VDB
CVE-2020-9497
CVE-2020-9497
PUBLISHED
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.
EPSS 0.08% · 24.2th percentile
Risk Scores
EPSS Score
0.08%
24.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | guacamole-client | 0, 0.9.9+dfsg-1 |
| Ubuntu:16.04:LTS | guacamole-client | 0, 0.8.3-1.1, 0.8.3-1.2 |
Exploit Intelligence
- CIRCL seen: CVE-2020-9497 (circl-sighting)
- https://lists.apache.org/thread.html/r65f75d3d65d1af68141f42071ebb27dda24af3e45570e593c1dbd81f%40%3Cannounce.guacamole.apache.org%3E (circl)
- [announce] 20200701 [SECURITY] CVE-2020-9497: Apache Guacamole: Improper input validation of RDP static virtual channels (circl)
- [guacamole-user] 20200703 Re: [SECURITY] CVE-2020-9497: Apache Guacamole: Improper input validation of RDP static virtual channels (circl)
- [guacamole-user] 20200703 RE: [SECURITY] CVE-2020-9497: Apache Guacamole: Improper input validation of RDP static virtual channels (circl)
- https://research.checkpoint.com/2020/apache-guacamole-rce/ (circl)
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44525 (circl)
- [debian-lts-announce] 20201106 [SECURITY] [DLA 2435-1] guacamole-server security update (circl)
- FEDORA-2020-bfde0ab889 (circl)
- FEDORA-2020-640645e518 (circl)
…and 2 more exploits
Timeline
- Jul 2, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-9497 third-party-advisory
- https://www.openwall.com/lists/oss-security/2020/07/02/2 third-party-advisory
- https://lists.apache.org/thread.html/r65f75d3d65d1af68141f42071ebb27dda24af3e45570e593c1dbd81f%40%3Cannounce.guacamole.apache.org%3E third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-9497 third-party-advisory