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
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/freerdp | <2.0.0 | 2.0.0 |
| FreeRDP | <=1.2.0 | |
| FreeRDP | =2.0.0-rc1 | |
| FreeRDP | =2.0.0-rc2 | |
| FreeRDP | =2.0.0-rc3 | |
| Ubuntu Linux | =14.04 | |
| Ubuntu Linux | =16.04 | |
| Ubuntu Linux | =18.04 | |
| Ubuntu Linux | =18.10 | |
| Debian GNU/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 | |
| debian/freerdp2 | 2.3.0+dfsg1-2+deb11u1 2.3.0+dfsg1-2+deb11u3 2.10.0+dfsg1-1 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Ubuntu | =18.10 | |
| Debian Linux | =8.0 | |
| Red Hat Enterprise Linux Desktop | =7.0 | |
| Red Hat Enterprise Linux Server EUS | =7.6 | |
| Red Hat Enterprise Linux Server | =7.0 | |
| Red Hat Enterprise Linux Server | =7.6 | |
| Red Hat Enterprise Linux Server | =7.6 | |
| Red Hat Enterprise Linux Workstation | =7.0 |
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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
Frequently Asked Questions
What is the severity of CVE-2018-8787?
CVE-2018-8787 has a critical severity rating due to its potential for memory corruption and remote code execution.
How do I fix CVE-2018-8787?
To fix CVE-2018-8787, upgrade FreeRDP to version 2.0.0-rc4 or later.
Which versions of FreeRDP are affected by CVE-2018-8787?
FreeRDP versions prior to 2.0.0-rc4 are affected by CVE-2018-8787.
Is CVE-2018-8787 applicable to Ubuntu and Red Hat systems?
Yes, CVE-2018-8787 affects FreeRDP installations on both Ubuntu and Red Hat systems prior to the specified fix versions.
What is the attack vector for CVE-2018-8787?
CVE-2018-8787 can be exploited remotely through crafted requests processed by the vulnerable FreeRDP service.
- agent/type
- collector/launchpad-cve
- source/Launchpad
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2018-8787
- agent/software-canonical-lookup
- agent/severity
- agent/remedy
- agent/weakness
- collector/mitre-cve
- source/MITRE
- agent/first-publish-date
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/description
- agent/last-modified-date
- agent/trending
- agent/source
- agent/author
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup-request
- agent/event
- agent/tags
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- collector/nvd-index
- package-manager/redhat
- vendor/freerdp
- canonical/freerdp
- version/freerdp/1.2.0
- version/freerdp/2.0.0-rc1
- version/freerdp/2.0.0-rc2
- version/freerdp/2.0.0-rc3
- vendor/canonical
- canonical/ubuntu linux
- version/ubuntu linux/14.04
- version/ubuntu linux/16.04
- version/ubuntu linux/18.04
- version/ubuntu linux/18.10
- vendor/debian
- canonical/debian gnu/linux
- version/debian gnu/linux/8.0
- vendor/redhat
- canonical/redhat enterprise linux desktop
- version/redhat enterprise linux desktop/7.0
- canonical/redhat enterprise linux eus
- version/redhat enterprise linux eus/7.6
- canonical/redhat enterprise linux server
- version/redhat enterprise linux server/7.0
- canonical/redhat enterprise linux server aus
- version/redhat enterprise linux server aus/7.6
- canonical/redhat enterprise linux server tus
- version/redhat enterprise linux server tus/7.6
- canonical/redhat enterprise linux workstation
- version/redhat enterprise linux workstation/7.0
- package-manager/debian
- canonical/ubuntu
- version/ubuntu/14.04
- version/ubuntu/16.04
- version/ubuntu/18.04
- version/ubuntu/18.10
- canonical/debian linux
- version/debian linux/8.0
- canonical/red hat enterprise linux desktop
- version/red hat enterprise linux desktop/7.0
- canonical/red hat enterprise linux server eus
- version/red hat enterprise linux server eus/7.6
- canonical/red hat enterprise linux server
- version/red hat enterprise linux server/7.0
- version/red hat enterprise linux server/7.6
- canonical/red hat enterprise linux workstation
- version/red hat enterprise linux workstation/7.0