The sized_string_cmp function in libyara/sizedstr.c in YARA 3.5.0 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted rule.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - The sized_string_cmp function in libyara/sizedstr.c in YARA 3.5.0 allows remote attackers to cause a     denial of service (use-after-free and application crash) via a crafted rule. (CVE-2017-8929)

Note that Nessus relies on the presence of the package as reported by the vendor.

Update to a bugfix release of yara.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
251268	Linux Distros Unpatched Vulnerability : CVE-2017-8929	Nessus	Misc.	high
101721	Fedora 26 : yara (2017-cd57608211)	Nessus	Fedora Local Security Checks	high
100971	Fedora 24 : yara (2017-5c55ef46ee)	Nessus	Fedora Local Security Checks	high
100859	Fedora 25 : yara (2017-926e11c76e)	Nessus	Fedora Local Security Checks	high

Detections

Analytics

CVE-2017-8929

high

Tenable Plugins

high

high

high

high