CVE-2019-9874

Summary

Deserialization of Untrusted Data in the Sitecore.Security.AntiCSRF (aka anti CSRF) module in Sitecore CMS 7.0 to 7.2 and Sitecore XP 7.5 to 8.2 allows an unauthenticated attacker to execute arbitrary code by sending a serialized .NET object in the HTTP POST parameter __CSRFTOKEN.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://dev.sitecore.net/Downloads.aspx
• https://www.synacktiv.com/blog.html
• https://www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdf

CISA ADP Vulnrichment

• SSVC:
• Exploitation: active
  • Automatable: yes
  • Technical Impact: total

Additional References

• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9874

References

• https://dev.sitecore.net/Downloads.aspx
• https://www.synacktiv.com/blog.html
• https://www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdf

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