NVD Vulnerability Detail

CVE-2012-2135

Summary	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.
Publication Date	Aug. 15, 2012, 7:55 a.m.
Registration Date	Jan. 28, 2021, 2:57 p.m.
Last Update	Nov. 21, 2024, 10:38 a.m.

Affected software configurations

Configuration3		or higher	or less	more than	less than
cpe:2.3:o:debian:debian_linux:6.0:::::::*

Related information, measures and tools

No	URL	タグ
1	http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=670389	Third Party Advisory
2	http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=670389	Third Party Advisory
3	http://bugs.python.org/issue14579	Vendor Advisory
4	http://bugs.python.org/issue14579	Vendor Advisory
5	http://secunia.com/advisories/51087	Third Party Advisory
6	http://secunia.com/advisories/51087	Third Party Advisory
7	http://secunia.com/advisories/51089	Third Party Advisory
8	http://secunia.com/advisories/51089	Third Party Advisory
9	http://www.openwall.com/lists/oss-security/2012/04/25/2	Mailing List Third Party Advisory
10	http://www.openwall.com/lists/oss-security/2012/04/25/2	Mailing List Third Party Advisory
11	http://www.openwall.com/lists/oss-security/2012/04/25/4	Mailing List Third Party Advisory
12	http://www.openwall.com/lists/oss-security/2012/04/25/4	Mailing List Third Party Advisory
13	http://www.ubuntu.com/usn/USN-1615-1	Third Party Advisory
14	http://www.ubuntu.com/usn/USN-1615-1	Third Party Advisory
15	http://www.ubuntu.com/usn/USN-1616-1	Third Party Advisory
16	http://www.ubuntu.com/usn/USN-1616-1	Third Party Advisory

Common Vulnerabilities List

JVN Vulnerability Information

Python の utf-16 デコーダにおける重要な情報 (プロセスメモリ) を取得される脆弱性

Title	Python の utf-16 デコーダにおける重要な情報 (プロセスメモリ) を取得される脆弱性
Summary	Python の utf-16 デコーダは、unicode_decode_call_errorhandler 関数を呼び出した後、aligned_end 変数を更新しないため、重要な情報 (プロセスメモリ) を取得される、またはサービス運用妨害 (メモリ破損およびクラッシュ) 状態となる脆弱性が存在します。
Possible impacts	第三者により、重要な情報 (プロセスメモリ) を取得される、またはサービス運用妨害 (メモリ破損およびクラッシュ) 状態にされる可能性があります。
Solution	ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date	April 14, 2012, midnight
Registration Date	Aug. 17, 2012, 11:14 a.m.
Last Update	Aug. 17, 2012, 11:14 a.m.

Affected System

Python Software Foundation

Python 3.1 から 3.3

CVE (情報セキュリティ共通脆弱性識別子)

No	Name	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2012-2135	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2135
National Vulnerability Database (NVD)
2	CVE-2012-2135	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-2135

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-DesignError	https://www.ipa.go.jp/security/vuln/CWE.html#CWEDesignError

ベンダー情報

No	Name	URL
Debian Bug report logs
1	#670389	http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=670389
Python
2	Issue14579	http://bugs.python.org/issue14579

Change Log

No	Changed Details	Date of change
0	[2012年08月17日] 掲載	Feb. 17, 2018, 10:37 a.m.