mandb up to 2.8.4 on Gentoo /usr/bin/mandb incorrect execution-assigned permissions

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

A vulnerability was found in mandb up to 2.8.4 on Gentoo and classified as critical. Affected by this issue is some unknown processing of the file /usr/bin/mandb. The manipulation with an unknown input leads to a incorrect execution-assigned permissions vulnerability. Using CWE to declare the problem leads to CWE-279. While it is executing, the software sets the permissions of an object in a way that violates the intended permissions that have been specified by the user. Impacted is confidentiality, integrity, and availability. CVE summarizes:

man-db before 2.8.5 on Gentoo allows local users (with access to the man user account) to gain root privileges because /usr/bin/mandb is executed by root but not owned by root. (Also, the owner can strip the setuid and setgid bits.)

The weakness was published 01/27/2023. The advisory is available at bugs.gentoo.org. This vulnerability is handled as CVE-2018-25078 since 01/25/2023. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1222 by the MITRE ATT&CK project.

Upgrading to version 2.8.5 eliminates this vulnerability.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Incorrect execution-assigned permissions
CWE: CWE-279 / CWE-266
ATT&CK: T1222

Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: mandb 2.8.5

Timelineinfo

01/25/2023 CVE reserved
01/27/2023 +2 days Advisory disclosed
01/27/2023 +0 days VulDB entry created
02/20/2023 +24 days VulDB last update

Sourcesinfo

Advisory: bugs.gentoo.org
Status: Confirmed

CVE: CVE-2018-25078 (🔒)

Entryinfo

Created: 01/27/2023 10:31 AM
Updated: 02/20/2023 10:30 AM
Changes: 01/27/2023 10:31 AM (39), 02/20/2023 10:30 AM (10)
Complete: 🔍

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