NVD Vulnerability Detail

CVE-2011-4096

Summary	The idnsGrokReply function in Squid before 3.1.16 does not properly free memory, which allows remote attackers to cause a denial of service (daemon abort) via a DNS reply containing a CNAME record that references another CNAME record that contains an empty A record.
Publication Date	Nov. 18, 2011, 4:55 a.m.
Registration Date	Jan. 28, 2021, 4:39 p.m.
Last Update	Nov. 21, 2024, 10:31 a.m.

CVSS2.0 : MEDIUM
Score	5.0
Vector	AV:N/AC:L/Au:N/C:N/I:N/A:P
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)	なし
完全性への影響(I)	なし
可用性への影響(A)	低
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:squid-cache:squid:3.1.0.18:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable13:::::::*
cpe:2.3:a:squid-cache:squid:3.0:rc4::::::
cpe:2.3:a:squid-cache:squid:3.0.stable9:::::::*
cpe:2.3:a:squid-cache:squid:3.1.13:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable9:::::
cpe:2.3:a:squid-cache:squid:3.0.stable20:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable14:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable3:::::::*
cpe:2.3:a:squid-cache:squid:3.0::pre5:::::
cpe:2.3:a:squid-cache:squid:3.0::pre3:::::
cpe:2.3:a:squid-cache:squid:3.0::stable11:::::
cpe:2.3:a:squid-cache:squid:3.1.0.7:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.14:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable4:::::::*
cpe:2.3:a:squid-cache:squid:3.0::pre7:::::
cpe:2.3:a:squid-cache:squid:3.1.0.12:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable10:::::
cpe:2.3:a:squid-cache:squid:3.1.1:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable24:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.3:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.1:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable16:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable16:rc1::::::
cpe:2.3:a:squid-cache:squid:3.0::pre2:::::
cpe:2.3:a:squid-cache:squid:3.0::stable4:::::
cpe:2.3:a:squid-cache:squid:3.1.14:::::::*
cpe:2.3:a:squid-cache:squid:3.1.8:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable2:::::
cpe:2.3:a:squid-cache:squid:3.0.stable11:rc1::::::
cpe:2.3:a:squid-cache:squid:3.0.stable18:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable1:::::::*
cpe:2.3:a:squid-cache:squid:3.0:rc1:stable11:::::*
cpe:2.3:a:squid-cache:squid:3.1.6:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.9:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.15:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable14:::::
cpe:2.3:a:squid-cache:squid:3.0.stable6:::::::*
cpe:2.3:a:squid-cache:squid:3.0::pre6:::::
cpe:2.3:a:squid-cache:squid:3.1.0.13:::::::*
cpe:2.3:a:squid-cache:squid:3.1.12:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable15:::::::*
cpe:2.3:a:squid-cache:squid:3.1.10:::::::*
cpe:2.3:a:squid-cache:squid:3.1.3:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.2:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable5:::::::*
cpe:2.3:a:squid-cache:squid:3.1.5:::::::*
cpe:2.3:a:squid-cache:squid:3.1.7:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable15:::::
cpe:2.3:a:squid-cache:squid:3.0.stable21:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.6:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable12:::::
cpe:2.3:a:squid-cache:squid:3.1.0.4:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable5:::::
cpe:2.3:a:squid-cache:squid:3.0.stable17:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable6:::::
cpe:2.3:a:squid-cache:squid:3.1:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.16:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable11:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable7:::::
cpe:2.3:a:squid-cache:squid:3.0::stable8:::::
cpe:2.3:a:squid-cache:squid:3.1.4:::::::*
cpe:2.3:a:squid-cache:squid:3.1.11:::::::*
cpe:2.3:a:squid-cache:squid:3.0::pre1:::::
cpe:2.3:a:squid-cache:squid:3.1.0.8:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable13:::::
cpe:2.3:a:squid-cache:squid:3.0.stable10:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable8:::::::*
cpe:2.3:a:squid-cache:squid:3.1.2:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.5:::::::*
cpe:2.3:a:squid-cache:squid:3.1.5.1:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.10:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable12:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable25:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable3:::::
cpe:2.3:a:squid-cache:squid:3.0::pre4:::::
cpe:2.3:a:squid-cache:squid:3.0::stable1:::::
cpe:2.3:a:squid-cache:squid:3.0.stable23:::::::*
cpe:2.3:a:squid-cache:squid:3.1.9:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable22:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.11:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable2:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable7:::::::*
cpe:2.3:a:squid-cache:squid:3.0:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.17:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable19:::::::*
cpe:2.3:a:squid-cache:squid::::::::		3.1.15

Related information, measures and tools

No	URL	タグ
1	http://bugs.squid-cache.org/show_bug.cgi?id=3237#c12
2	http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
3	http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
4	http://secunia.com/advisories/46609	Vendor Advisory
5	http://secunia.com/advisories/47459
6	http://www.mandriva.com/security/advisories?name=MDVSA-2011:193
7	http://www.openwall.com/lists/oss-security/2011/10/31/5
8	http://www.openwall.com/lists/oss-security/2011/11/01/3
9	http://www.redhat.com/support/errata/RHSA-2011-1791.html
10	http://www.securitytracker.com/id?1026265
11	http://www.squid-cache.org/Versions/v3/3.1/changesets/SQUID_3_1_16.html
12	http://bugs.squid-cache.org/show_bug.cgi?id=3237#c12
13	http://www.squid-cache.org/Versions/v3/3.1/changesets/SQUID_3_1_16.html
14	http://www.securitytracker.com/id?1026265
15	http://www.redhat.com/support/errata/RHSA-2011-1791.html
16	http://www.openwall.com/lists/oss-security/2011/11/01/3
17	http://www.openwall.com/lists/oss-security/2011/10/31/5
18	http://www.mandriva.com/security/advisories?name=MDVSA-2011:193
19	http://secunia.com/advisories/47459
20	http://secunia.com/advisories/46609	Vendor Advisory
21	http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
22	http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-399	リソース管理の問題	https://cwe.mitre.org/data/definitions/399.html

JVN Vulnerability Information

Squid の idnsGrokReply 関数におけるサービス運用妨害 (デーモンの停止) の脆弱性

Title	Squid の idnsGrokReply 関数におけるサービス運用妨害 (デーモンの停止) の脆弱性
Summary	Squid の idnsGrokReply 関数は、メモリを適切に解放しないため、サービス運用妨害 (デーモンの停止) 状態となる脆弱性が存在します。
Possible impacts	第三者により、DNS 応答内の CNAME レコードが参照する別の CNAME レコードに含まれる空の A レコードを介して、サービス運用妨害 (デーモンの停止) 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	Oct. 17, 2011, midnight
Registration Date	Nov. 21, 2011, 4:05 p.m.
Last Update	Nov. 21, 2011, 4:05 p.m.

Affected System

Squid-cache.org

Squid 3.1.16 未満

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-2011-4096	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4096
National Vulnerability Database (NVD)
2	CVE-2011-4096	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2011-4096

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-399	https://jvndb.jvn.jp/ja/cwe/CWE-399.html

ベンダー情報

No	Name	URL
Squid Bugzilla
1	3237	http://bugs.squid-cache.org/show_bug.cgi?id=3237#c12
Squid-cache.org
2	Squid 3.1.16 changes	http://www.squid-cache.org/Versions/v3/3.1/changesets/SQUID_3_1_16.html

Change Log

No	Changed Details	Date of change
0	[2011年11月21日] 掲載	Feb. 17, 2018, 10:37 a.m.

Configuration1	or higher	or less	more than	less than
cpe:2.3:a:squid-cache:squid:3.1.0.18:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable13:::::::*
cpe:2.3:a:squid-cache:squid:3.0:rc4::::::
cpe:2.3:a:squid-cache:squid:3.0.stable9:::::::*
cpe:2.3:a:squid-cache:squid:3.1.13:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable9:::::
cpe:2.3:a:squid-cache:squid:3.0.stable20:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable14:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable3:::::::*
cpe:2.3:a:squid-cache:squid:3.0::pre5:::::
cpe:2.3:a:squid-cache:squid:3.0::pre3:::::
cpe:2.3:a:squid-cache:squid:3.0::stable11:::::
cpe:2.3:a:squid-cache:squid:3.1.0.7:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.14:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable4:::::::*
cpe:2.3:a:squid-cache:squid:3.0::pre7:::::
cpe:2.3:a:squid-cache:squid:3.1.0.12:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable10:::::
cpe:2.3:a:squid-cache:squid:3.1.1:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable24:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.3:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.1:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable16:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable16:rc1::::::
cpe:2.3:a:squid-cache:squid:3.0::pre2:::::
cpe:2.3:a:squid-cache:squid:3.0::stable4:::::
cpe:2.3:a:squid-cache:squid:3.1.14:::::::*
cpe:2.3:a:squid-cache:squid:3.1.8:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable2:::::
cpe:2.3:a:squid-cache:squid:3.0.stable11:rc1::::::
cpe:2.3:a:squid-cache:squid:3.0.stable18:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable1:::::::*
cpe:2.3:a:squid-cache:squid:3.0:rc1:stable11:::::*
cpe:2.3:a:squid-cache:squid:3.1.6:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.9:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.15:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable14:::::
cpe:2.3:a:squid-cache:squid:3.0.stable6:::::::*
cpe:2.3:a:squid-cache:squid:3.0::pre6:::::
cpe:2.3:a:squid-cache:squid:3.1.0.13:::::::*
cpe:2.3:a:squid-cache:squid:3.1.12:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable15:::::::*
cpe:2.3:a:squid-cache:squid:3.1.10:::::::*
cpe:2.3:a:squid-cache:squid:3.1.3:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.2:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable5:::::::*
cpe:2.3:a:squid-cache:squid:3.1.5:::::::*
cpe:2.3:a:squid-cache:squid:3.1.7:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable15:::::
cpe:2.3:a:squid-cache:squid:3.0.stable21:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.6:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable12:::::
cpe:2.3:a:squid-cache:squid:3.1.0.4:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable5:::::
cpe:2.3:a:squid-cache:squid:3.0.stable17:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable6:::::
cpe:2.3:a:squid-cache:squid:3.1:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.16:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable11:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable7:::::
cpe:2.3:a:squid-cache:squid:3.0::stable8:::::
cpe:2.3:a:squid-cache:squid:3.1.4:::::::*
cpe:2.3:a:squid-cache:squid:3.1.11:::::::*
cpe:2.3:a:squid-cache:squid:3.0::pre1:::::
cpe:2.3:a:squid-cache:squid:3.1.0.8:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable13:::::
cpe:2.3:a:squid-cache:squid:3.0.stable10:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable8:::::::*
cpe:2.3:a:squid-cache:squid:3.1.2:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.5:::::::*
cpe:2.3:a:squid-cache:squid:3.1.5.1:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.10:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable12:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable25:::::::*
cpe:2.3:a:squid-cache:squid:3.0::stable3:::::
cpe:2.3:a:squid-cache:squid:3.0::pre4:::::
cpe:2.3:a:squid-cache:squid:3.0::stable1:::::
cpe:2.3:a:squid-cache:squid:3.0.stable23:::::::*
cpe:2.3:a:squid-cache:squid:3.1.9:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable22:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.11:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable2:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable7:::::::*
cpe:2.3:a:squid-cache:squid:3.0:::::::*
cpe:2.3:a:squid-cache:squid:3.1.0.17:::::::*
cpe:2.3:a:squid-cache:squid:3.0.stable19:::::::*
cpe:2.3:a:squid-cache:squid::::::::		3.1.15