CVE-2019-11758

Mozilla community member Philipp reported a memory safety bug present in Firefox 68 when 360 Total Security was installed. This bug showed evidence of memory corruption in the accessibility engine and we presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Firefox < 69, Thunderbird < 68.2, and Firefox ESR < 68.2.

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/mfsa2019-35/	Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1536227	Exploit Issue Tracking Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-33/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-25/	Vendor Advisory
https://usn.ubuntu.com/4335-1/	Third Party Advisory

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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::::::::

Configuration 2 (hide)

cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*

Information

Published : 2020-01-08 12:15

Updated : 2022-04-22 12:01

NVD link : CVE-2019-11758

Mitre link : CVE-2019-11758

JSON object : View

CWE

CWE-787

Out-of-bounds Write

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Products Affected

mozilla

firefox
firefox_esr
thunderbird

canonical

ubuntu_linux

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