Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2018-20177

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

Published

2019-03-15T18:29:00.423

Last Modified

2024-11-21T04:01:01.310

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-190
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	rdesktop	rdesktop	≤ 1.8.3	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	opensuse	backports	sle-15	Yes
Operating System	opensuse	leap	15.1	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/106938 Broken Link, Third Party Advisory, VDB Entry ([email protected])
https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1 Patch ([email protected])
https://lists.debian.org/debian-lts-announce/2019/02/msg00030.html Mailing List, Third Party Advisory ([email protected])
https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/ Exploit, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/201903-06 Third Party Advisory ([email protected])
https://www.debian.org/security/2019/dsa-4394 Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/106938 Broken Link, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2019/02/msg00030.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201903-06 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2019/dsa-4394 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)