Directory Traversal Affecting pcs-debuginfo package, versions <0:0.9.162-5.amzn2.1.1
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-AMZN2-PCSDEBUGINFO-1662501
- published27 Sept 2021
- disclosed12 Apr 2018
Introduced: 12 Apr 2018
CVE-2018-1079 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2 pcs-debuginfo to version 0:0.9.162-5.amzn2.1.1 or higher.
This issue was patched in ALAS2-2018-1005.
NVD Description
Note: Versions mentioned in the description apply only to the upstream pcs-debuginfo package and not the pcs-debuginfo package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
pcs before version 0.9.164 and 0.10 is vulnerable to a privilege escalation via authorized user malicious REST call. The REST interface of the pcsd service did not properly sanitize the file name from the /remote/put_file query. If the /etc/booth directory exists, an authenticated attacker with write permissions could create or overwrite arbitrary files with arbitrary data outside of the /etc/booth directory, in the context of the pcsd process.