Mozilla Firefox up to 116 on Windows RecordedSourceSurfaceCreation heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$5k-$25k0.00

Summaryinfo

A vulnerability was found in Mozilla Firefox up to 116 on Windows and classified as critical. This affects the function RecordedSourceSurfaceCreation. Executing a manipulation can lead to heap-based overflow. This vulnerability is tracked as CVE-2023-4576. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Mozilla Firefox up to 116 on Windows (Web Browser). This vulnerability affects the function RecordedSourceSurfaceCreation. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 08/29/2023 by fffvr as Bug 1846694 as confirmed advisory (Website). The advisory is shared for download at bugzilla.mozilla.org. The advisory contains:

On Windows, an integer overflow could occur in RecordedSourceSurfaceCreation which resulted in a heap buffer overflow potentially leaking sensitive data that could have led to a sandbox escape.This bug only affects Firefox on Windows. Other operating systems are unaffected.
This vulnerability was named CVE-2023-4576. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 09/22/2023).

Upgrading to version 117 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

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

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

NVD Base Score: 8.6
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / 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 117

Timelineinfo

08/29/2023 🔍
08/29/2023 +0 days 🔍
08/29/2023 +0 days 🔍
08/30/2023 +1 days 🔍
09/22/2023 +23 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 1846694
Researcher: fffvr
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-4576 (🔍)
GCVE (CVE): GCVE-0-2023-4576
GCVE (VulDB): GCVE-100-238312

Entryinfo

Created: 08/30/2023 14:22
Updated: 09/22/2023 17:07
Changes: 08/30/2023 14:22 (18), 08/30/2023 14:26 (29), 09/22/2023 16:59 (2), 09/22/2023 17:07 (11)
Complete: 🔍
Cache ID: 216::103

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

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