CVE-2021-31566

Katalog CVE

CVSS 7.8 · High EPSS 0,39%

Kerentanan Improper Link Resolution Before File Access ('Link Following') pada libarchive, fedoraproject fedora +12 lainnya. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and flags of a file outside of the archive. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to gain more privileges in a system.

Rincian

Terbit di NVD

23 Agustus 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-59: Improper Link Resolution Before File Access ('Link Following')

EPSS (30 hari)

0,39% peluang dieksploitasi; lebih tinggi dari 30,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.redhat.com/show_bug.cgi?id=2024237 issue tracking · patch · advisory pihak ketiga
• https://github.com/libarchive/libarchive/commit/b41daecb5ccb4c8e3b2c53fd6147109fc12c3043 patch · advisory pihak ketiga
• https://github.com/libarchive/libarchive/issues/1566 issue tracking · patch · advisory pihak ketiga
• https://access.redhat.com/security/cve/CVE-2021-31566 advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html mailing list · advisory pihak ketiga