Vulnerability 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).
CVSS Score
7.5
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Rdesktop | Rdesktop | <= 1.8.3 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html
- http://www.securityfocus.com/bid/106938Third Party AdvisoryVDB Entry
- https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163bPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/02/msg00030.htmlMailing ListThird Party Advisory
- https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clientsExploitThird Party Advisory
- https://security.gentoo.org/glsa/201903-06Third Party Advisory
- https://www.debian.org/security/2019/dsa-4394Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html
- http://www.securityfocus.com/bid/106938Third Party AdvisoryVDB Entry
- https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163bPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/02/msg00030.htmlMailing ListThird Party Advisory
- https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clientsExploitThird Party Advisory
- https://security.gentoo.org/glsa/201903-06Third Party Advisory
- https://www.debian.org/security/2019/dsa-4394Third Party Advisory
FAQ
What is CVE-2018-20178?
CVE-2018-20178 is a vulnerability with a CVSS score of 7.5 (HIGH). 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).
How severe is CVE-2018-20178?
CVE-2018-20178 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-20178?
Check the references section above for vendor advisories and patch information. Affected products include: Rdesktop Rdesktop, Debian Debian Linux.