Global Buffer Overflow in TightVNC by GlavSoft
CVE-2019-8287

9.8CRITICAL

Key Information:

Vendor
Kaspersky
Status
Tightvnc
Vendor
CVE Published:
29 October 2019

Summary

The TightVNC application, specifically version 1.3.10 developed by GlavSoft, contains a vulnerability in the HandleCoRREBBP macro function that leads to a global buffer overflow. This flaw can be exploited remotely, potentially allowing an attacker to execute arbitrary code on systems running the affected software. Given its network accessibility, it poses significant risks to users who rely on TightVNC for remote desktop connections.

Affected Version(s)

TightVNC 1.3.10

References

https://www.openwall.com/lists/oss-security/2018/12/10/5
mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2019/12/msg0...
mailing-listx_refsource_MLIST
https://cert-portal.siemens.com/productcert/pdf/ssa-47889...
x_refsource_CONFIRM

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.