CVE-2023-42822Out-of-bounds Read in Xrdp

CWE-125Out-of-bounds Read6 documents5 sources
Severity
6.5MEDIUMNVD
CNA4.6OSV9.8
EPSS
0.3%
top 43.50%
CISA KEV
Not in KEV
Exploit
No known exploits
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

CVEListV5neutrinolabs/xrdp< 0.9.23.1
NVDneutrinolabs/xrdp< 0.9.23.1
Debianneutrinolabs/xrdp< 0.9.21.1-1~deb11u2+3
Ubuntuneutrinolabs/xrdp< 0.6.0-1ubuntu0.1+esm3+4

Also affects: Fedora 37, 38

Patches

🔴Vulnerability Details

3
OSV
xrdp vulnerabilities2023-11-08
OSV
CVE-2023-42822: xrdp is an open source remote desktop protocol server2023-09-27
CVEList
Unchecked access to font glyph info in xrdp2023-09-27

📋Vendor Advisories

2
Ubuntu
xrdp vulnerabilities2023-11-08
Debian
CVE-2023-42822: xrdp - xrdp is an open source remote desktop protocol server. Access to the font glyphs...2023
CVE-2023-42822 — Out-of-bounds Read in Xrdp | cvebase