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CVE-2020-12417

nvd nist
Published: Jul 9, 2020Modified: Nov 21, 2024

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8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability: 2.8 / Impact: 5.9
Source: NVD

Description

Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in memory corruption and a potentially exploitable crash. *Note: this issue only affects Firefox on ARM64 platforms.* This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

Affected (9)

Mozilla
3 products
Firefox
Firefox Esr
Thunderbird
Canonical
1 product
Ubuntu Linux
Opensuse
1 product
Leap
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Firefox
Before 78.0
Firefox Esr
Before 68.10.0
Thunderbird
Before 68.10.0
Configuration B
4 vulnerable
Vulnerable SoftwareAffected Versions
Canonical
Ubuntu Linux
Version 16.04
Ubuntu Linux
Version 18.04
Ubuntu Linux
Version 19.10
Ubuntu Linux
Version 20.04
Configuration C
2 vulnerable
Vulnerable SoftwareAffected Versions
Opensuse
Leap
Version 15.1
Leap
Version 15.2

Related CWEs

CWE-617
Reachable Assertion
The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.
CWE-681
Incorrect Conversion between Numeric Types
When converting from one data type to another, such as long to integer, data can be omitted or translated in a way that produces unexpected values. If the resulting values are used in a sensitive context, then dangerous behaviors may occur.
CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.

References (22)

Source: security@mozilla.org
Mailing ListThird Party Advisory
Source: security@mozilla.org
Mailing ListThird Party Advisory
Source: security@mozilla.org
Mailing ListThird Party Advisory
Source: security@mozilla.org
Mailing ListThird Party Advisory
Source: security@mozilla.org
ExploitIssue TrackingVendor Advisory
Source: security@mozilla.org
Third Party Advisory
Source: security@mozilla.org
Third Party Advisory
Source: security@mozilla.org
Third Party Advisory
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitIssue TrackingVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

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