CVE-2017-9023

Summary

The ASN.1 parser in strongSwan before 5.5.3 improperly handles CHOICE types when the x509 plugin is enabled, which allows remote attackers to cause a denial of service (infinite loop) via a crafted certificate.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://www.securityfocus.com/bid/98756
• https://www.strongswan.org/blog/2017/05/30/strongswan-vulnerability-%28cve-2017-9023%29.html
• http://www.debian.org/security/2017/dsa-3866
• http://www.ubuntu.com/usn/USN-3301-1

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• http://www.securityfocus.com/bid/98756
• https://www.strongswan.org/blog/2017/05/30/strongswan-vulnerability-%28cve-2017-9023%29.html
• http://www.debian.org/security/2017/dsa-3866
• http://www.ubuntu.com/usn/USN-3301-1

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