Information Exposure Affecting libvncserver-devel package, versions *


Severity

Recommended
low

Based on CentOS security rating.

Threat Intelligence

EPSS
0.39% (74th percentile)

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  • Snyk IDSNYK-CENTOS8-LIBVNCSERVERDEVEL-1944389
  • published26 Jul 2021
  • disclosed30 Oct 2019

Introduced: 30 Oct 2019

CVE-2019-15681  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

There is no fixed version for Centos:8 libvncserver-devel.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvncserver-devel package and not the libvncserver-devel package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appear to be exploitable via network connectivity. These vulnerabilities have been fixed in commit d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a.

CVSS Scores

version 3.1