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LIN1019-3873 : Security Advisory - tigervnc - CVE-2019-15695

Created: Dec 31, 2019    Updated: Feb 21, 2020
Resolved Date: Jan 21, 2020
Found In Version: 10.19.45.1
Fix Version: 10.19.45.4
Severity: Standard
Applicable for: Wind River Linux LTS 19
Component/s: Userspace

Description

TigerVNC version prior to 1.10.1 is vulnerable to stack buffer overflow, which could be triggered from CMsgReader::readSetCursor. This vulnerability occurs due to insufficient sanitization of PixelFormat. Since remote attacker can choose offset from start of the buffer to start writing his values, exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.

CREATE(Triage):(User=admin) [CVE-2019-15695|https://nvd.nist.gov/vuln/detail/CVE-2019-15695]

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