CVE-2018-8788
freerdp: Out-of-bounds write in nsc_rle_decode() function
Severity Score
9.8
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
FreeRDP prior to version 2.0.0-rc4 contains an Out-Of-Bounds Write of up to 4 bytes in function nsc_rle_decode() that results in a memory corruption and possibly even a remote code execution.
FreeRDP en versiones anteriores a la 2.0.0-rc4 contiene una escritura fuera de límites de hasta 4 bytes en la función nsc_rle_decode() que resulta en una corrupción de memoria y, probablemente, incluso en la ejecución remota de código.
A flaw was found in freerdp in versions before 2.0.0-rc4. An out-of-bounds write of up to 4 bytes in the nsc_rle_decode() function results in a memory corruption. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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
- 2018-03-19 CVE Reserved
- 2018-11-29 CVE Published
- 2024-09-16 CVE Updated
- 2024-09-16 First Exploit
- 2024-11-08 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-787: Out-of-bounds Write
CAPEC
References (9)
| URL | Tag | Source |
|---|---|---|
| http://www.securityfocus.com/bid/106938 | Third Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2019/02/msg00015.html | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients | 2024-09-16 |
| URL | Date | SRC |
|---|---|---|
| https://github.com/FreeRDP/FreeRDP/commit/d1112c279bd1a327e8e4d0b5f371458bf2579659 | 2019-06-03 |
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2019:0697 | 2019-06-03 | |
| https://usn.ubuntu.com/3845-1 | 2019-06-03 | |
| https://usn.ubuntu.com/3845-2 | 2019-06-03 | |
| https://access.redhat.com/security/cve/CVE-2018-8788 | 2019-04-02 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1671363 | 2019-04-02 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Freerdp Search vendor "Freerdp" | Freerdp Search vendor "Freerdp" for product "Freerdp" | <= 1.2.0 Search vendor "Freerdp" for product "Freerdp" and version " <= 1.2.0" | - |
Affected
| ||||||
| Freerdp Search vendor "Freerdp" | Freerdp Search vendor "Freerdp" for product "Freerdp" | 2.0.0 Search vendor "Freerdp" for product "Freerdp" and version "2.0.0" | rc1 |
Affected
| ||||||
| Freerdp Search vendor "Freerdp" | Freerdp Search vendor "Freerdp" for product "Freerdp" | 2.0.0 Search vendor "Freerdp" for product "Freerdp" and version "2.0.0" | rc2 |
Affected
| ||||||
| Freerdp Search vendor "Freerdp" | Freerdp Search vendor "Freerdp" for product "Freerdp" | 2.0.0 Search vendor "Freerdp" for product "Freerdp" and version "2.0.0" | rc3 |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 18.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.10" | - |
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
| ||||||