CVE-2017-7782

MEDIUM

Firefox < 55 and Thunderbird < 52.3 - DEP Bypass via WindowsDllDetourPatcher

Title source: llm
STIX 2.1

Description

An error in the "WindowsDllDetourPatcher" where a RWX ("Read/Write/Execute") 4k block is allocated but never protected, violating DEP protections. 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.

References (6)

Core 6
Core References
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2017-19/
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2017-20/
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/100243
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2017-18/
Issue Tracking, Patch x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1344034
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1039124

Scores

CVSS v3 5.3
EPSS 0.0051
EPSS Percentile 66.6%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Details

CWE
CWE-269
Status published
Products (2)
mozilla/firefox < 52.3.0
mozilla/thunderbird < 52.3.0
Published Jun 11, 2018
Tracked Since Feb 18, 2026