CVE-2018-12379 describes an out-of-bounds write vulnerability in the Mozilla Updater, affecting Firefox versions prior to 62, Firefox ESR prior to 60.2, and Thunderbird prior to 60.2.1. This flaw occurs when the updater processes a specially crafted MAR file containing an excessively long item filename, leading to a potentially exploitable crash. The vulnerability has a CVSS score of 7.8 (High), indicating a significant impact on confidentiality, integrity, and availability if exploited. Exploitation requires local access and manual execution of the updater with a malicious file, but does not rely on user interaction. Currently, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
6.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | ||
6.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* | ||
7.6CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.