CVE-2019-17026

Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 68.4.1, Thunderbird < 68.4.1, and Firefox < 72.0.1.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

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

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.mozilla.org/security/advisories/mfsa2020-03/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-04/	Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1607443	Permissions Required
https://security.gentoo.org/glsa/202003-02
https://usn.ubuntu.com/4335-1/
http://packetstormsecurity.com/files/162568/Firefox-72-IonMonkey-JIT-Type-Confusion.html

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Configurations

Configuration 1 (hide)

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

Information

Published : 2020-03-01 21:15

Updated : 2021-05-13 11:15

NVD link : CVE-2019-17026

Mitre link : CVE-2019-17026

JSON object : View

CWE

CWE-843

Access of Resource Using Incompatible Type ('Type Confusion')

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Products Affected

mozilla

firefox
firefox_esr
thunderbird

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