Accfly Wireless Security IR Camera System 720P up to 4.15.77 Message SubOprMsg stack-based overflow

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8.0$0-$5k0.00

A vulnerability, which was classified as critical, was found in Accfly Wireless Security IR Camera System 720P up to 4.15.77. Affected is the function CNetClientGuard::SubOprMsg of the component Message Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-121. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered on Accfly Wireless Security IR Camera System 720P with software versions v3.10.73 through v4.15.77. There is an unauthenticated stack-based buffer overflow in the function CNetClientGuard::SubOprMsg during incoming message handling.

The weakness was disclosed 01/28/2021. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2020-25784 since 09/19/2020. The exploitability is told to be easy. Access to the local network is required for this attack. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/21/2021).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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

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

NVD Base Score: 9.8
NVD Vector: 🔒

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VulDB Base Score: 🔒
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VulDB Reliability: 🔍

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Exploitinginfoedit

Class: Memory corruption
CWE: CWE-121
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Countermeasuresinfoedit

Recommended: no mitigation known
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0-Day Time: 🔒

Timelineinfoedit

09/19/2020 CVE assigned
01/28/2021 +131 days Advisory disclosed
01/28/2021 +0 days VulDB entry created
02/21/2021 +24 days VulDB last update

Sourcesinfoedit

Advisory: github.com
Status: Not defined

CVE: CVE-2020-25784 (🔒)

Entryinfoedit

Created: 01/28/2021 08:52 AM
Updated: 02/21/2021 08:28 AM
Changes: (18) vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore vulnerability_cvss2_nvd_basescore vulnerability_cvss3_nvd_basescore
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