SB2022113041 - openEuler update for freerdp

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Improper Validation of Array Index (CVE-ID: CVE-2022-39317)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a missing range check for input offset index in ZGFX decoder. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it.

Successful exploitation of the vulnerability may allows remote code execution.

2) Out-of-bounds read (CVE-ID: CVE-2022-39320)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the urbdrc channel. A malicious server can trick the FreeRDP based client to read out of bound data and send it back to the server.

Remediation

Install update from vendor's website.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-2120