Out-Of-Bounds Write in FreeRDP
CVE-2023-40567

6.5MEDIUM

Key Information:

Vendor

Freerdp

Status
Freerdp
Vendor
CVE Published:
31 August 2023

What is CVE-2023-40567?

FreeRDP, a free implementation of the Remote Desktop Protocol (RDP), is impacted by a critical flaw related to an Out-Of-Bounds Write in its clear_decompress_bands_data function. This vulnerability arises due to a lack of offset validation, potentially allowing attackers to exploit this weakness for unauthorized data manipulation. Users of FreeRDP are strongly advised to upgrade to version 2.11.0 or 3.0.0-beta3, as no known workarounds exist for this issue, making timely patching essential for maintaining security.

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Deploy the Patch

Affected Version(s)

FreeRDP < 2.11.0 < 2.11.0

FreeRDP >= 3.0.0-beta1, < 3.0.0-beta3 < 3.0.0-beta1, 3.0.0-beta3

References

https://github.com/FreeRDP/FreeRDP/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a...
x_refsource_MISC
https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a...
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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