CVE-2020-11076

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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/puma/puma/blob/master/History.md#434435-and-31253126--2020-05-22	Release Notes Third Party Advisory
https://github.com/puma/puma/security/advisories/GHSA-x7jg-6pwg-fx5h	Third Party Advisory
https://github.com/puma/puma/commit/f24d5521295a2152c286abb0a45a1e1e2bd275bd	Patch Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00034.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00038.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SKIY5H67GJIGJL6SMFWFLUQQQR3EMVPR/
https://lists.debian.org/debian-lts-announce/2020/10/msg00009.html

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:puma:puma::::::ruby::*
	cpe:2.3:a:puma:puma::::::ruby::*

Information

Published : 2020-05-22 15:15

Updated : 2020-10-07 13:15

NVD link : CVE-2020-11076

Mitre link : CVE-2020-11076

JSON object : View

Products Affected

puma

puma

CWE

CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

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