NULL Pointer Dereference Affecting libvirt package, versions <3.0.0-3
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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- published27 Jun 2018
- disclosed22 Aug 2018
Introduced: 27 Jun 2018
CVE-2017-2635 (opens in a new tab)How to fix?
Upgrade Debian:unstable libvirt to version 3.0.0-3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libvirt package and not the libvirt package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
A NULL pointer deference flaw was found in the way libvirt from 2.5.0 to 3.0.0 handled empty drives. A remote authenticated attacker could use this flaw to crash libvirtd daemon resulting in denial of service.
References
- https://security-tracker.debian.org/tracker/CVE-2017-2635
- https://libvirt.org/git/?p=libvirt.git;a=commit;h=c3de387380f6057ee0e46cd9f2f0a092e8070875
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2635
- https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=c3de387380f6057ee0e46cd9f2f0a092e8070875