Vulnerability Details : CVE-2018-20180
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.
Vulnerability category: OverflowMemory CorruptionExecute code
Products affected by CVE-2018-20180
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:rdesktop:rdesktop:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-20180
16.35%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 96 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-20180
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2018-20180
-
The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-20180
-
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html
[security-announce] openSUSE-SU-2019:2135-1: important: Security update
-
http://www.securityfocus.com/bid/106938
RDP Client 'FreeRDP' And 'rdesktop' Multiple Security VulnerabilitiesThird Party Advisory;VDB Entry
-
https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1
Malicious RDP server security fixes · rdesktop/rdesktop@4dca546 · GitHubPatch;Third Party Advisory
-
https://www.debian.org/security/2019/dsa-4394
Debian -- Security Information -- DSA-4394-1 rdesktopThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2019/02/msg00030.html
[SECURITY] [DLA 1683-1] rdesktop security updateThird Party Advisory
-
https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/
Reverse RDP Attack: Code Execution on RDP Clients - Check Point ResearchExploit;Third Party Advisory
-
https://security.gentoo.org/glsa/201903-06
rdesktop: Multiple vulnerabilities (GLSA 201903-06) — Gentoo securityThird Party Advisory
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