CVE-2017-7521 (GCVE-0-2017-7521)

Vulnerability from cvelistv5 – Published: 2017-06-27 13:00 – Updated: 2024-08-05 16:04
VLAI
Summary
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().
Severity
5.9 (Medium)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
Assigner
References
URL Tags
https://community.openvpn.net/openvpn/wiki/Vulner… x_refsource_CONFIRM
http://www.securitytracker.com/id/1038768 vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/99230 vdb-entryx_refsource_BID
http://www.debian.org/security/2017/dsa-3900 vendor-advisoryx_refsource_DEBIAN
Impacted products
Vendor Product Version CPE status
OpenVPN Technologies, Inc OpenVPN Affected: before 2.4.3
Affected: before 2.3.17
guessed Create a notification for this product.
Date Public
2017-06-21 00:00
Show details on NVD website
To clipboard 

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}



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Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.