Virus Detection Bypass in Sophos Products due to ZIP Archive Processing Flaw
CVE-2020-9363

7.8HIGH

Key Information:

Vendor

Sophos
Status
Cloud Optix
Mobile
Intercept X Endpoint
Intercept X For Server
Vendor
CVE Published:
24 February 2020

What is CVE-2020-9363?

The vulnerability allows attackers to exploit a flaw in the Sophos AV parsing engine, enabling them to bypass virus detection by using specially crafted ZIP archives. This issue affects multiple Sophos products but is noted by the vendor to have limited impact on endpoint protection as the malware is detected upon extraction.

References

https://blog.zoller.lu/p/release-mode-coordinated-disclos...
x_refsource_MISC
https://community.sophos.com/b/security-blog/posts/sophos...
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2020-9363 : Virus Detection Bypass in Sophos Products due to ZIP Archive Processing Flaw