Mozilla Firefox up to 118.0.1 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.9$5k-$25k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Mozilla Firefox up to 118.0.1. Affected by this vulnerability is an unknown functionality. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2023-5731. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 118.0.1 (Web Browser). It has been declared as critical. This vulnerability affects an unknown part. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 10/24/2023 by Steve Fink and Stefan Arentz as Memory safety bugs fixed in Firefox 119 as confirmed advisory (Website). The advisory is shared for download at bugzilla.mozilla.org. The advisory contains:

Memory safety bugs present in Firefox 118. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.
This vulnerability was named CVE-2023-5731. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 11/15/2023).

Upgrading to version 119 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

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

NVD Base Score: 9.8
NVD Vector: 🔍

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: 🔍

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

Upgrade: Firefox 119

Timelineinfo

10/23/2023 🔍
10/24/2023 +1 days 🔍
10/24/2023 +0 days 🔍
10/24/2023 +0 days 🔍
11/15/2023 +22 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Memory safety bugs fixed in Firefox 119
Researcher: Steve Fink, Stefan Arentz
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-5731 (🔍)
GCVE (CVE): GCVE-0-2023-5731
GCVE (VulDB): GCVE-100-243232

Entryinfo

Created: 10/24/2023 21:17
Updated: 11/15/2023 12:39
Changes: 10/24/2023 21:17 (18), 10/24/2023 21:21 (27), 11/15/2023 12:31 (2), 11/15/2023 12:39 (11)
Complete: 🔍
Cache ID: 216::103

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