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Vulnerability Details : CVE-2012-2135

The utf-16 decoder in Python 3.1 through 3.3 does not update the aligned_end variable after calling the unicode_decode_call_errorhandler function, which allows remote attackers to obtain sensitive information (process memory) or cause a denial of service (memory corruption and crash) via unspecified vectors.
Publish Date : 2012-08-14 Last Update Date : 2013-05-14
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- CVSS Scores & Vulnerability Types

CVSS Score
6.4
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
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) Denial Of ServiceMemory corruptionObtain Information
CWE ID CWE id is not defined for this vulnerability

- Products Affected By CVE-2012-2135

# Product Type Vendor Product Version Update Edition Language
1 Application Python Python 3.1 Version Details Vulnerabilities
2 Application Python Python 3.1.1 Version Details Vulnerabilities
3 Application Python Python 3.1.2 Version Details Vulnerabilities
4 Application Python Python 3.1.5 Version Details Vulnerabilities
5 Application Python Python 3.2 Alpha Version Details Vulnerabilities
6 Application Python Python 3.2.3 Version Details Vulnerabilities
7 Application Python Python 3.2.2150 Version Details Vulnerabilities
8 Application Python Python 3.3 Beta2 Version Details Vulnerabilities
9 Application Python Python 3.3 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Python Python 9

- References For CVE-2012-2135

http://www.openwall.com/lists/oss-security/2012/04/25/2
MLIST [oss-security] 20120425 CVE Request: Python 3.2/3.3 utf-16 decoder unicode_decode_call_errorhandler aligned_end is not updated
http://secunia.com/advisories/51089
SECUNIA 51089
http://secunia.com/advisories/51087
SECUNIA 51087
http://bugs.python.org/issue14579
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=670389
http://www.ubuntu.com/usn/USN-1616-1
UBUNTU USN-1616-1
http://www.openwall.com/lists/oss-security/2012/04/25/4
MLIST [oss-security] 20120425 Re: CVE Request: Python 3.2/3.3 utf-16 decoder unicode_decode_call_errorhandler aligned_end is not updated
http://www.ubuntu.com/usn/USN-1615-1
UBUNTU USN-1615-1

- Metasploit Modules Related To CVE-2012-2135

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


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