CVE-2018-8786
9.8
CRITICAL · CVSS 3.1 · EPSS 8.2% (pctl 95)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 8.16% — more likely to be exploited than 95% of all CVEs |
| Weakness | CWE-680 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2018-11-29 |
| Last modified | 2026-06-17 |
Affected (10)
| Vendor | Product |
|---|---|
| canonical | ubuntu linux |
| debian | debian linux |
| fedoraproject | fedora |
| freerdp | freerdp |
| redhat | enterprise linux desktop |
| redhat | enterprise linux server |
| redhat | enterprise linux server aus |
| redhat | enterprise linux server eus |
| redhat | enterprise linux server tus |
| redhat | enterprise linux workstation |
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
- 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/
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