Integer overflow in Rdesktop
CVE-2018-20179
rdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a Heap-Based Buffer Overflow in the function lspci_process() and results in memory corruption and probably even a remote code execution.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.068 (93.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.068 · newest: 0.068 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.securityfocus.com/bid/106938 (vdb-entry)
- github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1 (Patch, Third Party Advisory)
- security.gentoo.org/glsa/201903-06 (vendor-advisory)
- research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/ (Exploit, Third Party Advisory)
- www.debian.org/security/2019/dsa-4394 (vendor-advisory)
- lists.debian.org/debian-lts-announce/2019/02/msg00030.html (mailing-list)
- lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html (vendor-advisory)
Frequently asked questions
- What is CVE-2018-20179?
- CVE-2018-20179 is a critical-severity vulnerability in Rdesktop, classified under Integer Underflow. CVSS score: 9.8/10. Published 2019-03-15.
- How severe is CVE-2018-20179?
- Critical severity. CVSS v3 base score is 9.8 out of 10.