CVE-2019-11921

CVSS V2 High 7.5 CVSS V3 Critical 9.8
Description
An out of bounds write is possible via a specially crafted packet in certain configurations of Proxygen due to improper handling of Base64 when parsing malformed binary content in Structured HTTP Headers. This issue affects versions of proxygen prior to v2019.07.22.00.
Overview
  • CVE ID
  • CVE-2019-11921
  • Assigner
  • cve-assign@fb.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-07-25T21:15:11
  • Last Modified Date
  • 2019-08-02T20:43:25
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:facebook:proxygen:*:*:*:*:*:*:*:* 1 OR 2019.07.22.00
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.facebook.com/security/advisories/cve-2019-11921 Third Party Advisory
https://github.com/facebook/proxygen/commit/2f07985bef9fbae124cc63e5c0272e32da4fdaec Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-11921
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11921
History
Created Old Value New Value Data Type Notes
2022-05-10 17:39:41 Added to TrackCVE
2022-12-03 23:57:00 2019-07-25T21:15Z 2019-07-25T21:15:11 CVE Published Date updated
2022-12-03 23:57:00 2019-08-02T20:43:25 CVE Modified Date updated
2022-12-03 23:57:00 Analyzed Vulnerability Status updated