TI-2017-05375 Aliases CVE-2017-7755 GHSA-3p4h-hgf4-rvgh

Untrusted search path in Mozilla Firefox

LOW 37CWE-426Published 2018-06-11 · Updated 2024-08-05

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-426.

Summary

The Firefox installer on Windows can be made to load malicious DLL files stored in the same directory as the installer when it is run. This allows privileged execution if the installer is run with elevated privileges. Note: This attack only affects Windows operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

Why it matters now

EPSS 0.01361 71st percentileScored 2026-11-07

Fix Fixed Firefox (Mozilla): 54Firefox ESR (Mozilla): 52.2+1 more product

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Mozilla	Firefox	before 54	54	Patch available	CNA
Mozilla	Firefox ESR	before 52.2	52.2	Patch available	CNA
Mozilla	Thunderbird	before 52.2	52.2	Patch available	CNA

Firefox VendorMozilla Affected before 54 Fixed in 54 Patch available CNA
Firefox ESR VendorMozilla Affected before 52.2 Fixed in 52.2 Patch available CNA
Thunderbird VendorMozilla Affected before 52.2 Fixed in 52.2 Patch available CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:mozilla:firefox::::::::	before 52.2.0; before 54.0	Vulnerable	Mozilla
cpe:2.3:a:mozilla:thunderbird::::::::	before 52.2.0	Vulnerable	Mozilla
cpe:2.3:o:microsoft:windows:-:::::::*	not specified by NVD	Running on	Microsoft

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 52.2.0; before 54.0 Vulnerable ·Mozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 52.2.0 Vulnerable ·Mozilla
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

Fix · CNA Firefox (Mozilla) Fixed in 54
Fix · CNA Firefox ESR (Mozilla) Fixed in 52.2
Fix · CNA Thunderbird (Mozilla) Fixed in 52.2

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2018-06-11
Mozilla Firefox 54
12 records Highest priority Priority MEDIUM 1 MEDIUM, 11 LOW
Other records, highest priority first
- TI-2017-03494 Memory corruption in Mozilla FirefoxPriority MEDIUM 46
- TI-2017-05382 Improper input validation in Mozilla FirefoxPriority LOW 37
- TI-2017-05385 Improper input validation in Mozilla FirefoxPriority LOW 36
Show all 12 records →
Release · 2018-06-11
Mozilla Firefox ESR 52.2
8 records Highest priority Priority LOW 8 LOW
Other records, highest priority first
- TI-2017-05385 Improper input validation in Mozilla FirefoxPriority LOW 36
- TI-2017-05386 An attack using manipulation of "updater.ini" contents, used by the Mozilla Windows…Priority LOW 34
- TI-2017-05380 The Mozilla Windows updater modifies some files to be updated by reading the original…Priority LOW 34
Show all 8 records →

Show 1 more group

Release · 2018-06-11
Mozilla Thunderbird 52.2
3 records Highest priority Priority LOW 3 LOW
Other records, highest priority first
- TI-2017-05385 Improper input validation in Mozilla FirefoxPriority LOW 36
- TI-2017-05383 Improper input validation in Mozilla FirefoxPriority LOW 26
Show all 3 records →

Timeline

2026-10-02 Threatist record created from CVE-2017-7755
2026-10-03 Alias added: GHSA-3p4h-hgf4-rvgh

References

Advisory 4

TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8

See all 3444 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences