NVD - CVE-2012-6656

CVE-2012-6656 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Description

iconvdata/ibm930.c in GNU C Library (aka glibc) before 2.16 allows context-dependent attackers to cause a denial of service (out-of-bounds read) via a multibyte character value of "0xffff" to the iconv function when converting IBM930 encoded data to UTF-8.

Source: MITRE
Description Last Modified: 12/05/2014

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0

Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://www.debian.org/security/2015/dsa-3142	Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2014:175	Broken Link
http://www.openwall.com/lists/oss-security/2014/08/29/3	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2014/09/02/1	Mailing List Third Party Advisory
http://www.securityfocus.com/bid/69472	Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2432-1	Third Party Advisory
https://security.gentoo.org/glsa/201503-04
https://sourceware.org/bugzilla/show_bug.cgi?id=14134	Exploit Issue Tracking
https://sourceware.org/git/?p=glibc.git;a=commit;h=6e230d11837f3ae7b375ea69d7905f0d18eb79e5	Issue Tracking Patch

Technical Details

Vulnerability Type (View All)

Input Validation (CWE-20)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
Configuration 2
OR
cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*
Configuration 3
OR
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* versions up to (including) 2.16

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

4 change records found - show changes

Modified Analysis - 8/26/2016 3:21:00 PM

Action	Type	Old Value	New Value
Changed	CPE Configuration	Configuration 1 OR cpe:2.3:a:gnu:glibc:2.16::::::: (and previous)	Configuration 1 OR cpe:2.3:o:debian:debian_linux:7.0::::::: Configuration 2 OR cpe:2.3:o:canonical:ubuntu_linux:10.04::::lts:::* cpe:2.3:o:canonical:ubuntu_linux:12.04::::lts:::* cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::* cpe:2.3:o:canonical:ubuntu_linux:14.10::::::: Configuration 3 OR cpe:2.3:a:gnu:glibc:2.16::::::: (and previous)
Changed	Reference Type	http://www.debian.org/security/2015/dsa-3142 No Types Assigned	http://www.debian.org/security/2015/dsa-3142 Third Party Advisory
Changed	Reference Type	http://www.mandriva.com/security/advisories?name=MDVSA-2014:175 No Types Assigned	http://www.mandriva.com/security/advisories?name=MDVSA-2014:175 Broken Link
Changed	Reference Type	http://www.openwall.com/lists/oss-security/2014/08/29/3 No Types Assigned	http://www.openwall.com/lists/oss-security/2014/08/29/3 Third Party Advisory, Mailing List
Changed	Reference Type	http://www.openwall.com/lists/oss-security/2014/09/02/1 No Types Assigned	http://www.openwall.com/lists/oss-security/2014/09/02/1 Third Party Advisory, Mailing List
Changed	Reference Type	http://www.securityfocus.com/bid/69472 No Types Assigned	http://www.securityfocus.com/bid/69472 Third Party Advisory, VDB Entry
Changed	Reference Type	http://www.ubuntu.com/usn/USN-2432-1 Vendor Advisory	http://www.ubuntu.com/usn/USN-2432-1 Third Party Advisory
Changed	Reference Type	https://sourceware.org/bugzilla/show_bug.cgi?id=14134 Exploit	https://sourceware.org/bugzilla/show_bug.cgi?id=14134 Issue Tracking, Exploit
Changed	Reference Type	https://sourceware.org/git/?p=glibc.git;a=commit;h=6e230d11837f3ae7b375ea69d7905f0d18eb79e5 No Types Assigned	https://sourceware.org/git/?p=glibc.git;a=commit;h=6e230d11837f3ae7b375ea69d7905f0d18eb79e5 Issue Tracking, Patch

Initial CVE Analysis - 12/5/2014 3:23:53 PM

Action	Type	Old Value	New Value
Added	CPE Configuration		Configuration 1 OR cpe:2.3:a:gnu:glibc:2.16::::::: (and previous)
Added	CVSS V2		(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Added	CWE		CWE-20
Changed	Reference Type	http://www.ubuntu.com/usn/USN-2432-1 No Types Assigned	http://www.ubuntu.com/usn/USN-2432-1 Advisory
Changed	Reference Type	https://sourceware.org/bugzilla/show_bug.cgi?id=14134 No Types Assigned	https://sourceware.org/bugzilla/show_bug.cgi?id=14134 Exploit

Quick Info

CVE Dictionary Entry:
CVE-2012-6656
NVD Published Date:
12/05/2014
NVD Last Modified:
06/30/2017

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Information Technology Laboratory

National Vulnerability Database