CVE-2018-20178

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).

CVSS v3.0 NVD

7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 NVD

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

4.34% chance of exploitation in the next 30 days, 91st percentile

Published

2019-03-15

Updated

2024-08-05

Proof-of-concept exploits (1)

• https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/

Security advisories

• http://www.securityfocus.com/bid/106938
• rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1
• https://lists.debian.org/debian-lts-announce/2019/02/msg00030.html
• https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients
• https://security.gentoo.org/glsa/201903-06
• https://www.debian.org/security/2019/dsa-4394

References

• CVE Record
• NVD entry