CVE-2020-8443

Katalog CVE

CVSS 9.8 · Critical EPSS 2,7%

Kerentanan Off-by-one Error pada ossec. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to an off-by-one heap-based buffer overflow during the cleaning of crafted syslog msgs (received from authenticated remote agents and delivered to the analysisd processing queue by ossec-remoted).

Rincian

Terbit di NVD

30 Januari 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-193: Off-by-one Error
CWE-787: Out-of-bounds Write

EPSS (30 hari)

2,7% peluang dieksploitasi; lebih tinggi dari 85,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.ossec.net/ advisory vendor
• https://github.com/ossec/ossec-hids/issues/1816 exploit · advisory pihak ketiga
• https://github.com/ossec/ossec-hids/issues/1821 advisory pihak ketiga
• https://security.gentoo.org/glsa/202007-33 advisory pihak ketiga