CVE-2019-15692: kaspersky tigervnc Heap-based Buffer Overflow

Vulnerability summary

CVE-2019-15692 is a high (CVSS 7.2) Heap-based Buffer Overflow vulnerability in kaspersky tigervnc. EPSS estimates a 4.77% chance of exploitation in the next 30 days, higher than 91.8% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 26-12-2019
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow. Vulnerability could be triggered from CopyRectDecoder due to incorrect value checks. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.

• CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.