CVE-2020-1899: Facebook HHVM, грешка в паметта

Описание

Оригинално описание

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.

Засегнати продукти

• Facebook HHVM: 4.62.1 преди unspecified; 4.62.0; 4.61.1 преди unspecified; 4.61.0; 4.60.1 преди unspecified; 4.60.0; 4.59.1 преди unspecified; 4.59.0; 4.58.2 преди unspecified; 4.58.0 преди unspecified; 4.57.1 преди unspecified; 4.57.0; 4.56.1 преди unspecified; 4.33.0 преди unspecified; 4.32.3 преди unspecified; unspecified преди 4.32.3

Вид слабост

• CWE-822 Untrusted Pointer Dereference

История

Други уязвимости в Facebook HHVM

• 9.8CVE-2022-36937
• CVE-2019-3556
• CVE-2021-24036
• CVE-2020-1900
• CVE-2020-1898

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2020-1899
• https://nvd.nist.gov/vuln/detail/CVE-2020-1899
• https://hhvm.com/blog/2020/06/30/security-update.html
• https://github.com/facebook/hhvm/commit/1107228a5128d3ca1c4add8ac1635d933cbbe2e9