CVE-2018-20177
Debian Security Advisory 4394-1
Severity Score
9.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
rdesktop versions up to and including v1.8.3 contain an Integer Overflow that leads to a Heap-Based Buffer Overflow in the function rdp_in_unistr() and results in memory corruption and possibly even a remote code execution.
rdesktop, en versiones hasta e incluyendo la v1.8.3, contiene un desbordamiento de enteros que conduce a un desbordamiento de búfer basado en memoria dinámica (heap) en la función rdp_in_unistr() y resulta en la corrupción de memoria y, posiblemente, incluso la ejecución remota de código.
Multiple vulnerabilities have been discovered in rdesktop, the worst of which could result in the remote execution of arbitrary code. Versions less than 1.8.4 are affected.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2018-12-17 CVE Reserved
- 2019-02-19 CVE Published
- 2024-08-05 CVE Updated
- 2024-08-05 First Exploit
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-190: Integer Overflow or Wraparound
- CWE-787: Out-of-bounds Write
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| http://www.securityfocus.com/bid/106938 | Broken Link | |
| https://lists.debian.org/debian-lts-announce/2019/02/msg00030.html | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients | 2024-08-05 |
| URL | Date | SRC |
|---|---|---|
| https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1 | 2023-03-03 |
| URL | Date | SRC |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html | 2023-03-03 | |
| https://security.gentoo.org/glsa/201903-06 | 2023-03-03 | |
| https://www.debian.org/security/2019/dsa-4394 | 2023-03-03 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Rdesktop Search vendor "Rdesktop" | Rdesktop Search vendor "Rdesktop" for product "Rdesktop" | <= 1.8.3 Search vendor "Rdesktop" for product "Rdesktop" and version " <= 1.8.3" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||
| Opensuse Search vendor "Opensuse" | Backports Search vendor "Opensuse" for product "Backports" | sle-15 Search vendor "Opensuse" for product "Backports" and version "sle-15" | sp1 |
Affected
| ||||||
| Opensuse Search vendor "Opensuse" | Leap Search vendor "Opensuse" for product "Leap" | 15.1 Search vendor "Opensuse" for product "Leap" and version "15.1" | - |
Affected
| ||||||