CVE-2020-1898 Detail

Undergoing Analysis


This vulnerability is currently undergoing analysis and not all information is available. Please check back soon to view the completed vulnerability summary.

Description

The fb_unserialize function did not impose a depth limit for nested deserialization. That meant a maliciously constructed string could cause deserialization to recurse, leading to stack exhaustion. This issue affected HHVM prior to v4.32.3, between versions 4.33.0 and 4.56.0, 4.57.0, 4.58.0, 4.58.1, 4.59.0, 4.60.0, 4.61.0, 4.62.0.

Severity

CVSS 3.x Severity and Metrics:

CVSS 2.0 Severity and Metrics:

References to Advisories, Solutions, and Tools

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Weakness Enumeration

CWE-ID CWE Name Source
CWE-674 Uncontrolled Recursion Facebook, Inc.  

Change History

0 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-1898
NVD Published Date:
03/10/2021
NVD Last Modified:
03/11/2021
Source:
Facebook, Inc.