Vulnerability Description
rdesktop versions up to and including v1.8.3 contain a Heap-Based Buffer Overflow in function cssp_read_tsrequest() that results in a memory corruption and probably even a remote code execution.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Rdesktop | Rdesktop | <= 1.8.3 |
| Debian | Debian Linux | 8.0 |
| Opensuse | Leap | 15.1 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.htmlMailing ListThird Party Advisory
- 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-clientsThird 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.htmlMailing ListThird Party Advisory
- 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-clientsThird 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-2018-8793?
CVE-2018-8793 is a vulnerability with a CVSS score of 9.8 (CRITICAL). rdesktop versions up to and including v1.8.3 contain a Heap-Based Buffer Overflow in function cssp_read_tsrequest() that results in a memory corruption and probably even a remote code execution.
How severe is CVE-2018-8793?
CVE-2018-8793 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2018-8793?
Check the references section above for vendor advisories and patch information. Affected products include: Rdesktop Rdesktop, Debian Debian Linux, Opensuse Leap.