CVE-2020-11076

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
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.
Overview
  • CVE ID
  • CVE-2020-11076
  • Assigner
  • security-advisories@github.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-05-22T15:15:11
  • Last Modified Date
  • 2023-03-03T02:39:26
Weakness Enumerations
CWE URL
CWE-444 http://cwe.mitre.org/data/definitions/444.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:puma:puma:*:*:*:*:*:ruby:*:* 1 OR 3.0.0 3.12.6
cpe:2.3:a:puma:puma:*:*:*:*:*:ruby:*:* 1 OR 4.0.0 4.3.5
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-11076
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11076
History
Created Old Value New Value Data Type Notes
2022-05-10 17:10:02 Added to TrackCVE
2022-12-04 16:55:37 2020-05-22T15:15Z 2020-05-22T15:15:11 CVE Published Date updated
2022-12-04 16:55:37 2020-10-07T13:15:11 CVE Modified Date updated
2022-12-04 16:55:37 Modified Vulnerability Status updated
2022-12-30 23:10:31 Modified Undergoing Analysis Vulnerability Status updated
2023-03-03 03:14:23 2023-03-03T02:39:26 CVE Modified Date updated
2023-03-03 03:14:23 Undergoing Analysis Analyzed Vulnerability Status updated