CVE-2018-20178

HIGH 7.5CVE-2018-20178 · Published 15/03/2019 · updated 17/06/2026

In short

CVE-2018-20178 is a HIGH (CVSS 7.5) vulnerability affecting rdesktop (rdesktop).
Chance of exploitation in the next 30 days (EPSS): 4.3%, higher than 91.2% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
rdesktop rdesktop	`≤ 1.8.3`	No fix yet

Description

rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in the function process_demand_active() that results in a Denial of Service (segfault).

References

lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html
securityfocus.com/bid/106938 · Third Party Advisory
rdesktop/rdesktop commit 4dca546 · Patch
lists.debian.org/debian-lts-announce/2019/02/msg00030.html · Mailing List
research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients · Exploit
security.gentoo.org/glsa/201903-06 · Third Party Advisory
debian.org/security/2019/dsa-4394 · Third Party Advisory

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Package

Affected versions

Patched versions

rdesktop

≤ 1.8.3

No fix yet

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