CVE-2017-5581
tigervnc: Buffer overflow in ModifiablePixelBuffer::fillRect
Severity Score
9.8
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Buffer overflow in the ModifiablePixelBuffer::fillRect function in TigerVNC before 1.7.1 allows remote servers to execute arbitrary code via an RRE message with subrectangle outside framebuffer boundaries.
Desbordamiento de búfer en la función ModifiablePixelBuffer::fillRect en TigerVNC en versiones anteriores a 1.7.1 permite a servidores remotos ejecutar código arbitrario a través de un mensaje RRE con un subrectangulo fuera de los límites del marco del búfer.
A buffer overflow flaw, leading to memory corruption, was found in TigerVNC viewer. A remote malicious VNC server could use this flaw to crash the client vncviewer process resulting in denial of service.
*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
- 2017-01-25 CVE Reserved
- 2017-02-21 CVE Published
- 2023-03-07 EPSS Updated
- 2024-08-05 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
References (11)
| URL | Tag | Source |
|---|---|---|
| http://www.securityfocus.com/bid/95789 | Third Party Advisory | |
| https://github.com/TigerVNC/tigervnc/releases/tag/v1.7.1 | Release Notes |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2017/01/22/1 | 2018-01-05 | |
| http://www.openwall.com/lists/oss-security/2017/01/25/6 | 2018-01-05 | |
| https://github.com/TigerVNC/tigervnc/commit/18c020124ff1b2441f714da2017f63dba50720ba | 2018-01-05 | |
| https://github.com/TigerVNC/tigervnc/pull/399 | 2018-01-05 |
| URL | Date | SRC |
|---|---|---|
| http://rhn.redhat.com/errata/RHSA-2017-0630.html | 2018-01-05 | |
| https://access.redhat.com/errata/RHSA-2017:2000 | 2018-01-05 | |
| https://security.gentoo.org/glsa/201702-19 | 2018-01-05 | |
| https://access.redhat.com/security/cve/CVE-2017-5581 | 2017-08-01 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1415712 | 2017-08-01 |