Home/CVE/rdesktop versions up to and including v1.8.3 contain a Heap-Based Buffer Overflow in function cssp_read_tsrequest() that
CVE

CVE-2018-8793

rdesktop versions up to and including v1.8.3 contain a Heap-Based Buffer Overflow in function cssp_read_tsrequest() that

rdesktop versions up to and including v1.8.3 contain a Heap-Based Buffer Overflow in function cssp_read_tsrequest() that results in a memory corruption and probably even a remote code execution.

CRITICAL · CVSS 9.8 EPSS 0.06669
Schedule remediation
  • EPSS percentile: top 9% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-122Heap-based Buffer Overflow
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

3
rdesktop<= 1.8.3
debian linuxall versions
opensuse leapall versions
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@checkpoint.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Feb 2019 · 08:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

2
suse-csafopenSUSE-SU-2024:11298-1
suse-csafopenSUSE-SU-2019:2135-1
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.htmlMailing ListThird Party Advisory
http://www.securityfocus.com/bid/106938Third Party AdvisoryVDB Entry
https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00030.htmlMailing ListThird Party Advisory
https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/Third Party Advisory
https://security.gentoo.org/glsa/201903-06Third Party Advisory
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