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Ubuntu.comUB:CVE-2023-37303

HistoryJun 30, 2023 - 12:00 a.m.

CVE-2023-37303

2023-06-3000:00:00

ubuntu.com

mediawiki

checkuser

dbquerydisconnectederror

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

42.3%

JSON

An issue was discovered in the CheckUser extension for MediaWiki through
1.39.3. In certain situations, an attempt to block a user fails after a
temporary browser hang and a DBQueryDisconnectedError error message.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchmediawiki< anyUNKNOWN
ubuntu20.04noarchmediawiki< anyUNKNOWN
ubuntu22.04noarchmediawiki< anyUNKNOWN
ubuntu23.10noarchmediawiki< anyUNKNOWN
ubuntu24.04noarchmediawiki< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	mediawiki	< any	UNKNOWN
ubuntu	20.04	noarch	mediawiki	< any	UNKNOWN
ubuntu	22.04	noarch	mediawiki	< any	UNKNOWN
ubuntu	23.10	noarch	mediawiki	< any	UNKNOWN
ubuntu	24.04	noarch	mediawiki	< any	UNKNOWN

References

gerrit.wikimedia.org/r/q/I10a9273c542576b3f7bb38de68dcd2aa41cfb1b0

launchpad.net/bugs/cve/CVE-2023-37303

nvd.nist.gov/vuln/detail/CVE-2023-37303

phabricator.wikimedia.org/T338276

security-tracker.debian.org/tracker/CVE-2023-37303

www.cve.org/CVERecord?id=CVE-2023-37303

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

42.3%

JSON

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