CVE-2020-11080

Katalog CVE

CVSS 7.5 · High EPSS 5,3%

Kerentanan Improper Neutralization pada nghttp2, debian linux +8 lainnya. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

In nghttp2 before version 1.41.0, the overly large HTTP/2 SETTINGS frame payload causes denial of service. The proof of concept attack involves a malicious client constructing a SETTINGS frame with a length of 14,400 bytes (2400 individual settings entries) over and over again. The attack causes the CPU to spike at 100%. nghttp2 v1.41.0 fixes this vulnerability. There is a workaround to this vulnerability. Implement nghttp2_on_frame_recv_callback callback, and if received frame is SETTINGS frame and the number of settings entries are large (e.g., > 32), then drop the connection.

Rincian

Terbit di NVD

3 Juni 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-707: Improper Neutralization
CWE-400: Uncontrolled Resource Consumption

EPSS (30 hari)

5,3% peluang dieksploitasi; lebih tinggi dari 92,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/nghttp2/nghttp2/commit/336a98feb0d56b9ac54e12736b18785c27f75090 patch · advisory pihak ketiga
• https://github.com/nghttp2/nghttp2/commit/f8da73bd042f810f34d19f9eae02b46d870af394 patch · advisory pihak ketiga
• https://github.com/nghttp2/nghttp2/security/advisories/GHSA-q5wr-xfw9-q7xr patch · advisory pihak ketiga
• https://www.oracle.com/security-alerts/cpuapr2022.html patch · advisory pihak ketiga
• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00024.html mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/10/msg00011.html mailing list · advisory pihak ketiga
• https://www.debian.org/security/2020/dsa-4696 advisory pihak ketiga
• https://www.oracle.com//security-alerts/cpujul2021.html not applicable · advisory pihak ketiga
• https://www.oracle.com/security-alerts/cpujan2021.html advisory pihak ketiga
• https://www.oracle.com/security-alerts/cpujul2020.html advisory pihak ketiga
• https://www.oracle.com/security-alerts/cpuoct2020.html advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2023/10/msg00023.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLX...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AAC2AA36OTRHK...