Out-of-Bounds Affecting rdesktop package, versions <1.8.6-r0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-ALPINE311-RDESKTOP-546284
- published8 Jan 2019
- disclosed15 Mar 2019
Introduced: 8 Jan 2019
CVE-2018-20182 (opens in a new tab)How to fix?
Upgrade Alpine:3.11 rdesktop to version 1.8.6-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rdesktop package and not the rdesktop package as distributed by Alpine.
See How to fix? for Alpine:3.11 relevant fixed versions and status.
rdesktop versions up to and including v1.8.3 contain a Buffer Overflow over the global variables in the function seamless_process_line() that results in memory corruption and probably even a remote code execution.
References
- https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20182
- https://www.debian.org/security/2019/dsa-4394
- https://lists.debian.org/debian-lts-announce/2019/02/msg00030.html
- https://security-tracker.debian.org/tracker/CVE-2018-20182
- https://security.gentoo.org/glsa/201903-06
- https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html
- http://www.securityfocus.com/bid/106938
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-20182