TightVNC buffer overflow | CVE-2022-23967
NAME
TightVNC buffer overflow
- Platforms Affected:
TightVNC TightVNC 1.3.10 - Risk Level:
9.8 - Exploitability:
Unproven - Consequences:
Gain Access
DESCRIPTION
TightVNC is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by the InitialiseRFBConnection function in rfbproto.c. By sending a specially-crafted request using 0xffffffff bytes of data, a remote attacker could overflow a buffer and execute arbitrary code or cause a denial of service condition on the system.
CVSS 3.0 Information
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Access Vector: Network
- Access Complexity: Low
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Remediation Level: Unavailable
MITIGATION
No remedy available as of January 26, 2022.
- Reference Link:
https://github.com/MaherAzzouzi/CVE-2022-23967 - Reference Link:
https://www.tightvnc.com/
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