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CVE-2019-0197

Published: August 31, 2023Last modified: August 31, 2023

Description

A vulnerability was found in Apache HTTP Server 2.4.34 to 2.4.38. When HTTP/2 was enabled for a http: host or H2Upgrade was enabled for h2 on a https: host, an Upgrade request from http/1.1 to http/2 that was not the first request on a connection could lead to a misconfiguration and crash. Server that never enabled the h2 protocol or that only enabled it for https: and did not set "H2Upgrade on" are unaffected by this issue.

Severity score breakdown

ParameterValue
Base score4.2
Attack VectorNETWORK
Attack complexityHIGH
Privileges requiredLOW
User interactionNONE
ScopeUNCHANGED
ConfidentialityNONE
Integrity impactLOW
Availability impactLOW
VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L

Status

ProductReleasePackageStatus
Alpaquita Linux23 LTSapache2Not affected (2.4.57-r0)
Streamapache2Not affected (2.4.57-r3)

References

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