Mozilla Firefox up to 62.x Cookie origin validation

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Mozilla Firefox up to 62.x. Affected is an unknown function of the component Cookie Handler. This manipulation causes origin validation. This vulnerability is handled as CVE-2018-12402. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 62.x (Web Browser). It has been declared as critical. Affected by this vulnerability is some unknown processing of the component Cookie Handler. The manipulation with an unknown input leads to a origin validation vulnerability. The CWE definition for the vulnerability is CWE-346. The product does not properly verify that the source of data or communication is valid. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 10/23/2018. The weakness was released 10/23/2018 by Christian Holler (Nils) as MFSA 2018-26 as confirmed security advisory (Website). It is possible to read the advisory at mozilla.org. This vulnerability is known as CVE-2018-12402 since 06/14/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 118397 (Mozilla Firefox < 63 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197286 (Ubuntu Security Notification for Firefox Vulnerabilities (USN-3801-1)).

Upgrading to version 63.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (118397), SecurityFocus (BID 105718†) and SecurityTracker (ID 1041944†). Entries connected to this vulnerability are available at VDB-125961, VDB-125962, VDB-125963 and VDB-125964. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Origin validation
CWE: CWE-346 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 118397
Nessus Name: Mozilla Firefox < 63 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Firefox 63.0

Timelineinfo

06/14/2018 🔍
10/23/2018 +130 days 🔍
10/23/2018 +0 days 🔍
10/23/2018 +0 days 🔍
10/23/2018 +0 days 🔍
10/24/2018 +0 days 🔍
10/25/2018 +1 days 🔍
10/26/2018 +1 days 🔍
06/03/2023 +1681 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2018-26
Researcher: Christian Holler (Nils)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-12402 (🔍)
GCVE (CVE): GCVE-0-2018-12402
GCVE (VulDB): GCVE-100-125971
SecurityFocus: 105718 - Mozilla Firefox and Firefox ESR Multiple Security Vulnerabilities
SecurityTracker: 1041944

See also: 🔍

Entryinfo

Created: 10/26/2018 07:13
Updated: 06/03/2023 08:30
Changes: 10/26/2018 07:13 (71), 04/06/2020 18:11 (14), 06/03/2023 08:26 (4), 06/03/2023 08:30 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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