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CVE-2018-20178

Good to know:

Date: March 15, 2019

rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in the function process_demand_active() that results in a Denial of Service (segfault).

Language: C

Severity Score

7.5

Related Resources (12)

Url: https://security-tracker.debian.org/tracker/CVE-2018-20178

Url: https://lists.debian.org/debian-lts-announce/2019/02/msg00030.html

Url: https://access.redhat.com/security/cve/CVE-2018-20178

Url: https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2018-20178

Url: https://nvd.nist.gov/vuln/detail/CVE-2018-20178

Url: https://security.gentoo.org/glsa/201903-06

Url: https://www.debian.org/security/2019/dsa-4394

Url: http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html

Url: http://www.securityfocus.com/bid/106938

Url: https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1

Url: https://www.mend.io/vulnerability-database/CVE-2018-20178

Severity Score

7.5

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

Upgrade Version

Upgrade to version 1.8.4

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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