What is the CVSS score of CVE-2023-40575?

CVE-2023-40575 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H. EPSS exploitation probability: 1.1%.

Is there a public PoC exploit available for CVE-2023-40575?

Yes, a public proof-of-concept exploit is available for CVE-2023-40575. Prioritise patching immediately. EPSS: 1.1%.

Freerdp CVE-2023-40575

CRITICAL

Out-of-bounds Read (CWE-125)

2023-08-31 security-advisories@github.com

Buffer Overflow Information Disclosure Apache Freerdp

9.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Aug 31, 2023 - 22:15 nvd

CRITICAL 9.1

DescriptionNVD

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Read in the general_YUV444ToRGB_8u_P3AC4R_BGRX function. This issue is likely down to insufficient data for the pSrc variable and results in crashes. This issue has been addressed in version 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue.

AnalysisAI

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Read in the general_YUV444ToRGB_8u_P3AC4R_BGRX function. This issue is likely down to insufficient data for the pSrc variable and results in crashes. This issue has been addressed in version 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue. Affected products include: Freerdp. Version information: version 3.0.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.