VDB-138517 · CVE-2019-9819 · Qualys 371797

Mozilla Firefox/Thunderbird/Firefox ESR Fetch API input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Mozilla Firefox, Thunderbird and Firefox ESR. Impacted is an unknown function of the component Fetch API. This manipulation causes input validation. This vulnerability is tracked as CVE-2019-9819. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox, Thunderbird and Firefox ESR (Web Browser) (affected version unknown). It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Fetch API. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. The summary by CVE is:

A vulnerability where a JavaScript compartment mismatch can occur while working with the fetch API, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

The weakness was disclosed 07/23/2019. This vulnerability is known as CVE-2019-9819 since 03/14/2019. 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. Neither technical details nor an exploit are publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371797 (Mozilla Firefox Multiple Security Vulnerabilities (MFSA 2019-13,MFSA2019-14)).

Upgrading eliminates this vulnerability.

The entries VDB-138518, VDB-138516, VDB-138515 and VDB-138514 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/14/2019 🔍
07/23/2019 +131 days 🔍
07/23/2019 +0 days 🔍
06/06/2024 +1779 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: mozilla.org
Status: Not defined

CVE: CVE-2019-9819 (🔍)
GCVE (CVE): GCVE-0-2019-9819
GCVE (VulDB): GCVE-100-138517
See also: 🔍

Entryinfo

Created: 07/23/2019 22:02
Updated: 06/06/2024 00:13
Changes: 07/23/2019 22:02 (37), 07/10/2020 09:59 (18), 11/06/2023 10:18 (4), 11/06/2023 10:24 (1), 06/06/2024 00:13 (16)
Complete: 🔍
Cache ID: 216::103

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