PT-2019-1466 · Rdesktop+2 · Rdesktop+2

Eyal Itkin · Published 2019-01-18 · Updated 2024-06-15 · CVE-2018-8799

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions rdesktop versions up to and including v1.8.3

Description The issue is related to an Out-Of-Bounds Read in the process secondary order() function, which can result in a Denial of Service (segfault). This can be exploited by a remote attacker to cause a disruption in service. The vulnerability is associated with the implementation of the process secondary order function in the RDP client.

Recommendations For rdesktop versions up to and including v1.8.3, consider applying a patch or update when available to fix the Out-Of-Bounds Read issue in the process secondary order() function. As a temporary workaround, restrict access to the process secondary order() function to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Buffer Over-read

Out of bounds Read

Weakness Enumeration

CWE-126

CWE-125

Related Identifiers

ALT-PU-2019-2898

ALT-PU-2020-1636

BDU:2019-00856

CVE-2018-8799

DLA-1683-1

DSA-4394-1

MGASA-2019-0041

OPENSUSE-SU-2019:2135-1

OPENSUSE-SU-2019_2135-1

OPENSUSE-SU-2024:11298-1

Affected Products

Alt Linux

Suse

Rdesktop

References · 51

• https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1 · Patch
• http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2019:2135-1 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2019-0041.html · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-8799 · Security Note
• https://cve.org/CVERecord?id=CVE-2018-8799 · Security Note
• https://osv.dev/vulnerability/MGASA-2019-0041 · Vendor Advisory
• https://debian.org/security/2019/dsa-4394 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-8799 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-8799 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-8799 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-1683-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-8799 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:11298-1 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2018-8799 · Vendor Advisory