CVE-2022-23477: Buffer Overflow in xrdp
xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a buffer over flow in audinsendopen() function. There are no known workarounds for this issue. Users are advised to upgrade.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/xrdpto a version that resolves this vulnerability.Fixed in 0.9.21.1-1+deb12u2Fixed in 0.9.21.1-1+deb12u3Fixed in 0.10.1-3.1+deb13u2Fixed in 0.10.6.1-3 - Upgrade
Upgrade
alpine/xrdpto a version that resolves this vulnerability.Fixed in 0.9.21.1-r0 - Upgrade
Upgrade
debian/xrdpto a version that resolves this vulnerability.Fixed in 0.9.21.1-1 - Upgrade
Upgrade
xrdpto a version that resolves this vulnerability.Fixed in 0.9.21
Event History
Frequently Asked Questions
What is CVE-2022-23477?
CVE-2022-23477 is a vulnerability in xrdp, an open source project that provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP).
What is the severity of CVE-2022-23477?
The severity of CVE-2022-23477 is critical with a CVSS score of 9.8.
How does CVE-2022-23477 affect xrdp?
CVE-2022-23477 affects xrdp versions earlier than v0.9.21 and may result in a buffer overflow in the audin_send_open() function.
How can I fix CVE-2022-23477?
To fix CVE-2022-23477, users are advised to upgrade xrdp to a version later than v0.9.21.
Are there any workarounds for CVE-2022-23477?
There are no known workarounds for CVE-2022-23477.