High severity · published Mar 15, 2019
CVE-2018-20175
rdesktop versions up to and including v1.8.3 contains several Integer Signedness errors that lead to Out-Of-Bounds Reads in the file mcs.c and result in a Denial of Service…
7.5
CVSS
4.3%
EPSS
No
On KEV
Description
rdesktop versions up to and including v1.8.3 contains several Integer Signedness errors that lead to Out-Of-Bounds Reads in the file mcs.c and result in a Denial of Service (segfault).
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.3% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
RD
Rdesktop · Rdesktop
through 1.8.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-20175
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20175
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html
Third Party Advisory
http://www.securityfocus.com/bid/106938
Patch
https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1
Mailing List
https://lists.debian.org/debian-lts-announce/2019/02/msg00030.html
Exploit
https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/
Third Party Advisory
https://security.gentoo.org/glsa/201903-06
More from Debian Linux
10.0
CVE-2025-32433
Erlang/OTP SSH Vulnerable to Pre-Authentication RCE
10.0
CVE-2025-24201
Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability
10.0
CVE-2021-44228
Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints
10.0
CVE-2015-3306
ProFTPD Improper Access Control Vulnerability
9.8
CVE-2026-24061
GNU InetUtils Argument Injection Vulnerability