CVE-2023-25734

Gentoo Linux Security Advisory 202305-35

Severity Score

8.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

After downloading a Windows <code>.url</code> shortcut from the local filesystem, an attacker could supply a remote path that would lead to unexpected network requests from the operating system. This also had the potential to leak NTLM credentials to the resource.<br>*This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

An update that fixes 14 vulnerabilities is now available. This update for MozillaFirefox fixes the following issues. Updated to version 102.8.0 ESR. Fixed content security policy leak in violation reports using iframes. Fixed screen hijack via browser fullscreen mode. Fixed Fullscreen notification not being shown in Firefox Focus. Fixed arbitrary memory write via PKCS 12 in NSS. Fixed potential use-after-free from compartment mismatch in SpiderMonkey. Fixed invalid downcast in SVGUtils::SetupStrokeGeometry. Fixed printing on Windows which could potentially crash Firefox with some device drivers. Fixed use-after-free in mozilla::dom::ScriptLoadContext::~ScriptLoadContext. Fixed extensions opening external schemes without user knowledge. Fixed out of bounds memory write from EncodeInputStream. Fixed opening local .url files that causes unexpected network loads. Fixed tab crash by Web Crypto ImportKey. Fixed Memory safety bugs. Fixed Memory safety bugs.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

Poc

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2023-02-13 CVE Reserved
2023-02-20 CVE Published
2025-01-09 CVE Updated
2025-01-09 First Exploit
2025-04-15 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-601: URL Redirection to Untrusted Site ('Open Redirect')

CAPEC

References (4)

URL	Tag	Source

URL	Date	SRC
https://bugzilla.mozilla.org/show_bug.cgi?id=1784451	2025-01-09

URL	Date	SRC

URL	Date	SRC
https://www.mozilla.org/security/advisories/mfsa2023-05	2023-06-08
https://www.mozilla.org/security/advisories/mfsa2023-06	2023-06-08
https://www.mozilla.org/security/advisories/mfsa2023-07	2023-06-08

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mozilla Search vendor "Mozilla"	Firefox Search vendor "Mozilla" for product "Firefox"	< 110.0 Search vendor "Mozilla" for product "Firefox" and version " < 110.0"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
Mozilla Search vendor "Mozilla"	Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"	< 102.8 Search vendor "Mozilla" for product "Firefox Esr" and version " < 102.8"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
Mozilla Search vendor "Mozilla"	Thunderbird Search vendor "Mozilla" for product "Thunderbird"	< 102.8 Search vendor "Mozilla" for product "Thunderbird" and version " < 102.8"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe