VDB
CVE-2020-9498
CVE-2020-9498
PUBLISHED
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.
EPSS 0.11% · 28.4th percentile
Risk Scores
EPSS Score
0.11%
28.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | guacamole-client | 0, * |
| Ubuntu:16.04:LTS | guacamole-client | 0, 0.8.3-1.2, 0.8.3-1.1 |
Exploit Intelligence
- CIRCL seen: CVE-2020-9498 (circl-sighting)
- https://lists.apache.org/thread.html/rff824b38ebd2fddc726b816f0e509696b83b9f78979d0cd021ca623b%40%3Cannounce.guacamole.apache.org%3E (circl)
- [announce] 20200701 [SECURITY] CVE-2020-9498: Apache Guacamole: Dangling pointer in RDP static virtual channel handling (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)
- [announce] 20210125 Apache Software Foundation Security Report: 2020 (circl)
- [announce] 20210223 Re: Apache Software Foundation Security Report: 2020 (circl)
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-2020-9498 third-party-advisory
- https://www.openwall.com/lists/oss-security/2020/07/02/3 third-party-advisory
- https://lists.apache.org/thread.html/rff824b38ebd2fddc726b816f0e509696b83b9f78979d0cd021ca623b%40%3Cannounce.guacamole.apache.org%3E third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-9498 third-party-advisory