What’s Vulnerable › Vulnerabilities
CVE-2018-8786
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 8.2% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2018-11-29 · updated 2026-06-17
- Weakness: CWE-680
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.
Affected products
- Canonical Ubuntu Linux: 14.04, 16.04, 18.04, 18.10
- Debian Linux: 8.0
- Fedoraproject Fedora: 28
- FreeRDP: through 1.2.0; 2.0.0-rc1, 2.0.0-rc2, 2.0.0-rc3
- 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
References
- http://www.securityfocus.com/bid/106938
- https://access.redhat.com/errata/RHSA-2019:0697
- https://github.com/FreeRDP/FreeRDP/commit/445a5a42c500ceb80f8fa7f2c11f3682538033f3
- https://lists.debian.org/debian-lts-announce/2019/02/msg00015.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YVJKO2DR5EY4C4QZOP7SNNBEW2JW6FHX/
- https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/
- https://usn.ubuntu.com/3845-1/
- https://usn.ubuntu.com/3845-2/
- http://www.securityfocus.com/bid/106938
- https://access.redhat.com/errata/RHSA-2019:0697
- https://github.com/FreeRDP/FreeRDP/commit/445a5a42c500ceb80f8fa7f2c11f3682538033f3
- https://lists.debian.org/debian-lts-announce/2019/02/msg00015.html
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