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CVE-2019-11921

Published: Jul 25, 2019Updated: Nov 21, 2024 Sources: CVE List NVDCWE-787
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
2.1%
Top 21.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-787

Affected Products

proxygenfacebookCommunications
ProxygenFacebookCommunications
facebookcommercialUSCommunicationsaka meta, facebook inc.

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/facebook/proxygen/commit/2f07985bef9fbae124cc63e5c0272e32da4fdaec
github.com
https://www.facebook.com/security/advisories/cve-2019-11921
facebook.com

Timeline

Published
Jul 25, 2019
Last Updated
Nov 21, 2024

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