Integer underflow in xrdp - CVE-2022-23613

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Main Vulnerability Database Vulnerabilities #VU60614

Integer underflow in xrdp - CVE-2022-23613

Published: February 15, 2022


Vulnerability identifier: #VU60614
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-23613
CWE-ID: CWE-191
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to integer underflow in the sesman server. A local user can send a specially crafted request to the affected application, trigger integer underflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

xrdp
Fedora
Ubuntu
xrdp (Ubuntu package)
xrdp

How to mitigate CVE-2022-23613

Install updates from vendor's website.

xrdp - update to 0.9.18.1
xrdp (Ubuntu package) - update to Ubuntu Pro
xrdp - addressed in versions 0.9.18-5.el7, 0.9.18-5.el8, 0.9.18-5.el9, 0.9.18-5.fc34, 0.9.18-5.fc35

External References

Related Security Bulletins