Name | CVE-2020-9497 |
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. |
Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
References | DLA-2435-1 |
Debian Bugs | 964195 |
The table below lists information on source packages.
Source Package | Release | Version | Status |
---|---|---|---|
guacamole-server (PTS) | jessie | 0.8.3-1 | vulnerable |
stretch (security), stretch (lts), stretch | 0.9.9-2+deb9u1 | fixed | |
bullseye | 1.3.0-1 | fixed | |
sid | 1.3.0-1.3 | fixed |
The information below is based on the following data on fixed versions.
Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
---|---|---|---|---|---|---|
guacamole-server | source | jessie | (unfixed) | end-of-life | ||
guacamole-server | source | stretch | 0.9.9-2+deb9u1 | DLA-2435-1 | ||
guacamole-server | source | (unstable) | 1.3.0-1 | 964195 |
https://www.openwall.com/lists/oss-security/2020/07/02/2
https://research.checkpoint.com/2020/apache-guacamole-rce/
Fixed by https://github.com/apache/guacamole-server/commit/a0e11dc81727528224d28466903454e1cb0266bb