CVE-2020-12395
Mozilla Firefox & Thunderbird Memory Safety Bugs
Description
Mozilla developers and community members reported memory safety bugs present in Firefox 75 and Firefox ESR 68.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
INFO
Published Date :
May 26, 2020, 5:15 p.m.
Last Modified :
April 26, 2022, 7:24 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2020-12395
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-12395.
| URL | Resource |
|---|---|
| https://bugzilla.mozilla.org/buglist.cgi?bug_id=1595886%2C1611482%2C1614704%2C1624098%2C1625749%2C1626382%2C1628076%2C1631508 | Broken Link Issue Tracking |
| https://security.gentoo.org/glsa/202005-03 | Third Party Advisory |
| https://security.gentoo.org/glsa/202005-04 | Third Party Advisory |
| https://usn.ubuntu.com/4373-1/ | Third Party Advisory |
| https://www.mozilla.org/security/advisories/mfsa2020-16/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2020-17/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2020-18/ | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-12395 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-12395 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Apr. 26, 2022
Action Type Old Value New Value Changed Reference Type https://bugzilla.mozilla.org/buglist.cgi?bug_id=1595886%2C1611482%2C1614704%2C1624098%2C1625749%2C1626382%2C1628076%2C1631508 Broken Link https://bugzilla.mozilla.org/buglist.cgi?bug_id=1595886%2C1611482%2C1614704%2C1624098%2C1625749%2C1626382%2C1628076%2C1631508 Broken Link, Issue Tracking Changed Reference Type https://security.gentoo.org/glsa/202005-03 No Types Assigned https://security.gentoo.org/glsa/202005-03 Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/202005-04 No Types Assigned https://security.gentoo.org/glsa/202005-04 Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4373-1/ No Types Assigned https://usn.ubuntu.com/4373-1/ Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* -
CWE Remap by [email protected]
Jul. 21, 2021
Action Type Old Value New Value Changed CWE CWE-119 CWE-787 -
CVE Modified by [email protected]
Jun. 12, 2020
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202005-04 [No Types Assigned] -
CVE Modified by [email protected]
Jun. 12, 2020
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202005-03 [No Types Assigned] -
CVE Modified by [email protected]
Jun. 02, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4373-1/ [No Types Assigned] -
Initial Analysis by [email protected]
May. 28, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://bugzilla.mozilla.org/buglist.cgi?bug_id=1595886%2C1611482%2C1614704%2C1624098%2C1625749%2C1626382%2C1628076%2C1631508 No Types Assigned https://bugzilla.mozilla.org/buglist.cgi?bug_id=1595886%2C1611482%2C1614704%2C1624098%2C1625749%2C1626382%2C1628076%2C1631508 Broken Link Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2020-16/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2020-16/ Vendor Advisory Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2020-17/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2020-17/ Vendor Advisory Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2020-18/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2020-18/ Vendor Advisory Added CWE NIST CWE-119 Added CPE Configuration OR *cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* versions up to (excluding) 76.0 *cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* versions up to (excluding) 68.8.0 *cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* versions up to (excluding) 68.8.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-12395 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-12395
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.75 }} -0.01%
score
0.81288
percentile