CVE-2020-1899

State: Published
Severity: Not scored
Published: Mar 11, 2021
Updated: Aug 4, 2024
Reserved: Dec 2, 2019

Description

The unserialize() function supported a type code, "S", which was meant to be supported only for APC serialization. This type code allowed arbitrary memory addresses to be accessed as if they were static StringData objects. 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.

Scores

The record has no CVSS score.

Weaknesses

CWE-822 Untrusted Pointer Dereference (CWE-822)

Affected Products

Product	Versions
HHVMFacebook	4.62.1 to before unspecifiedNot affected 4.62.0Affected 4.61.1 to before unspecifiedNot affected 4.61.0Affected 4.60.1 to before unspecifiedNot affected 4.60.0Affected 4.59.1 to before unspecifiedNot affected 4.59.0Affected 4.58.2 to before unspecifiedNot affected 4.58.0 to before unspecifiedAffected 4.57.1 to before unspecifiedNot affected 4.57.0Affected 4.56.1 to before unspecifiedNot affected 4.33.0 to before unspecifiedAffected 4.32.3 to before unspecifiedNot affected before 4.32.3Affected

Product

Versions

HHVMFacebook

4.62.1 to before unspecifiedNot affected
4.62.0Affected
4.61.1 to before unspecifiedNot affected
4.61.0Affected
4.60.1 to before unspecifiedNot affected
4.60.0Affected
4.59.1 to before unspecifiedNot affected
4.59.0Affected
4.58.2 to before unspecifiedNot affected
4.58.0 to before unspecifiedAffected
4.57.1 to before unspecifiedNot affected
4.57.0Affected
4.56.1 to before unspecifiedNot affected
4.33.0 to before unspecifiedAffected
4.32.3 to before unspecifiedNot affected
before 4.32.3Affected

References

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