CVE-2020-12422

In non-standard configurations, a JPEG image created by JavaScript could have caused an internal variable to overflow, resulting in an out of bounds write, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 78.

CVSS v3.0 8.8 HIGH
CVSS v2.0 7.6 HIGH

8.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.6^/10

CVSS v2.0 : HIGH

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

Exploitability : 4.9 / Impact : 10.0

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.mozilla.org/security/advisories/mfsa2020-24/	Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1450353	Issue Tracking Permissions Required Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html
https://security.gentoo.org/glsa/202007-10

Configurations

Configuration 1 (hide)

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

Information

Published : 2020-07-09 15:15

Updated : 2020-07-27 02:15

NVD link : CVE-2020-12422

Mitre link : CVE-2020-12422

JSON object : View

Products Affected

mozilla

firefox

CWE

CWE-787

Out-of-bounds Write

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