Vulnerability Monitor

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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.

Published

2012-08-14T22:55:01.253

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.4 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

4.9

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	python	python	< 2.7.4	Yes
Application	python	python	< 3.2.4	Yes
Application	python	python	< 3.3.3	Yes
Operating System	canonical	ubuntu_linux	10.04	Yes
Operating System	canonical	ubuntu_linux	11.04	Yes
Operating System	canonical	ubuntu_linux	11.10	Yes
Operating System	canonical	ubuntu_linux	12.04	Yes
Operating System	canonical	ubuntu_linux	12.10	Yes
Operating System	debian	debian_linux	6.0	Yes

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=670389 Third Party Advisory ([email protected])
http://bugs.python.org/issue14579 Vendor Advisory ([email protected])
http://secunia.com/advisories/51087 Third Party Advisory ([email protected])
http://secunia.com/advisories/51089 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2012/04/25/2 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2012/04/25/4 Mailing List, Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-1615-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-1616-1 Third Party Advisory ([email protected])
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=670389 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://bugs.python.org/issue14579 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/51087 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/51089 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2012/04/25/2 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2012/04/25/4 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-1615-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-1616-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)