Use-After-Free Vulnerability in Proxygen by Facebook
CVE-2020-1897

9.8CRITICAL

Key Information:

Vendor

Facebook

Status
Proxygen
Vendor
CVE Published:
18 May 2020

What is CVE-2020-1897?

A use-after-free vulnerability exists in Proxygen due to improper lifetime management in the request adaptor. This flaw can be exploited when a malicious client triggers request error handling in a specific sequence, potentially allowing for unauthorized actions. This issue impacts versions of Proxygen released before May 18, 2020, highlighting the importance of promptly updating to mitigate security risks.

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Affected Version(s)

proxygen < unspecified

proxygen v2020.05.18.00

References

https://www.facebook.com/security/advisories/cve-2020-1897
x_refsource_CONFIRM

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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