What is the CVSS score of CVE-2019-12383?

CVE-2019-12383 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N. EPSS exploitation probability: 2.2%.

Is there a patch available for CVE-2019-12383?

Yes, a patch is available for CVE-2019-12383. Update the affected software to the latest version immediately.

Tor Browser CVE-2019-12383

MEDIUM

Observable Discrepancy (CWE-203)

2019-05-28 cve@mitre.org

Information Disclosure Tor Browser

4.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.3 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

May 28, 2019 - 03:29 nvd

MEDIUM 4.3

DescriptionNVD

Tor Browser before 8.0.1 has an information exposure vulnerability. It allows remote attackers to detect the browser's UI locale by measuring a button width, even if the user has a "Don't send my language" setting.

AnalysisAI

Tor Browser before 8.0.1 has an information exposure vulnerability. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-203. Tor Browser before 8.0.1 has an information exposure vulnerability. It allows remote attackers to detect the browser's UI locale by measuring a button width, even if the user has a "Don't send my language" setting. Affected products include: Torproject Tor Browser. Version information: before 8.0.1.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.