CVE-2019-3556

Katalog CVE

CVSS 8.1 · High EPSS 1,8%

Kerentanan Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') pada facebook hhvm. Skor CVSS 3.1 8.1 (High) menurut NVD.

Deskripsi (NVD)

HHVM supports the use of an "admin" server which accepts administrative requests over HTTP. One of those request handlers, dump-pcre-cache, can be used to output cached regular expressions from the current execution context into a file. The handler takes a parameter which specifies where on the filesystem to write this data. The parameter is not validated, allowing a malicious user to overwrite arbitrary files where the user running HHVM has write access. This issue affects HHVM versions prior to 4.56.2, all versions between 4.57.0 and 4.78.0, as well as 4.79.0, 4.80.0, 4.81.0, 4.82.0, and 4.83.0.

Rincian

Terbit di NVD

26 Oktober 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

8.1 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

EPSS (30 hari)

1,8% peluang dieksploitasi; lebih tinggi dari 77,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://hhvm.com/blog/2020/11/12/security-update.html advisory vendor
• https://github.com/facebook/hhvm/commit/abe0b29e4d3a610f9bc920b8be4ad8403364c2d4 patch · advisory pihak ketiga
• https://www.facebook.com/security/advisories/cve-2019-3556 broken link