NVD Vulnerability Detail

CVE-2011-0721

Summary	Multiple CRLF injection vulnerabilities in (1) chfn and (2) chsh in shadow 1:4.1.4 allow local users to add new users or groups to /etc/passwd via the GECOS field.
Publication Date	Feb. 19, 2011, 10 a.m.
Registration Date	Jan. 28, 2021, 4:37 p.m.
Last Update	Nov. 21, 2024, 10:24 a.m.

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:a:debian:shadow:1\:4.1.4:::::::*

Related information, measures and tools

No	URL	タグ
1	http://osvdb.org/70895
2	http://secunia.com/advisories/42505	Vendor Advisory
3	http://secunia.com/advisories/43345	Vendor Advisory
4	http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.380014
5	http://www.debian.org/security/2011/dsa-2164
6	http://www.securityfocus.com/bid/46426
7	http://www.ubuntu.com/usn/USN-1065-1
8	http://www.vupen.com/english/advisories/2011/0396	Vendor Advisory
9	http://www.vupen.com/english/advisories/2011/0398	Vendor Advisory
10	http://www.vupen.com/english/advisories/2011/0773
11	https://exchange.xforce.ibmcloud.com/vulnerabilities/65564
12	http://osvdb.org/70895
13	https://exchange.xforce.ibmcloud.com/vulnerabilities/65564
14	http://www.vupen.com/english/advisories/2011/0773
15	http://www.vupen.com/english/advisories/2011/0398	Vendor Advisory
16	http://www.vupen.com/english/advisories/2011/0396	Vendor Advisory
17	http://www.ubuntu.com/usn/USN-1065-1
18	http://www.securityfocus.com/bid/46426
19	http://www.debian.org/security/2011/dsa-2164
20	http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.380014
21	http://secunia.com/advisories/43345	Vendor Advisory
22	http://secunia.com/advisories/42505	Vendor Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-20	不適切な入力確認	https://cwe.mitre.org/data/definitions/20.html

JVN Vulnerability Information

shadow の chfn および chsh における CRLF インジェクションの脆弱性

Title	shadow の chfn および chsh における CRLF インジェクションの脆弱性
Summary	shadow の chfn および chsh には、CRLF インジェクションの脆弱性が存在します。
Possible impacts	ローカルユーザにより、GECOS フィールドを介して、/etc/passwd に新規ユーザまたはグループを追加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	Feb. 16, 2011, midnight
Registration Date	March 27, 2012, 6:43 p.m.
Last Update	March 27, 2012, 6:43 p.m.

Affected System

Debian

shadow 1:4.1.4

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-2011-0721	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0721
National Vulnerability Database (NVD)
2	CVE-2011-0721	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2011-0721

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-20	https://jvndb.jvn.jp/ja/cwe/CWE-20.html

ベンダー情報

No	Name	URL
Debian
1	DSA-2164	http://www.debian.org/security/2011/dsa-2164

Change Log

No	Changed Details	Date of change
0	[2012年03月27日] 掲載	Feb. 17, 2018, 10:37 a.m.