Integer Overflow or Wraparound Affecting virglrenderer package, versions <0.6.0-1
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-DEBIANUNSTABLE-VIRGLRENDERER-295944
- published10 Mar 2017
- disclosed10 Mar 2017
Introduced: 10 Mar 2017
CVE-2017-6355 (opens in a new tab)How to fix?
Upgrade Debian:unstable virglrenderer to version 0.6.0-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream virglrenderer package and not the virglrenderer package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
Integer overflow in the vrend_create_shader function in vrend_renderer.c in virglrenderer before 0.6.0 allows local guest OS users to cause a denial of service (process crash) via crafted pkt_length and offlen values, which trigger an out-of-bounds access.
References
- https://security-tracker.debian.org/tracker/CVE-2017-6355
- https://security.gentoo.org/glsa/201707-06
- https://cgit.freedesktop.org/virglrenderer/commit/?id=93761787b29f37fa627dea9082cdfc1a1ec608d6
- https://lists.freedesktop.org/archives/virglrenderer-devel/2017-February/000145.html
- http://www.openwall.com/lists/oss-security/2017/02/27/3
- http://www.securityfocus.com/bid/96460