NVD Vulnerability Detail

CVE-2011-0285

Summary	The process_chpw_request function in schpw.c in the password-changing functionality in kadmind in MIT Kerberos 5 (aka krb5) 1.7 through 1.9 frees an invalid pointer, which allows remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via a crafted request that triggers an error condition.
Publication Date	April 15, 2011, 9:55 a.m.
Registration Date	Jan. 28, 2021, 4:37 p.m.
Last Update	Nov. 21, 2024, 10:23 a.m.

CVSS2.0 : HIGH
Score	10.0
Vector	AV:N/AC:L/Au:N/C:C/I:C/A:C
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	低
攻撃前の認証要否(Au)	不要
機密性への影響(C)	高
完全性への影響(I)	高
可用性への影響(A)	高
Get all privileges.	いいえ
Get user privileges	いいえ
Get other privileges	いいえ
User operation required	いいえ

Affected software configurations

Configuration1	or higher	or less	more than	less than
cpe:2.3:a:mit:kerberos_5:1.7:::::::*
cpe:2.3:a:mit:kerberos_5:1.7.1:::::::*
cpe:2.3:a:mit:kerberos_5:1.8:::::::*
cpe:2.3:a:mit:kerberos_5:1.8.1:::::::*
cpe:2.3:a:mit:kerberos_5:1.8.2:::::::*
cpe:2.3:a:mit:kerberos_5:1.8.3:::::::*
cpe:2.3:a:mit:kerberos_5:1.9:::::::*

Related information, measures and tools

No	URL	タグ
1	http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=621726
2	http://krbdev.mit.edu/rt/Ticket/Display.html?id=6899
3	http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058181.html
4	http://osvdb.org/71789
5	http://secunia.com/advisories/44125
6	http://secunia.com/advisories/44181
7	http://secunia.com/advisories/44196
8	http://securityreason.com/securityalert/8200
9	http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-004.txt	Patch Vendor Advisory
10	http://www.mandriva.com/security/advisories?name=MDVSA-2011:077
11	http://www.redhat.com/support/errata/RHSA-2011-0447.html
12	http://www.securityfocus.com/archive/1/517484/100/0/threaded
13	http://www.securityfocus.com/bid/47310
14	http://www.securitytracker.com/id?1025320
15	http://www.vupen.com/english/advisories/2011/0936
16	http://www.vupen.com/english/advisories/2011/0986
17	http://www.vupen.com/english/advisories/2011/0997
18	https://hermes.opensuse.org/messages/8086843
19	http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=621726
20	https://hermes.opensuse.org/messages/8086843
21	http://www.vupen.com/english/advisories/2011/0997
22	http://www.vupen.com/english/advisories/2011/0986
23	http://www.vupen.com/english/advisories/2011/0936
24	http://www.securitytracker.com/id?1025320
25	http://www.securityfocus.com/bid/47310
26	http://www.securityfocus.com/archive/1/517484/100/0/threaded
27	http://www.redhat.com/support/errata/RHSA-2011-0447.html
28	http://www.mandriva.com/security/advisories?name=MDVSA-2011:077
29	http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-004.txt	Patch Vendor Advisory
30	http://securityreason.com/securityalert/8200
31	http://secunia.com/advisories/44196
32	http://secunia.com/advisories/44181
33	http://secunia.com/advisories/44125
34	http://osvdb.org/71789
35	http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058181.html
36	http://krbdev.mit.edu/rt/Ticket/Display.html?id=6899

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

MIT Kerberos 5 の process_chpw_request 関数における任意のコードを実行される脆弱性

Title	MIT Kerberos 5 の process_chpw_request 関数における任意のコードを実行される脆弱性
Summary	MIT Kerberos 5 の kadmind のパスワード変更を扱う process_chpw_request 関数には、不正なポインタを解放するため、任意のコードを実行される、あるいはサービス運用妨害 (DoS) 状態となる脆弱性が存在します。
Possible impacts	第三者により、サービス運用妨害 (DoS) 状態にされる、または任意のコードを実行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, 2011, midnight
Registration Date	May 10, 2011, 10:40 a.m.
Last Update	May 10, 2011, 10:40 a.m.

Affected System

レッドハット

Red Hat Enterprise Linux Desktop 6

Red Hat Enterprise Linux HPC Node 6

Red Hat Enterprise Linux Server 6

Red Hat Enterprise Linux Workstation 6

MIT Kerberos

Kerberos 5 1.7から1.9

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-2011-0285	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0285
National Vulnerability Database (NVD)
2	CVE-2011-0285	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2011-0285

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
2	CWE-Other	https://www.ipa.go.jp/security/vuln/CWE.html#CWEOther

ベンダー情報

No	Name	URL
MIT krb5 Security Advisory
1	MITKRB5-SA-2011-004	http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-004.txt
Red Hat Security Advisory
2	RHSA-2011:0447	https://rhn.redhat.com/errata/RHSA-2011-0447.html

その他

No	Name	URL
OPEN SOURCE VULNERABILITY DATABASE (OSVDB)
1	71789	http://osvdb.org/71789
Secunia Advisory
2	SA44125	http://secunia.com/advisories/44125
3	SA44196	http://secunia.com/advisories/44196
SecurityFocus
4	47310	http://www.securityfocus.com/bid/47310
SecurityTracker
5	1025320	http://www.securitytracker.com/id?1025320
VUPEN Security
6	VUPEN/ADV-2011-0936	http://www.vupen.com/english/advisories/2011/0936
7	VUPEN/ADV-2011-0986	http://www.vupen.com/english/advisories/2011/0986

Change Log

No	Changed Details	Date of change
0	[2011年05月10日] 掲載	Feb. 17, 2018, 10:37 a.m.

Configuration1	or higher	or less	more than	less than
cpe:2.3:a:mit:kerberos_5:1.7:::::::*
cpe:2.3:a:mit:kerberos_5:1.7.1:::::::*
cpe:2.3:a:mit:kerberos_5:1.8:::::::*
cpe:2.3:a:mit:kerberos_5:1.8.1:::::::*
cpe:2.3:a:mit:kerberos_5:1.8.2:::::::*
cpe:2.3:a:mit:kerberos_5:1.8.3:::::::*
cpe:2.3:a:mit:kerberos_5:1.9:::::::*