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CVE-2018-8787: FreeRDP versions prior to 2.0.0-rc4: Unsecured bitmap decompression
CVE-2018-8787 · published 7 years ago
Summary
If you're using an older version of FreeRDP, a hacker could potentially take control of your server by tricking it into processing a specially crafted image. This could lead to unauthorized access and data theft. Update to version 2.0.0-rc4 or later to fix this issue.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| freerdp | freerdp |
<= 1.2.0 2.0.0 cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:* |
| canonical | ubuntu_linux |
14.04 16.04 18.04 18.10 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
| debian | debian_linux |
8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_desktop |
7.0 cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus |
7.6 cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server |
7.0 cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus |
7.6 cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus |
7.6 cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation |
7.0 cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* |
Original advisory text
FreeRDP prior to version 2.0.0-rc4 contains an Integer Overflow that leads to a Heap-Based Buffer Overflow in function gdi_Bitmap_Decompress() and results in a memory corruption and probably even a...
FreeRDP prior to version 2.0.0-rc4 contains an Integer Overflow that leads to a Heap-Based Buffer Overflow in function gdi_Bitmap_Decompress() and results in a memory corruption and probably even a remote code execution.
References
- http://www.securityfocus.com/bid/106938 Third Party Advisory VDB Entry
- https://access.redhat.com/errata/RHSA-2019:0697 Third Party Advisory
- https://github.com/FreeRDP/FreeRDP/commit/09b9d4f1994a674c4ec85b4947aa656eda1aed... Patch Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/02/msg00015.html Mailing List Third Party Advisory
- https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients... Exploit Third Party Advisory
- https://usn.ubuntu.com/3845-1/ Third Party Advisory
- https://usn.ubuntu.com/3845-2/ Third Party Advisory
Internet-facing
3 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically (estimated)
- Gives an attacker full control (estimated)
Type
CWE-680Integer Overflow to Buffer Overflow
CWE-190Integer Overflow
CWE-787Out-of-bounds Write
Timeline
Published29 Nov 2018
Updated15 Oct 2026
First seen11 Apr 2026
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