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.
Published: 2021-03-11
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2020-12724 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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: facebook

Published:

Updated: 2024-08-04T06:53:59.646Z

Reserved: 2019-12-02T00:00:00.000Z

Link: CVE-2020-1898

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-03-11T01:15:14.177

Modified: 2024-11-21T05:11:34.287

Link: CVE-2020-1898

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses