Improper Data Handling Affecting exim-pgsql package, versions <0:4.92-1.23.amzn1
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-EXIMPGSQL-1718071
- published27 Sept 2021
- disclosed25 Jul 2019
Introduced: 25 Jul 2019
CVE-2019-13917 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2018.03 exim-pgsql to version 0:4.92-1.23.amzn1 or higher.
This issue was patched in ALAS-2019-1252.
NVD Description
Note: Versions mentioned in the description apply only to the upstream exim-pgsql package and not the exim-pgsql package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.
Exim 4.85 through 4.92 (fixed in 4.92.1) allows remote code execution as root in some unusual configurations that use the ${sort } expansion for items that can be controlled by an attacker (e.g., $local_part or $domain).
References
- https://seclists.org/bugtraq/2019/Jul/51
- http://exim.org/static/doc/security/CVE-2019-13917.txt
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13917
- https://www.debian.org/security/2019/dsa-4488
- https://security.gentoo.org/glsa/201909-06
- http://www.openwall.com/lists/oss-security/2019/07/26/5