Heap Buffer Overflow in TigerVNC Versions Prior to 1.10.1
CVE-2019-15694

7.2HIGH

Key Information:

Vendor

Kaspersky
Status
Tigervnc
Vendor
CVE Published:
26 December 2019

What is CVE-2019-15694?

TigerVNC versions prior to 1.10.1 are affected by a heap buffer overflow vulnerability that occurs within the DecodeManager::decodeRect function. This security flaw arises from a signedness error during the processing of MemOutStream, which could allow an attacker to exploit the vulnerability through network connectivity. Successful exploitation may lead to remote code execution, posing significant risks to affected systems.

Affected Version(s)

TigerVNC 1.10.0

References

https://github.com/CendioOssman/tigervnc/commit/0943c006c...
x_refsource_MISC
https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1
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https://www.openwall.com/lists/oss-security/2019/12/20/2
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CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.