CVE-2018-6343

CVSS V2 Medium 5 CVSS V3 High 7.5

Description

Proxygen fails to validate that a secondary auth manager is set before dereferencing it. That can cause a denial of service issue when parsing a Certificate/CertificateRequest HTTP2 Frame over a fizz (TLS 1.3) transport. This issue affects Proxygen releases starting from v2018.10.29.00 until the fix in v2018.11.19.00.

Overview

CVE ID
CVE-2018-6343

Assigner
cve-assign@fb.com

Vulnerability Status
Modified

Published Version
2018-12-31T22:29:00

Last Modified Date
2019-10-09T23:41:47

Weakness Enumerations

CWE	URL
CWE-20	http://cwe.mitre.org/data/definitions/20.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:facebook:proxygen::::::::	1	OR	2018.10.29.00	2018.11.19.00

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

CVSS Version 3

Version
3.0

Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
https://github.com/facebook/proxygen/commit/0600ebe59c3e82cd012def77ca9ca1918da74a71	Patch Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2018-6343
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6343

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:03:52				Added to TrackCVE
2022-12-03 15:55:24	2018-12-31T22:29Z	2018-12-31T22:29:00	CVE Published Date	updated
2022-12-03 15:55:24		2019-10-09T23:41:47	CVE Modified Date	updated
2022-12-03 15:55:24		Modified	Vulnerability Status	updated