Double Free Affecting openvpn-debuginfo package, versions <0:2.4.3-1.19.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-OPENVPNDEBUGINFO-1706471
- published27 Sept 2021
- disclosed27 Jun 2017
Introduced: 27 Jun 2017
CVE-2017-7521 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2018.03 openvpn-debuginfo to version 0:2.4.3-1.19.amzn1 or higher.
This issue was patched in ALAS-2017-852.
NVD Description
Note: Versions mentioned in the description apply only to the upstream openvpn-debuginfo package and not the openvpn-debuginfo package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.
OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service due to memory exhaustion caused by memory leaks and double-free issue in extract_x509_extension().