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1.2
CVSSv2

CVE-2020-9497

Published: 02/07/2020 Updated: 07/11/2023
CVSS v2 Base Score: 1.2 | Impact Score: 2.9 | Exploitability Score: 1.9
CVSS v3 Base Score: 4.4 | Impact Score: 3.6 | Exploitability Score: 0.8
VMScore: 107
Vector: AV:L/AC:H/Au:N/C:P/I:N/A:N
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Vulnerability Summary

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.

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apache guacamole

fedoraproject fedora 32

fedoraproject fedora 33

debian debian linux 9.0

Vendor Advisories

Debian CVElist Bug Report Logs: CVE-2020-9497 CVE-2020-9498
Debian Bug report logs - #964195 CVE-2020-9497 CVE-2020-9498 Package: src:guacamole-client; Maintainer for src:guacamole-client is Debian Remote Maintainers <pkg-remote-team@listsaliothdebianorg>; Reported by: Moritz Muehlenhoff <jmm@debianorg> Date: Fri, 3 Jul 2020 13:36:02 UTC Severity: grave Tags: security, u ...

Mailing Lists

Full Disclosure: [SECURITY] CVE-2020-9497: Apache Guacamole: Improper input validation of RDP static virtual channels
<!--X-Body-Begin--> <!--X-User-Header--> oss-sec mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> [SECURITY] CVE-2020-9497: Apache Guacamole: Improper input validation of RDP static virtual channels <!--X-Subject-Header-End- ...

References

CWE-20https://lists.apache.org/thread.html/r65f75d3d65d1af68141f42071ebb27dda24af3e45570e593c1dbd81f%40%3Cannounce.guacamole.apache.org%3Ehttps://research.checkpoint.com/2020/apache-guacamole-rce/https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44525https://lists.debian.org/debian-lts-announce/2020/11/msg00010.htmlhttps://lists.apache.org/thread.html/r3f071de70ea1facd3601e0fa894e6cadc960627ee7199437b5a56f7f%40%3Cannounce.apache.org%3Ehttps://lists.apache.org/thread.html/r066543f0565e97b27c0dfe27e93e8a387b99e1e35764000224ed96e7%40%3Cuser.guacamole.apache.org%3Ehttps://lists.apache.org/thread.html/r181b1d5b1acb31cfa69f41b2c86ed3a2cb0b5bc09c2cbd31e9e7c847%40%3Cuser.guacamole.apache.org%3Ehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TVV5K2X4EXSAVUUL7IJ3MUJ3ADWMVSBM/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNS7UHBOFV6JHWH5XOEZTE3BREGRSSQ3/https://lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922%40%3Cannounce.apache.org%3Ehttps://lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7%40%3Cannounce.apache.org%3Ehttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=964195https://nvd.nist.gov
CVSSv2
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