Out-of-bounds Write The advisory has been revoked - it doesn't affect any version of package rdesktop (opens in a new tab)
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-UBUNTU2004-RDESKTOP-649136
- published8 Jan 2019
- disclosed15 Mar 2019
Introduced: 8 Jan 2019
CVE-2018-20177 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:20.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rdesktop package and not the rdesktop package as distributed by Ubuntu.
rdesktop versions up to and including v1.8.3 contain an Integer Overflow that leads to a Heap-Based Buffer Overflow in the function rdp_in_unistr() and results in memory corruption and possibly even a remote code execution.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-20177
- https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20177
- 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-2018-20177
- https://security.gentoo.org/glsa/201903-06
- https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1
- http://www.securityfocus.com/bid/106938
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html