Out-of-bounds Write Affecting gtk-vnc2-devel package, versions <0:0.7.0-2.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-RHEL7-GTKVNC2DEVEL-1472237
- published26 Jul 2021
- disclosed1 Feb 2017
Introduced: 1 Feb 2017
CVE-2017-5884 (opens in a new tab)How to fix?
Upgrade RHEL:7 gtk-vnc2-devel to version 0:0.7.0-2.el7 or higher.
This issue was patched in RHSA-2017:2258.
NVD Description
Note: Versions mentioned in the description apply only to the upstream gtk-vnc2-devel package and not the gtk-vnc2-devel package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
gtk-vnc before 0.7.0 does not properly check boundaries of subrectangle-containing tiles, which allows remote servers to execute arbitrary code via the src x, y coordinates in a crafted (1) rre, (2) hextile, or (3) copyrect tile.
References
- http://www.securityfocus.com/bid/96016
- https://bugzilla.gnome.org/show_bug.cgi?id=778048
- https://git.gnome.org/browse/gtk-vnc/commit/?id=ea0386933214c9178aaea9f2f85049ea3fa3e14a
- https://access.redhat.com/security/cve/CVE-2017-5884
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LGPQ5MQR6SN4DYTEFACHP2PP5RR26KYK/
- http://www.openwall.com/lists/oss-security/2017/02/03/5
- http://www.openwall.com/lists/oss-security/2017/02/05/5
- https://access.redhat.com/errata/RHSA-2017:2258
- https://bugzilla.redhat.com/show_bug.cgi?id=1418944
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LGPQ5MQR6SN4DYTEFACHP2PP5RR26KYK/