CVE-2020-9498

Apache Guacamole 1.1.0 and older may mishandle pointers involved inprocessing data received via RDP static virtual channels. If a userconnects to a malicious or compromised RDP server, a series ofspecially-crafted PDUs could result in memory corruption, possiblyallowing arbitrary code to be executed with the privileges of therunning guacd process.

Score

CVSS 3.1 6.7 Medium

Status

Modified - security@apache.org

Published

2020-07-02

Last modified

2024-08-04

Weaknesses

CWE-787, CWE-825

Affected products

• Guacamole (Apache)
• Debian Linux (Debian)
• Fedora (Fedoraproject)

References

• https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44525
• https://lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7%40%3Cannounce.apache.org…
• https://lists.apache.org/thread.html/r26fb170edebff842c74aacdb1333c1338f0e19e5ec7854d72e4680fc%40%3Cannounce.apache.org…
• https://lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922%40%3Cannounce.apache.org…
• https://lists.apache.org/thread.html/rff824b38ebd2fddc726b816f0e509696b83b9f78979d0cd021ca623b%40%3Cannounce.guacamole.…
• https://lists.debian.org/debian-lts-announce/2020/11/msg00010.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TVV5K2X4EXSAVUUL7IJ3MU…
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNS7UHBOFV6JHWH5XOEZTE…
• https://research.checkpoint.com/2020/apache-guacamole-rce/