CVE-2021-29964

A locally-installed hostile program could send `WM_COPYDATA` messages that Firefox would process incorrectly, leading to an out-of-bounds read. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11.

CVSS v3 7.1 HIGH
CVSS v2.0 5.8 MEDIUM

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1706501	Permissions Required Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-23/	Release Notes Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-24/	Release Notes Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-26/	Release Notes Vendor Advisory

Configurations

Configuration 1 (hide)

AND

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

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

History

No history.

Information

Published : 2021-06-24 14:15

Updated : 2021-06-30 20:56

NVD link : CVE-2021-29964

Mitre link : CVE-2021-29964

CVE.ORG link : CVE-2021-29964

JSON object : View

Products Affected

mozilla

thunderbird
firefox
firefox_esr

microsoft

windows

CWE

CWE-125

Out-of-bounds Read

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