Vulnerability Description
FreeRDP prior to version 2.0.0-rc4 contains an Integer Truncation that leads to a Heap-Based Buffer Overflow in function update_read_bitmap_update() and results in a memory corruption and probably even a remote code execution.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Freerdp | Freerdp | <= 1.2.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Debian | Debian Linux | 8.0 |
| Fedoraproject | Fedora | 28 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 7.6 |
| Redhat | Enterprise Linux Server Eus | 7.6 |
| Redhat | Enterprise Linux Server Tus | 7.6 |
| Redhat | Enterprise Linux Workstation | 7.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/106938Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:0697Third Party Advisory
- https://github.com/FreeRDP/FreeRDP/commit/445a5a42c500ceb80f8fa7f2c11f3682538033PatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/02/msg00015.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clientsExploitThird Party Advisory
- https://usn.ubuntu.com/3845-1/Third Party Advisory
- https://usn.ubuntu.com/3845-2/Third Party Advisory
- http://www.securityfocus.com/bid/106938Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:0697Third Party Advisory
- https://github.com/FreeRDP/FreeRDP/commit/445a5a42c500ceb80f8fa7f2c11f3682538033PatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/02/msg00015.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clientsExploitThird Party Advisory
- https://usn.ubuntu.com/3845-1/Third Party Advisory
FAQ
What is CVE-2018-8786?
CVE-2018-8786 is a vulnerability with a CVSS score of 9.8 (CRITICAL). FreeRDP prior to version 2.0.0-rc4 contains an Integer Truncation that leads to a Heap-Based Buffer Overflow in function update_read_bitmap_update() and results in a memory corruption and probably eve...
How severe is CVE-2018-8786?
CVE-2018-8786 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-2018-8786?
Check the references section above for vendor advisories and patch information. Affected products include: Freerdp Freerdp, Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Redhat Enterprise Linux Desktop.