CVE-2020-1899
published 2021-03-11CVE-2020-1899: The unserialize() function supported a type code, "S", which was meant to be supported only for APC serialization. This type code allowed arbitrary memory…
PriorityP344high7.5CVSS 3.1
AVNACLPRNUINSUCHINAN
EPSS
1.22%
64.8th percentile
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.
Affected
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| hhvm | < 4.32.3 | 4.32.3 | |
| hhvm | — | — | |
| hhvm | — | — | |
| hhvm | — | — | |
| hhvm | — | — | |
| hhvm | — | — | |
| hhvm | — | — | |
| hhvm | — | — | |
| hhvm | >= 4.33.0 < unspecified | unspecified | |
| hhvm | >= 4.33.0 < 4.56.1 | 4.56.1 | |
| hhvm | >= 4.58.0 < unspecified | unspecified | |
| hhvm | >= unspecified < 4.32.3 | 4.32.3 |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
osv7.5HIGH
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GHSA
GHSA-hqh4-hp5h-w6qj: The unserialize() function supported a type code, "S", which was meant to be supported only for APC serialization
ghsa_unreviewed·2022-05-24
CVE-2020-1899 [HIGH] CWE-119 GHSA-hqh4-hp5h-w6qj: The unserialize() function supported a type code, "S", which was meant to be supported only for APC serialization
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.
OSV
CVE-2020-1899: The unserialize() function supported a type code, "S", which was meant to be supported only for APC serialization
osv·2021-03-11·CVSS 7.5
CVE-2020-1899 [HIGH] CVE-2020-1899: The unserialize() function supported a type code, "S", which was meant to be supported only for APC serialization
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-03-11
Published