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CVE-2019-15694

7.2 · HIGH

TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which could be triggered from DecodeManager::decodeRect.

Published Dec 26, 2019CWE-122EPSS 4.49%

Overview

CVE-2019-15694 is a high-severity vulnerability. It was published on December 26, 2019 and has a CVSS 3.1 base score of 7.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which could be triggered from DecodeManager::decodeRect. Vulnerability occurs due to the signdness error in processing MemOutStream. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.opensuse.org/opensuse-security-announce/2020-01/msg00039.htmlGitHubgithub.com/CendioOssman/tigervnc/commit/0943c006c7d900dfc0281639e992791d6c567438GitHubgithub.com/TigerVNC/tigervnc/releases/tag/v1.10.1Refwww.openwall.com/lists/oss-security/2019/12/20/2Reflists.opensuse.org/opensuse-security-announce/2020-01/msg00039.htmlGitHubgithub.com/CendioOssman/tigervnc/commit/0943c006c7d900dfc0281639e992791d6c567438GitHubgithub.com/TigerVNC/tigervnc/releases/tag/v1.10.1Refwww.openwall.com/lists/oss-security/2019/12/20/2

How CyberStrike helps

Frequently asked questions

What is CVE-2019-15694?

CVE-2019-15694 is a high-severity vulnerability. It was published on December 26, 2019 and has a CVSS 3.1 base score of 7.2 (HIGH).

How severe is CVE-2019-15694?

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2019-15694?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-15694?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-15694 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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