Facebook HHVM up to 4.62.0 Dynamic Property use after free

Summaryinfo

A vulnerability has been found in Facebook HHVM up to 4.62.0 and classified as problematic. Affected by this issue is some unknown functionality of the component Dynamic Property Handler. This manipulation causes use after free. The identification of this vulnerability is CVE-2020-1900. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability has been found in Facebook HHVM up to 4.62.0 (Social Network Software) and classified as problematic. Affected by this vulnerability is an unknown part of the component Dynamic Property Handler. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 03/11/2021. It is possible to read the advisory at hhvm.com. This vulnerability is known as CVE-2020-1900. The technical details are unknown and an exploit is not publicly available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Social Network Software

Vendor

• Facebook

Name

• HHVM

Version

• 4.0
• 4.1
• 4.2
• 4.3
• 4.4
• 4.5
• 4.6
• 4.7
• 4.8
• 4.9
• 4.10
• 4.11
• 4.12
• 4.13
• 4.14
• 4.15
• 4.16
• 4.17
• 4.18
• 4.19
• 4.20
• 4.21
• 4.22
• 4.23
• 4.24
• 4.25
• 4.26
• 4.27
• 4.28
• 4.29
• 4.30
• 4.31
• 4.32
• 4.32.0
• 4.32.1
• 4.32.2
• 4.33
• 4.34
• 4.35
• 4.36
• 4.37
• 4.38
• 4.39
• 4.40
• 4.41
• 4.42
• 4.43
• 4.44
• 4.45
• 4.46
• 4.47
• 4.48
• 4.49
• 4.50
• 4.51
• 4.52
• 4.53
• 4.54
• 4.55
• 4.56
• 4.56.0
• 4.57
• 4.57.0
• 4.58
• 4.58.0
• 4.58.1
• 4.59
• 4.59.0
• 4.60
• 4.60.0
• 4.61
• 4.61.0
• 4.62.0

License

• free

Website

• Product: https://github.com/facebook/hhvm/

CPE 2.3info

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CPE 2.2info

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