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nvd[email protected]NVD:CVE-2020-11080
HistoryJun 03, 2020 - 11:15 p.m.

CVE-2020-11080

2020-06-0323:15:11
CWE-400
CWE-707
[email protected]
web.nvd.nist.gov
3

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

6 Medium

AI Score

Confidence

Low

0.012 Low

EPSS

Percentile

85.5%

JSON

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.

Affected configurations

NVD
Node
nghttp2nghttp2Range<1.41.0
Node
debiandebian_linuxMatch9.0
OR
debiandebian_linuxMatch10.0
Node
opensuseleapMatch15.1
Node
fedoraprojectfedoraMatch31
OR
fedoraprojectfedoraMatch33
Node
oraclebanking_extensibility_workbenchMatch14.3.0
OR
oraclebanking_extensibility_workbenchMatch14.4.0
OR
oracleblockchain_platformRange<21.1.2
OR
oracleenterprise_communications_brokerMatch3.1.0
OR
oracleenterprise_communications_brokerMatch3.2.0
OR
oraclegraalvmMatch19.3.2enterprise
OR
oraclegraalvmMatch20.1.0enterprise
OR
oraclemysqlRange7.3.0–7.3.30
OR
oraclemysqlRange7.4.0–7.4.29
OR
oraclemysqlRange7.5.0–7.5.19
OR
oraclemysqlRange7.6.0–7.6.15
OR
oraclemysqlRange8.0.0–8.0.21
Node
nodejsnode.jsRange10.0.0–10.12.0-
OR
nodejsnode.jsRange10.13.0–10.21.0lts
OR
nodejsnode.jsRange12.0.0–12.12.0-
OR
nodejsnode.jsRange12.13.0–12.18.0lts
OR
nodejsnode.jsRange14.0.0–14.4.0-

References

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5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

6 Medium

AI Score

Confidence

Low

0.012 Low

EPSS

Percentile

85.5%

JSON
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