ASA-2019-00067 – FreeRDP: Heap-based buffer overflow in function zgfx_decompress()


Allele Security Alert

ASA-2019-00067

Identifier(s)

ASA-2019-00067, CVE-2018-8785

Title

Heap-based buffer overflow in function zgfx_decompress()

Vendor(s)

FreeRDP project

Product(s)

FreeRDP

Affected version(s)

FreeRDP prior to version 2.0.0-rc4

Fixed version(s)

FreeRDP 2.0.0-rc4

Proof of concept

Unknown

Description

FreeRDP prior to version 2.0.0-rc4 contains a heap-based buffer overflow in function zgfx_decompress() that results in a memory corruption and probably even a remote code execution.

Technical details

Unknown

Credits

Eyal Itkin (Checkpoint Research)

Reference(s)

2.0.0-rc4 released
http://www.freerdp.com/2018/11/20/2_0_0_rc4-released

Reverse RDP Attack: Code Execution on RDP Clients
https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/

CVE-2018-8785
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8785

CVE-2018-8785
https://nvd.nist.gov/vuln/detail/CVE-2018-8785

If there is any error in this alert or you wish a comprehensive analysis, let us know.

Last modified: February 11, 2019

We are not responsible for any data loss, device corruption or any other type of issue due to the use of any information mentioned in our security alerts.