CVE-2018-8795: Buffer Overflow
First published: Tue Feb 05 2019(Updated: )
rdesktop versions up to and including v1.8.3 contain an Integer Overflow that leads to a Heap-Based Buffer Overflow in function process_bitmap_updates() and results in a memory corruption and probably even a remote code execution.
Credit: cve@checkpoint.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/rdesktop | 1.8.6-2 1.9.0-2 | |
| Ubuntu Desktop File Utils | <=1.8.3 | |
| Debian | =8.0 | |
| Debian | =9.0 | |
| SUSE Linux | =15.1 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://github.com/rdesktop/rdesktop/commit/766ebcf6f23ccfe8323ac10242ae6e127d4505d2
- https://security-tracker.debian.org/tracker/CVE-2018-8795
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html
- http://www.securityfocus.com/bid/106938
- https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1
- https://lists.debian.org/debian-lts-announce/2019/02/msg00030.html
- https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/
- https://security.gentoo.org/glsa/201903-06
- https://www.debian.org/security/2019/dsa-4394
Frequently Asked Questions
What is the severity of CVE-2018-8795?
CVE-2018-8795 is considered a high severity vulnerability due to its potential for remote code execution.
How do I fix CVE-2018-8795?
To fix CVE-2018-8795, upgrade rdesktop to version 1.8.6-2 or 1.9.0-2 or later.
Which versions of rdesktop are affected by CVE-2018-8795?
CVE-2018-8795 affects rdesktop versions up to and including 1.8.3.
Can CVE-2018-8795 lead to data loss?
Yes, CVE-2018-8795 can potentially lead to memory corruption and subsequent data loss.
What platforms are impacted by CVE-2018-8795?
CVE-2018-8795 affects rdesktop on Debian 8.0 and 9.0, as well as openSUSE Leap 15.1.
- collector/security-tracker-debian
- agent/weakness
- agent/type
- agent/severity
- agent/references
- agent/remedy
- agent/author
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/event
- agent/first-publish-date
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- package-manager/debian
- vendor/rdesktop
- canonical/ubuntu desktop file utils
- version/ubuntu desktop file utils/1.8.3
- vendor/debian
- canonical/debian
- version/debian/8.0
- version/debian/9.0
- vendor/opensuse
- canonical/suse linux
- version/suse linux/15.1