PT-2019-1458 · Rdesktop+2 · Rdesktop+2

Eyal Itkin · Published 2019-01-18 · Updated 2024-06-15 · CVE-2018-8792

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 the implementation of the cssp read tsrequest function in the RDP client, which is associated with an out-of-bounds memory read. This can be exploited by a remote attacker to cause a denial of service, resulting in a crash.

Recommendations For rdesktop versions up to and including v1.8.3, consider disabling the cssp read tsrequest function as a temporary workaround until a patch is available.

Fix

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:2019-00848

CVE-2018-8792

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-2018-8792 · Security Note
• https://cve.org/CVERecord?id=CVE-2018-8792 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-8792 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2019-0041 · Vendor Advisory
• https://debian.org/security/2019/dsa-4394 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2018-8792 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-8792 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-8792 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-00848 · Security Note
• https://osv.dev/vulnerability/CVE-2018-8792 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-1683-1 · Vendor Advisory