Integer Underflow Affecting rdesktop package, versions *
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.
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Test your applications- Snyk IDSNYK-UBUNTU1604-RDESKTOP-456027
- published8 Jan 2019
- disclosed15 Mar 2019
Introduced: 8 Jan 2019
CVE-2018-20180 (opens in a new tab)How to fix?
There is no fixed version for Ubuntu:16.04 rdesktop.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rdesktop package and not the rdesktop package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
rdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a Heap-Based Buffer Overflow in the function rdpsnddbg_process() and results in memory corruption and probably even a remote code execution.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-20180
- https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20180
- 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-2018-20180
- 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