CVE-2017-7804

7.5 HIGH
Published: June 11, 2018 Modified: November 25, 2025

Description

The destructor function for the "WindowsDllDetourPatcher" class can be re-purposed by malicious code in concert with another vulnerability to write arbitrary data to an attacker controlled location in memory. This can be used to bypass existing memory protections in this situation. Note: This attack only affects Windows operating systems. Other operating systems are not affected. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/100234
Source: security@mozilla.org
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039124
Source: security@mozilla.org
Third Party Advisory VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1372849
Source: security@mozilla.org
Issue Tracking Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-18/
Source: security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-19/
Source: security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-20/
Source: security@mozilla.org
Vendor Advisory
http://www.securityfocus.com/bid/100234
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039124
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1372849
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-18/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-19/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-20/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

12 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.7%
71th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

mozilla microsoft