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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-26112
HistoryApr 03, 2023 - 5:15 a.m.

CVE-2023-26112

2023-04-0305:15:07
Debian Security Bug Tracker
security-tracker.debian.org
15
configobj
redos
regular expression denial of service
validate function
developer
server side configuration
unix

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

5.4

Confidence

High

EPSS

0.001

Percentile

50.0%

All versions of the package configobj are vulnerable to Regular Expression Denial of Service (ReDoS) via the validate function, using (.+?)((.*)).

Note: This is only exploitable in the case of a developer, putting the offending value in a server side configuration file.

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

5.4

Confidence

High

EPSS

0.001

Percentile

50.0%