CVE-2019-17021

During the initialization of a new content process, a race condition occurs that can allow a content process to disclose heap addresses from the parent process. *Note: this issue only occurs on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.

CVSS v3.0 5.3 MEDIUM
CVSS v2.0 2.6 LOW

5.3^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

2.6^/10

CVSS v2.0 : LOW

Vector : AV:N/AC:H/Au:N/C:P/I:N/A:N

Exploitability : 4.9 / Impact : 2.9

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://www.mozilla.org/security/advisories/mfsa2020-01/	Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1599008	Exploit Issue Tracking Permissions Required
https://www.mozilla.org/security/advisories/mfsa2020-02/	Vendor Advisory
https://seclists.org/bugtraq/2020/Jan/18	Mailing List Third Party Advisory
http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.html	Exploit Third Party Advisory VDB Entry
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.html	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:a:mozilla:firefox::::::::
	cpe:2.3:a:mozilla:firefox_esr::::::::

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

Information

Published : 2020-01-08 14:15

Updated : 2022-01-01 12:02

NVD link : CVE-2019-17021

Mitre link : CVE-2019-17021

JSON object : View

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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Products Affected

mozilla

firefox
firefox_esr

microsoft

windows

opensuse

leap

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