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ubuntucveUbuntu.comUB:CVE-2018-1333
HistoryJun 18, 2018 - 12:00 a.m.

CVE-2018-1333

2018-06-1800:00:00
ubuntu.com
ubuntu.com
20

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.067 Low

EPSS

Percentile

93.7%

By specially crafting HTTP/2 requests, workers would be allocated 60
seconds longer than necessary, leading to worker exhaustion and a denial of
service. Fixed in Apache HTTP Server 2.4.34 (Affected
2.4.18-2.4.30,2.4.33).

Bugs

Notes

Author Note
mdeslaur artful and older don’t enable http2 in the build. see CVE-2018-1302 for a whole http2 backport requirement
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchapache2< 2.4.29-1ubuntu4.4UNKNOWN

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.067 Low

EPSS

Percentile

93.7%