Out-of-Bounds Affecting tigervnc package, versions <0:1.8.0-1.el7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CENTOS7-TIGERVNC-2087347
- published26 Jul 2021
- disclosed13 Jan 2017
Introduced: 13 Jan 2017
CVE-2017-5581 (opens in a new tab)How to fix?
Upgrade Centos:7 tigervnc to version 0:1.8.0-1.el7 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream tigervnc package and not the tigervnc package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
Buffer overflow in the ModifiablePixelBuffer::fillRect function in TigerVNC before 1.7.1 allows remote servers to execute arbitrary code via an RRE message with subrectangle outside framebuffer boundaries.
References
- http://www.securityfocus.com/bid/95789
- https://github.com/TigerVNC/tigervnc/commit/18c020124ff1b2441f714da2017f63dba50720ba
- https://github.com/TigerVNC/tigervnc/pull/399
- https://github.com/TigerVNC/tigervnc/releases/tag/v1.7.1
- https://access.redhat.com/security/cve/CVE-2017-5581
- https://security.gentoo.org/glsa/201702-19
- http://www.openwall.com/lists/oss-security/2017/01/22/1
- http://www.openwall.com/lists/oss-security/2017/01/25/6
- http://rhn.redhat.com/errata/RHSA-2017-0630.html
- https://access.redhat.com/errata/RHSA-2017:2000