CVE-2023-42822 — Out-of-bounds Read in Xrdp
Severity
6.5MEDIUMNVD
CNA4.6OSV9.8
EPSS
0.3%
top 43.50%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 27
Latest updateNov 8
Description
xrdp is an open source remote desktop protocol server. Access to the font glyphs in xrdp_painter.c is not bounds-checked . Since some of this data is controllable by the user, this can result in an out-of-bounds read within the xrdp executable. The vulnerability allows an out-of-bounds read within a potentially privileged process. On non-Debian platforms, xrdp tends to run as root. Potentially an out-of-bounds write can follow the out-of-bounds read. There is no denial-of-service impact, providi…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 2.8 | Impact: 3.6
Affected Packages4 packages
Also affects: Fedora 37, 38