NVD Vulnerability Detail

CVE-2011-1947

Summary	fetchmail 5.9.9 through 6.3.19 does not properly limit the wait time after issuing a (1) STARTTLS or (2) STLS request, which allows remote servers to cause a denial of service (application hang) by acknowledging the request but not sending additional packets.
Publication Date	June 3, 2011, 4:55 a.m.
Registration Date	Jan. 28, 2021, 4:38 p.m.
Last Update	Nov. 21, 2024, 10:27 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:fetchmail:fetchmail:6.3.5:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.7:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.0:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.0.0:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.14:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.1:::::::*
cpe:2.3:a:fetchmail:fetchmail:5.9.10:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.5.1:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.12:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc5::::::
cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc4::::::
cpe:2.3:a:fetchmail:fetchmail:6.2.6:pre4::::::
cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc10::::::
cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc3::::::
cpe:2.3:a:fetchmail:fetchmail:5.9.13:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc5::::::
cpe:2.3:a:fetchmail:fetchmail:6.3.2:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.0:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.11:::::::*
cpe:2.3:a:fetchmail:fetchmail:5.9.11:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.17:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc9::::::
cpe:2.3:a:fetchmail:fetchmail:6.1.0:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.8:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.5.4:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc2::::::
cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc4::::::
cpe:2.3:a:fetchmail:fetchmail:6.2.6:pre8::::::
cpe:2.3:a:fetchmail:fetchmail:6.2.2:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.18:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.9:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.3:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.4:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.9:rc2::::::
cpe:2.3:a:fetchmail:fetchmail:6.3.15:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.6:pre9::::::
cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc3::::::
cpe:2.3:a:fetchmail:fetchmail:6.2.5.2:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.5:::::::*
cpe:2.3:a:fetchmail:fetchmail:5.9.9:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.4:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc8::::::
cpe:2.3:a:fetchmail:fetchmail:6.3.16:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc1::::::
cpe:2.3:a:fetchmail:fetchmail:6.3.19:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc7::::::
cpe:2.3:a:fetchmail:fetchmail:6.1.3:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.6:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.3:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.13:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.1:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.10:::::::*

Related information, measures and tools

No	URL	refsource	タグ
1	http://gitorious.org/fetchmail/fetchmail/blobs/legacy_63/fetchmail-SA-2011-01.txt
2	http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061634.html
3	http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061672.html
4	http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061735.html
5	http://openwall.com/lists/oss-security/2011/05/30/1
6	http://openwall.com/lists/oss-security/2011/05/31/12
7	http://openwall.com/lists/oss-security/2011/05/31/17
8	http://openwall.com/lists/oss-security/2011/06/01/2
9	http://www.fetchmail.info/fetchmail-SA-2011-01.txt
10	http://www.mandriva.com/security/advisories?name=MDVSA-2011:107
11	http://www.securityfocus.com/archive/1/518251/100/0/threaded
12	http://www.securityfocus.com/bid/48043
13	http://www.securitytracker.com/id?1025605
14	https://exchange.xforce.ibmcloud.com/vulnerabilities/67700
15	http://gitorious.org/fetchmail/fetchmail/blobs/legacy_63/fetchmail-SA-2011-01.txt
16	https://exchange.xforce.ibmcloud.com/vulnerabilities/67700
17	http://www.securitytracker.com/id?1025605
18	http://www.securityfocus.com/bid/48043
19	http://www.securityfocus.com/archive/1/518251/100/0/threaded
20	http://www.mandriva.com/security/advisories?name=MDVSA-2011:107
21	http://www.fetchmail.info/fetchmail-SA-2011-01.txt
22	http://openwall.com/lists/oss-security/2011/06/01/2
23	http://openwall.com/lists/oss-security/2011/05/31/17
24	http://openwall.com/lists/oss-security/2011/05/31/12
25	http://openwall.com/lists/oss-security/2011/05/30/1
26	http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061735.html
27	http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061672.html
28	http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061634.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

fetchmail におけるサービス運用妨害 (DoS) の脆弱性

Title	fetchmail におけるサービス運用妨害 (DoS) の脆弱性
Summary	fetchmail は、STARTTLS または STLS のリクエストを発行後待ち時間を制限しないため、サービス運用妨害 (アプリケーションハング) 状態となる脆弱性が存在します。
Possible impacts	リモートサーバにより、追加パケットを送信しないにもかかわらずリクエストを認知されることで、サービス運用妨害 (アプリケーションハング) 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	June 2, 2011, midnight
Registration Date	March 27, 2012, 6:43 p.m.
Last Update	March 27, 2012, 6:43 p.m.

Affected System

Fetchmail Project

Fetchmail 5.9.9 から 6.3.19

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-2011-1947	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1947
National Vulnerability Database (NVD)
2	CVE-2011-1947	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2011-1947

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
Fetchmail
1	fetchmail-SA-2011-01	http://www.fetchmail.info/fetchmail-SA-2011-01.txt

Change Log

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

Configuration1	or higher	or less	more than	less than
cpe:2.3:a:fetchmail:fetchmail:6.3.5:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.7:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.0:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.0.0:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.14:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.1:::::::*
cpe:2.3:a:fetchmail:fetchmail:5.9.10:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.5.1:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.12:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc5::::::
cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc4::::::
cpe:2.3:a:fetchmail:fetchmail:6.2.6:pre4::::::
cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc10::::::
cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc3::::::
cpe:2.3:a:fetchmail:fetchmail:5.9.13:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc5::::::
cpe:2.3:a:fetchmail:fetchmail:6.3.2:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.0:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.11:::::::*
cpe:2.3:a:fetchmail:fetchmail:5.9.11:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.17:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc9::::::
cpe:2.3:a:fetchmail:fetchmail:6.1.0:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.8:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.5.4:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc2::::::
cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc4::::::
cpe:2.3:a:fetchmail:fetchmail:6.2.6:pre8::::::
cpe:2.3:a:fetchmail:fetchmail:6.2.2:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.18:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.9:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.3:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.4:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.9:rc2::::::
cpe:2.3:a:fetchmail:fetchmail:6.3.15:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.6:pre9::::::
cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc3::::::
cpe:2.3:a:fetchmail:fetchmail:6.2.5.2:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.5:::::::*
cpe:2.3:a:fetchmail:fetchmail:5.9.9:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.4:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc8::::::
cpe:2.3:a:fetchmail:fetchmail:6.3.16:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc1::::::
cpe:2.3:a:fetchmail:fetchmail:6.3.19:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc7::::::
cpe:2.3:a:fetchmail:fetchmail:6.1.3:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.6:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.2.3:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.13:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.1:::::::*
cpe:2.3:a:fetchmail:fetchmail:6.3.10:::::::*