CVE Vulnerability

CVE-2018-18500

A use-after-free vulnerability can occur while parsing an HTML5 stream in concert with custom HTML elements. This results in the stream parser object being freed while still in use, leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 60.5, Firefox ESR < 60.5, and Firefox < 65.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

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

References
Link Resource
https://www.mozilla.org/security/advisories/mfsa2019-03/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-02/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-01/ Vendor Advisory
https://www.debian.org/security/2019/dsa-4376 Third Party Advisory
https://usn.ubuntu.com/3874-1/ Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/01/msg00025.html Mailing List Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0270 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0269 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0219 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0218 Third Party Advisory
http://www.securityfocus.com/bid/106781 Third Party Advisory VDB Entry
https://www.debian.org/security/2019/dsa-4392 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00024.html Mailing List Third Party Advisory
https://usn.ubuntu.com/3897-1/ Third Party Advisory
https://security.gentoo.org/glsa/201903-04 Third Party Advisory
https://security.gentoo.org/glsa/201904-07
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00021.html
Configurations

Configuration 1

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
Information

Published : 2019-02-05 09:29

Updated : 2019-04-02 07:29

NVD link : CVE-2018-18500

Mitre link : CVE-2018-18500

Products Affected
No products.
CWE
CWE-416