CVE-2019-11757
Mozilla Firefox/Firefox ESR Use-After-Free Lands Out-Of-Bounds Crash
Description
When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
INFO
Published Date :
Jan. 8, 2020, 8:15 p.m.
Last Modified :
Feb. 1, 2023, 5:10 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
Affected Products
The following products are affected by CVE-2019-11757
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-2019-11757.
| URL | Resource |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1577107 | Issue Tracking Permissions Required |
| https://security.gentoo.org/glsa/202003-10 | Third Party Advisory |
| https://usn.ubuntu.com/4335-1/ | Third Party Advisory |
| https://www.mozilla.org/security/advisories/mfsa2019-33/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2019-34/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2019-35/ | 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-2019-11757 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-11757 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]
Feb. 01, 2023
Action Type Old Value New Value Changed Reference Type https://security.gentoo.org/glsa/202003-10 No Types Assigned https://security.gentoo.org/glsa/202003-10 Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4335-1/ No Types Assigned https://usn.ubuntu.com/4335-1/ Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* -
CVE Modified by [email protected]
Apr. 29, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4335-1/ [No Types Assigned] -
CVE Modified by [email protected]
Mar. 14, 2020
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202003-10 [No Types Assigned] -
Reanalysis by [email protected]
Jan. 13, 2020
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P) Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://bugzilla.mozilla.org/show_bug.cgi?id=1577107 Permissions Required https://bugzilla.mozilla.org/show_bug.cgi?id=1577107 Issue Tracking, Permissions Required -
Initial Analysis by [email protected]
Jan. 10, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) 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/show_bug.cgi?id=1577107 No Types Assigned https://bugzilla.mozilla.org/show_bug.cgi?id=1577107 Permissions Required Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2019-33/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2019-33/ Vendor Advisory Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2019-34/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2019-34/ Vendor Advisory Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2019-35/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2019-35/ Vendor Advisory Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* versions up to (excluding) 70.0 *cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* versions up to (excluding) 68.2 *cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* versions up to (excluding) 68.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-11757 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-2019-11757
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.80 }} -0.01%
score
0.81532
percentile