chromiumembedded cef Shared Memory Page OnAllocatedSharedMemory out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in chromiumembedded cef. The impacted element is the function CefLayeredWindowUpdaterOSR::OnAllocatedSharedMemory of the component Shared Memory Page Handler. Such manipulation leads to out-of-bounds. This vulnerability is traded as CVE-2024-21639. The attack may be launched remotely. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in chromiumembedded cef (Web Browser) (affected version unknown) and classified as problematic. Affected by this issue is the function CefLayeredWindowUpdaterOSR::OnAllocatedSharedMemory of the component Shared Memory Page Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is availability. CVE summarizes:

CEF (Chromium Embedded Framework ) is a simple framework for embedding Chromium-based browsers in other applications. `CefLayeredWindowUpdaterOSR::OnAllocatedSharedMemory` does not check the size of the shared memory, which leads to out-of-bounds read outside the sandbox. This vulnerability was patched in commit 1f55d2e.

The weakness was shared 01/13/2024 as GHSA-m375-jw5x-x8mg. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2024-21639 since 12/29/2023. There are known technical details, but no exploit is available.

Applying the patch 1f55d2e12f62cfdfbf9da6968fde2f928982670b is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.6
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / 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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 1f55d2e12f62cfdfbf9da6968fde2f928982670b

Timelineinfo

12/29/2023 🔍
01/13/2024 +15 days 🔍
01/13/2024 +0 days 🔍
02/03/2024 +21 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-m375-jw5x-x8mg
Status: Confirmed

CVE: CVE-2024-21639 (🔍)
GCVE (CVE): GCVE-0-2024-21639
GCVE (VulDB): GCVE-100-250664

Entryinfo

Created: 01/13/2024 08:31
Updated: 02/03/2024 02:09
Changes: 01/13/2024 08:31 (53), 02/03/2024 02:09 (11)
Complete: 🔍
Cache ID: 216::103

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