Incorrect Permission Assignment for Critical Resource Affecting perf package, versions <0:4.9.81-44.57.amzn2


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.3% (71st percentile)

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  • Snyk IDSNYK-AMZN2-PERF-1661003
  • published27 Sept 2021
  • disclosed9 Feb 2018

Introduced: 9 Feb 2018

CVE-2018-1000028  (opens in a new tab)
CWE-732  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 perf to version 0:4.9.81-44.57.amzn2 or higher.
This issue was patched in ALAS2-2018-956.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

Linux kernel version after commit bdcf0a423ea1 - 4.15-rc4+, 4.14.8+, 4.9.76+, 4.4.111+ contains a Incorrect Access Control vulnerability in NFS server (nfsd) that can result in remote users reading or writing files they should not be able to via NFS. This attack appear to be exploitable via NFS server must export a filesystem with the "rootsquash" options enabled. This vulnerability appears to have been fixed in after commit 1995266727fa.

CVSS Scores

version 3.1