-openfile-bo(30550)
http://secunia.com/advisories/23094
SECUNIA 23094
http://www.securityfocus.com/archive/1/archive/1/452829/100/0/threaded
BUGTRAQ 20061127 GnuPG 1.4 and 2.0 buffer overflow

- Metasploit Modules Related To CVE-2006-6169

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


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