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CVE-2020-1899

HIGH

7.5

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.

Details CVE

Score CVSS v3.17.5

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie3/11/2021

Derniere modification11/21/2024

Sourcenvd

Observations honeypot0

Produits affectes

facebook:hhvm

Faiblesses (CWE)

CWE-822CWE-119

References

https://github.com/facebook/hhvm/commit/1107228a5128d3ca1c4add8ac1635d933cbbe2e9(cve-assign@fb.com)

https://hhvm.com/blog/2020/06/30/security-update.html(cve-assign@fb.com)

https://github.com/facebook/hhvm/commit/1107228a5128d3ca1c4add8ac1635d933cbbe2e9(af854a3a-2127-422b-91ae-364da2661108)

https://hhvm.com/blog/2020/06/30/security-update.html(af854a3a-2127-422b-91ae-364da2661108)

Correlations IOC

Aucune correlation enregistree

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