NVD Vulnerability Detail

CVE-2010-2951

Summary	dns_internal.cc in Squid 3.1.6, when IPv6 DNS resolution is not enabled, accesses an invalid socket during an IPv4 TCP DNS query, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via vectors that trigger an IPv4 DNS response with the TC bit set.
Publication Date	Oct. 13, 2010, 6 a.m.
Registration Date	Jan. 29, 2021, 11:04 a.m.
Last Update	Nov. 21, 2024, 10:17 a.m.

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:a:squid-cache:squid:3.1.6:::::::*

Related information, measures and tools

No	URL	タグ
1	http://bazaar.launchpad.net/~squid/squid/3.1/revision/10072	Patch
2	http://bazaar.launchpad.net/~squid/squid/3.1/revision/10072	Patch
3	http://bugs.gentoo.org/show_bug.cgi?id=334263
4	http://bugs.gentoo.org/show_bug.cgi?id=334263
5	http://bugs.squid-cache.org/show_bug.cgi?id=3009
6	http://bugs.squid-cache.org/show_bug.cgi?id=3009
7	http://bugs.squid-cache.org/show_bug.cgi?id=3021
8	http://bugs.squid-cache.org/show_bug.cgi?id=3021
9	http://marc.info/?l=squid-users&m=128263555724981&w=2	Patch Vendor Advisory
10	http://marc.info/?l=squid-users&m=128263555724981&w=2	Patch Vendor Advisory
11	http://www.openwall.com/lists/oss-security/2010/08/24/6
12	http://www.openwall.com/lists/oss-security/2010/08/24/6
13	http://www.openwall.com/lists/oss-security/2010/08/24/7
14	http://www.openwall.com/lists/oss-security/2010/08/24/7
15	http://www.openwall.com/lists/oss-security/2010/08/25/2	Patch
16	http://www.openwall.com/lists/oss-security/2010/08/25/2	Patch
17	http://www.openwall.com/lists/oss-security/2010/08/25/6
18	http://www.openwall.com/lists/oss-security/2010/08/25/6
19	http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10072.patch	Patch
20	http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10072.patch	Patch
21	https://bugzilla.redhat.com/show_bug.cgi?id=626927
22	https://bugzilla.redhat.com/show_bug.cgi?id=626927

Common Vulnerabilities List

JVN Vulnerability Information

Squid の dns_internal.cc におけるサービス運用妨害 (DoS) の脆弱性

Title	Squid の dns_internal.cc におけるサービス運用妨害 (DoS) の脆弱性
Summary	Squid の dns_internal.cc は、IPv6 DNS 解決が有効でない際、IPv4 TCP DNS クエリ実行中に無効なソケットにアクセスするため、サービス運用妨害 (アサーション失敗およびデーモン終了) 状態となる脆弱性が存在します。
Possible impacts	第三者により、TC ビットセットを伴う IPv4 DNS レスポンスを誘発され、サービス運用妨害 (アサーション失敗およびデーモン終了) 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. 12, 2010, midnight
Registration Date	March 27, 2012, 6:42 p.m.
Last Update	March 27, 2012, 6:42 p.m.

Affected System

Squid-cache.org

Squid 3.1.6

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-2010-2951	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-2951
National Vulnerability Database (NVD)
2	CVE-2010-2951	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2010-2951

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
squid-cache
1	revno: 10072	http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10072.patch

Change Log

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