NVD Vulnerability Detail

CVE-2020-11076

Summary	In Puma (RubyGem) before 4.3.4 and 3.12.5, an attacker could smuggle an HTTP response, by using an invalid transfer-encoding header. The problem has been fixed in Puma 3.12.5 and Puma 4.3.4.
Publication Date	May 23, 2020, 12:15 a.m.
Registration Date	Jan. 26, 2021, 11:50 a.m.
Last Update	Nov. 21, 2024, 1:56 p.m.

Affected software configurations

Configuration2		or higher	or less	more than	less than
cpe:2.3:o:fedoraproject:fedora:33:::::::*

Configuration3		or higher	or less	more than	less than
cpe:2.3:o:debian:debian_linux:9.0:::::::*

Related information, measures and tools

No	URL	タグ
1	http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00034.html	Mailing List Third Party Advisory
2	http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00038.html	Mailing List Third Party Advisory
3	https://github.com/puma/puma/blob/master/History.md#434435-and-31253126--2020-05-22	Release Notes
4	https://github.com/puma/puma/commit/f24d5521295a2152c286abb0a45a1e1e2bd275bd	Patch
5	https://github.com/puma/puma/security/advisories/GHSA-x7jg-6pwg-fx5h	Third Party Advisory
6	https://lists.debian.org/debian-lts-announce/2020/10/msg00009.html	Mailing List Third Party Advisory
7	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKIY5H67GJIGJL6SMFWFLUQQQR3EMVPR/
8	http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00034.html	Mailing List Third Party Advisory
9	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKIY5H67GJIGJL6SMFWFLUQQQR3EMVPR/
10	https://lists.debian.org/debian-lts-announce/2020/10/msg00009.html	Mailing List Third Party Advisory
11	https://github.com/puma/puma/security/advisories/GHSA-x7jg-6pwg-fx5h	Third Party Advisory
12	https://github.com/puma/puma/commit/f24d5521295a2152c286abb0a45a1e1e2bd275bd	Patch
13	https://github.com/puma/puma/blob/master/History.md#434435-and-31253126--2020-05-22	Release Notes
14	http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00038.html	Mailing List Third Party Advisory

Common Vulnerabilities List

JVN Vulnerability Information

Puma における HTTP リクエストスマグリングに関する脆弱性

Title	Puma における HTTP リクエストスマグリングに関する脆弱性
Summary	Puma (RubyGem) には、HTTP リクエストスマグリングに関する脆弱性が存在します。
Possible impacts	情報を改ざん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	May 19, 2020, midnight
Registration Date	June 22, 2020, 4:39 p.m.
Last Update	June 22, 2020, 4:39 p.m.

Affected System

Puma

puma 3.12.5 未満

puma 4.3.4 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-2020-11076	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11076
National Vulnerability Database (NVD)
2	CVE-2020-11076	https://nvd.nist.gov/vuln/detail/CVE-2020-11076

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-444	https://cwe.mitre.org/data/definitions/444.html

ベンダー情報

No	Name	URL
GitHub
1	Better handle client input	https://github.com/puma/puma/commit/f24d5521295a2152c286abb0a45a1e1e2bd275bd
2	HTTP Smuggling via Transfer-Encoding Header	https://github.com/puma/puma/security/advisories/GHSA-x7jg-6pwg-fx5h
3	puma/History.md	https://github.com/puma/puma/blob/master/History.md#434435-and-31253126--2020-05-22

Change Log

No	Changed Details	Date of change
1	[2020年06月22日] 掲載	June 22, 2020, 4:39 p.m.