Race Condition The advisory has been revoked - it doesn't affect any version of package exim-greylist (opens in a new tab)
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-AMZN201803-EXIMGREYLIST-2974658
- published5 Aug 2022
- disclosed6 May 2021
Introduced: 6 May 2021
CVE-2021-27216 (opens in a new tab)Amendment
The Amazon-Linux security team deemed this advisory irrelevant for Amazon-Linux:2018.03.
NVD Description
Note: Versions mentioned in the description apply only to the upstream exim-greylist package and not the exim-greylist package as distributed by Amazon-Linux.
Exim 4 before 4.94.2 has Execution with Unnecessary Privileges. By leveraging a delete_pid_file race condition, a local user can delete arbitrary files as root. This involves the -oP and -oPX options.