7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
27.0%
When the Mozilla Updater opens a MAR format file which contains a very long
item filename, an out-of-bounds write can be triggered, leading to a
potentially exploitable crash. This requires running the Mozilla Updater
manually on the local system with the malicious MAR file in order to occur.
This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and
Thunderbird < 60.2.1.
Author | Note |
---|---|
chrisccoulson | Affects the upstream updater |
launchpad.net/bugs/cve/CVE-2018-12379
nvd.nist.gov/vuln/detail/CVE-2018-12379
security-tracker.debian.org/tracker/CVE-2018-12379
www.cve.org/CVERecord?id=CVE-2018-12379
www.mozilla.org/en-US/security/advisories/mfsa2018-20/#CVE-2018-12379
www.mozilla.org/en-US/security/advisories/mfsa2018-21/#CVE-2018-12379
www.mozilla.org/en-US/security/advisories/mfsa2018-25/#CVE-2018-12379
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
27.0%