Candidate: CVE-2019-5020
PublicDate: 2019-07-31 17:15:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5020
 https://talosintelligence.com/vulnerability_reports/TALOS-2019-0781
 https://github.com/VirusTotal/yara/issues/1023
Description:
 An exploitable denial of service vulnerability exists in the object lookup
 functionality of Yara 3.8.1. A specially crafted binary file can cause a
 negative value to be read to satisfy an assert, resulting in Denial of
 Service. An attacker can create a malicious binary to trigger this
 vulnerability.
Ubuntu-Description:
Notes:
 ebarretto> upstream fix introduced a regression, please check if all necessary
 ebarretto> commits are included when patching.
Bugs:
Priority: medium
Discovered-by:
Assigned-to:
CVSS:
 nvd: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H [5.5 MEDIUM]


Patches_yara:
 upstream: https://github.com/VirusTotal/yara/commit/1ecb0e66431bf5c5b4c2fdf622be969eb5f4a7cc
 upstream: https://github.com/VirusTotal/yara/commit/a3784d3855029bd0ad24071e72746cc0c31b8cba
upstream_yara: released (3.9.0-1)
precise/esm_yara: DNE
trusty_yara: ignored (out of standard support)
trusty/esm_yara: DNE
xenial_yara: not-affected (code not present)
bionic_yara: not-affected (code not present)
disco_yara: ignored (reached end-of-life)
eoan_yara: released (3.9.0-1)
devel_yara: released (3.9.0-1)