CVE-2018-20181

rdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a Heap-Based Buffer Overflow in the function seamless_process() and results in memory corruption and probably even a remote code execution.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/	Exploit Third Party Advisory
https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1	Patch Third Party Advisory
https://www.debian.org/security/2019/dsa-4394	Third Party Advisory
https://security.gentoo.org/glsa/201903-06	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00030.html	Mailing List Third Party Advisory
http://www.securityfocus.com/bid/106938	Third Party Advisory VDB Entry
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html

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Configurations

Configuration 1 (hide)

cpe:2.3:a:rdesktop:rdesktop:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*

Information

Published : 2019-03-15 11:29

Updated : 2020-08-24 10:37

NVD link : CVE-2018-20181

Mitre link : CVE-2018-20181

JSON object : View

CWE

CWE-787

Out-of-bounds Write

CWE-191

Integer Underflow (Wrap or Wraparound)

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Products Affected

debian

debian_linux

rdesktop

rdesktop

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