CVE-2018-1000167
OISF suricata-update version 1.0.0a1 contains an Insecure Deserialization vulnerability in the insecure yaml.load-Function as used in the following files: config.py:136, config.py:142, sources.py:99 and sources.py:131.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.13%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
OISF suricata-update version 1.0.0a1 contains an Insecure Deserialization vulnerability in the insecure yaml.load-Function as used in the following files: config.py:136, config.py:142, sources.py:99 and sources.py:131. The "list-sources"-command is affected by this bug. that can result in Remote Code Execution(even as root if suricata-update is called by root). This attack appears to be exploitable via a specially crafted yaml-file at https://www.openinfosecfoundation.org/rules/index.yaml. This vulnerability appears to have been fixed in 1.0.0b1.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 4.13% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- oisf/suricata-update
- Source
- cve@mitre.org
References
- https://redmine.openinfosecfoundation.org/issues/2359Third Party Advisory
- https://tech.feedyourhead.at/content/remote-code-execution-in-suricata-updateExploit, Third Party Advisory
- https://redmine.openinfosecfoundation.org/issues/2359Third Party Advisory
- https://tech.feedyourhead.at/content/remote-code-execution-in-suricata-updateExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.