CVE-2020-11080

CWE-707CWE-400 — Uncontrolled Resource ConsumptionCWE-770 — Allocation without Limits19 documents9 sources
Severity
7.5HIGH
EPSS
0.7%
top 27.05%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
10
Nghttp2 Nghttp2Nodejs Node.jsOracle Blockchain Platform+7 more
Timeline
PublishedJun 3
Latest updateJun 6

Description

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…

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 2.2 | Impact: 1.4

Affected Packages11 packages

▶CVEListV5nghttp2/nghttp2< 1.41.0
▶NVDnghttp2/nghttp2< 1.41.0
▶Debiannghttp2< 1.41.0-1+3
▶NVDnodejs/node.js10.13.0 — 10.21.0+4

Also affects: Debian Linux 10.0, 9.0, Fedora 31, 33

Patches

Patch: github.com ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
OSV
CVE-2020-11080: In nghttp2 before version 1↗2020-06-03
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CVEList
Denial of service in nghttp2↗2020-06-03
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📋Vendor Advisories

7
Ubuntu
nghttp2 vulnerability↗2023-06-06
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Oracle
Oracle Oracle Communications Risk Matrix: System (nghttp2) — CVE-2020-11080↗2021-01-15
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Oracle
Oracle Oracle Communications Risk Matrix: System (http2) — CVE-2020-11080↗2020-10-15
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Oracle
Oracle Oracle GraalVM Risk Matrix: JavaScript (Node.js) — CVE-2020-11080↗2020-07-15
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Microsoft
Denial of service in nghttp2↗2020-06-09
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💬Community

9
Bugzilla
CVE-2020-11080 nodejs:12/nghttp2: overly large SETTINGS frames can lead to DoS [fedora-all]↗2020-06-16
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Bugzilla
CVE-2020-11080 nodejs:11/nghttp2: overly large SETTINGS frames can lead to DoS [fedora-all]↗2020-06-16
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Bugzilla
CVE-2020-11080 nodejs:10/nghttp2: overly large SETTINGS frames can lead to DoS [fedora-all]↗2020-06-16
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Bugzilla
CVE-2020-11080 nodejs:13/nghttp2: overly large SETTINGS frames can lead to DoS [fedora-all]↗2020-06-16
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Bugzilla
CVE-2020-11080 nodejs:14/nghttp2: overly large SETTINGS frames can lead to DoS [fedora-all]↗2020-06-16
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