Vulnerability Description
Apache Guacamole 1.1.0 and older do not properly validate datareceived from RDP servers via static virtual channels. If a userconnects to a malicious or compromised RDP server, specially-craftedPDUs could result in disclosure of information within the memory ofthe guacd process handling the connection.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Guacamole | <= 1.1.0 |
| Fedoraproject | Fedora | 32 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44525Third Party Advisory
- https://lists.apache.org/thread.html/r066543f0565e97b27c0dfe27e93e8a387b99e1e357
- https://lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a9
- https://lists.apache.org/thread.html/r181b1d5b1acb31cfa69f41b2c86ed3a2cb0b5bc09c
- https://lists.apache.org/thread.html/r3f071de70ea1facd3601e0fa894e6cadc960627ee7
- https://lists.apache.org/thread.html/r65f75d3d65d1af68141f42071ebb27dda24af3e455Mailing ListVendor Advisory
- https://lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be40
- https://lists.debian.org/debian-lts-announce/2020/11/msg00010.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://research.checkpoint.com/2020/apache-guacamole-rce/Third Party Advisory
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44525Third Party Advisory
- https://lists.apache.org/thread.html/r066543f0565e97b27c0dfe27e93e8a387b99e1e357
- https://lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a9
- https://lists.apache.org/thread.html/r181b1d5b1acb31cfa69f41b2c86ed3a2cb0b5bc09c
FAQ
What is CVE-2020-9497?
CVE-2020-9497 is a vulnerability with a CVSS score of 4.4 (MEDIUM). Apache Guacamole 1.1.0 and older do not properly validate datareceived from RDP servers via static virtual channels. If a userconnects to a malicious or compromised RDP server, specially-craftedPDUs c...
How severe is CVE-2020-9497?
CVE-2020-9497 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-9497?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Guacamole, Fedoraproject Fedora, Debian Debian Linux.