Out-of-bounds read in FreeRDP - CVE-2018-8789
Published: December 18, 2018
Vulnerability identifier: #VU16588
CSH Severity: Low
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-8789
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause DoS condition.
The vulnerability exists due to several out-of-bound read conditions that exist in the NTLM authentication module. A remote attacker can send a specially crafted request that submits malicious input, trigger several out-of-bounds read conditions that the attacker can use to cause a DoS condition.
Affected software
FreeRDP
freerdp (Ubuntu package)
freerdp (Alpine package)
Opensuse
freerdp (Ubuntu package)
freerdp (Alpine package)
Opensuse
How to mitigate CVE-2018-8789
Update to version 2.0.0-rc4.
FreeRDP - update to 2.0.0 rc4
freerdp (Ubuntu package) - addressed in versions 1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.04.1, 1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.10.1
freerdp (Alpine package) - update to 2.0.0_rc4-r0
freerdp (Ubuntu package) - addressed in versions 1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.04.1, 1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.10.1
freerdp (Alpine package) - update to 2.0.0_rc4-r0