PT-2019-1460 · Rdesktop+2 · Rdesktop+2

Eyal Itkin · Published 2019-01-18 · Updated 2024-06-15 · CVE-2018-8793

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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 a heap-based buffer overflow in the cssp read tsrequest() function of the RDP client. This can lead to memory corruption and potentially allow a remote attacker to execute arbitrary code.

Recommendations For versions up to and including v1.8.3, update to a version that contains a fix for this issue to prevent potential remote code execution. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Memory Corruption

Buffer Overflow

Heap Based Buffer Overflow

Weakness Enumeration

CWE-787

CWE-119

CWE-122

Related Identifiers

ALT-PU-2019-2898

ALT-PU-2020-1636

BDU:2019-00850

CVE-2018-8793

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://osv.dev/vulnerability/UBUNTU-CVE-2018-8793 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-8793 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2018-8793 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-8793 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-8793 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-00850 · Security Note
• https://cve.org/CVERecord?id=CVE-2018-8793 · Security Note
• https://osv.dev/vulnerability/MGASA-2019-0041 · Vendor Advisory
• https://debian.org/security/2019/dsa-4394 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-8793 · Security Note
• https://osv.dev/vulnerability/DLA-1683-1 · Vendor Advisory