Out-of-bounds read in rdesktop - CVE-2018-20174
Published: March 17, 2019 / Updated: May 18, 2020
Vulnerability identifier: #VU18008
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2018-20174
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: rdesktop.org
Affected software:
rdesktop
rdesktop
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary error in the function ui_clip_handle_data(). A remote attacker can send a specially crafted request to the affected application, trigger out-of-bounds read error and read contents of memory on the system.
How to mitigate CVE-2018-20174
Install update from vendor's website.