CVE-2018-8787: Integer Overflow
First published: Mon Oct 22 2018(Updated: )
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.
Credit: cve@checkpoint.com cve@checkpoint.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FreeRDP FreeRDP | <=1.2.0 | |
| FreeRDP FreeRDP | =2.0.0-rc1 | |
| FreeRDP FreeRDP | =2.0.0-rc2 | |
| FreeRDP FreeRDP | =2.0.0-rc3 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =18.10 | |
| Debian Debian Linux | =8.0 | |
| Redhat Enterprise Linux Desktop | =7.0 | |
| Redhat Enterprise Linux Eus | =7.6 | |
| Redhat Enterprise Linux Server | =7.0 | |
| Redhat Enterprise Linux Server Aus | =7.6 | |
| Redhat Enterprise Linux Server Tus | =7.6 | |
| Redhat Enterprise Linux Workstation | =7.0 | |
| redhat/freerdp | <2.0.0 | 2.0.0 |
| debian/freerdp2 | 2.3.0+dfsg1-2+deb11u1 2.10.0+dfsg1-1 2.11.7+dfsg1-4 |
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Reference Links
- http://www.securityfocus.com/bid/106938
- https://access.redhat.com/errata/RHSA-2019:0697
- https://github.com/FreeRDP/FreeRDP/commit/09b9d4f1994a674c4ec85b4947aa656eda1aed8a
- https://lists.debian.org/debian-lts-announce/2019/02/msg00015.html
- https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/
- https://usn.ubuntu.com/3845-1/
- https://usn.ubuntu.com/3845-2/
- https://launchpad.net/bugs/cve/CVE-2018-8787
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1671370
- https://bugzilla.redhat.com/show_bug.cgi?id=1671361
- https://security-tracker.debian.org/tracker/CVE-2018-8787
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8787
- https://nvd.nist.gov/vuln/detail/CVE-2018-8787
- https://ubuntu.com/security/CVE-2018-8787
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