CVE-2018-20180
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.6 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.105 Low
EPSS
Percentile
95.0%
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.
| CPE | Name | Operator | Version |
|---|---|---|---|
| rdesktop:rdesktop | rdesktop | le | 1.8.3 |
| debian:debian_linux | debian debian linux | eq | 8.0 |
| debian:debian_linux | debian debian linux | eq | 9.0 |
References
lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html
www.securityfocus.com/bid/106938
github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1
lists.debian.org/debian-lts-announce/2019/02/msg00030.html
research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/
security.gentoo.org/glsa/201903-06
www.debian.org/security/2019/dsa-4394
Related
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.6 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.105 Low
EPSS
Percentile
95.0%