Mozilla Firefox up to 90.x memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$5k-$25k0.00

Summaryinfo

A vulnerability was found in Mozilla Firefox up to 90.x. It has been classified as critical. The affected element is an unknown function. Performing a manipulation results in memory corruption. This vulnerability is identified as CVE-2021-29990. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in Mozilla Firefox up to 90.x (Web Browser). This affects an unknown code block. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 08/18/2021 as mfsa2021-33. It is possible to read the advisory at mozilla.org. This vulnerability is uniquely identified as CVE-2021-29990. 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 pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/18/2021).

Upgrading to version 91.0 eliminates this vulnerability. The upgrade is hosted for download at mozilla.org.

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

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

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

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Firefox 91.0

Timelineinfo

04/01/2021 🔍
08/18/2021 +139 days 🔍
08/18/2021 +0 days 🔍
08/19/2021 +1 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: mfsa2021-33
Status: Confirmed

CVE: CVE-2021-29990 (🔍)
GCVE (CVE): GCVE-0-2021-29990
GCVE (VulDB): GCVE-100-181011

Entryinfo

Created: 08/18/2021 07:29
Updated: 08/19/2021 16:15
Changes: 08/18/2021 07:29 (41), 08/19/2021 16:15 (2)
Complete: 🔍
Cache ID: 216::103

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