IntegerOverflow leading to Out-Of-Bound Write Vulnerability in FreeRDP
CVE-2023-40186

6.5MEDIUM

Key Information:

Vendor

Freerdp

Status
Freerdp
Vendor
CVE Published:
31 August 2023

What is CVE-2023-40186?

The FreeRDP implementation of the Remote Desktop Protocol has a vulnerability in the gdi_CreateSurface function, caused by an integer overflow. This defect specifically impacts FreeRDP clients, as the decoding of images does not occur through proxies. There are no workarounds available, and users are strongly encouraged to upgrade to versions 2.11.0 or 3.0.0-beta3 to mitigate this vulnerability. Failure to address this issue compromises the security of the affected applications.

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/fee2b10ba1154f952...
x_refsource_MISC
https://lists.fedoraproject.org/archives/list/package-ann...

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

.
CVE-2023-40186 : IntegerOverflow leading to Out-Of-Bound Write Vulnerability in FreeRDP