CVE-2019-11940

CVSS V2 High 7.5 CVSS V3 Critical 9.8
Description
In the course of decompressing HPACK inside the HTTP2 protocol, an unexpected sequence of header table resize operations can place the header table into a corrupted state, leading to a use-after-free condition and undefined behavior. This issue affects Proxygen from v0.29.0 until v2017.04.03.00.
Overview
  • CVE ID
  • CVE-2019-11940
  • Assigner
  • cve-assign@fb.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-12-04T17:16:43
  • Last Modified Date
  • 2019-12-17T20:18:50
Weakness Enumerations
CWE URL
CWE-416 http://cwe.mitre.org/data/definitions/416.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:facebook:proxygen:*:*:*:*:*:*:*:* 1 OR 0.29.0 2017.04.03.00
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
  • 3.1
  • Vector String
  • CVSS:3.1/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-2019-11940 Third Party Advisory
https://github.com/facebook/proxygen/commit/f43b134cc5c19d8532e7fb670a1c02e85f7a8d4f Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-11940
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11940
History
Created Old Value New Value Data Type Notes
2022-05-10 16:56:42 Added to TrackCVE
2022-12-04 07:23:09 2019-12-04T17:16Z 2019-12-04T17:16:43 CVE Published Date updated
2022-12-04 07:23:09 2019-12-17T20:18:50 CVE Modified Date updated
2022-12-04 07:23:09 Analyzed Vulnerability Status updated