CVE-2018-5092

A use-after-free vulnerability can occur when the thread for a Web Worker is freed from memory prematurely instead of from memory in the main thread while cancelling fetch operations. This vulnerability affects Firefox < 58.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.mozilla.org/security/advisories/mfsa2018-02/	Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1418074	Issue Tracking Permissions Required
https://usn.ubuntu.com/3544-1/	Third Party Advisory
http://www.securitytracker.com/id/1040270	Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/102786	Third Party Advisory VDB Entry

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Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:17.10:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::

Information

Published : 2018-06-11 14:29

Updated : 2018-06-25 10:31

NVD link : CVE-2018-5092

Mitre link : CVE-2018-5092

JSON object : View

CWE

CWE-416

Use After Free

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Products Affected

mozilla

firefox

canonical

ubuntu_linux

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