fapolicyd Regular Expression file access

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in fapolicyd. This affects an unknown function of the component Regular Expression Handler. This manipulation causes file access. This vulnerability appears as CVE-2022-1117. There is no available exploit. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as problematic was found in fapolicyd (affected version unknown). Affected by this vulnerability is an unknown functionality of the component Regular Expression Handler. The manipulation with an unknown input leads to a file access vulnerability. The CWE definition for the vulnerability is CWE-552. The product makes files or directories accessible to unauthorized actors, even though they should not be. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability was found in fapolicyd. The vulnerability occurs due to an assumption on how glibc names the runtime linker, a build time regular expression may not correctly detect the runtime linker. The consequence is that the pattern detection for applications launched by the run time linker may fail to detect the pattern and allow execution.

The weakness was presented 08/29/2022 as 38a942613f93824c53164730b2b7a2f75b8cd263. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2022-1117 since 03/28/2022. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1083 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 211040 (Fedora 37 : fapolicyd (2022-55d07e80b7)), which helps to determine the existence of the flaw in a target environment.

Applying the patch 38a942613f93824c53164730b2b7a2f75b8cd263 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (211040). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.4
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: File access
CWE: CWE-552 / CWE-425
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 211040
Nessus Name: Fedora 37 : fapolicyd (2022-55d07e80b7)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 38a942613f93824c53164730b2b7a2f75b8cd263

Timelineinfo

03/28/2022 🔍
08/29/2022 +154 days 🔍
08/29/2022 +0 days 🔍
11/17/2024 +811 days 🔍

Sourcesinfo

Advisory: 38a942613f93824c53164730b2b7a2f75b8cd263
Status: Confirmed

CVE: CVE-2022-1117 (🔍)
GCVE (CVE): GCVE-0-2022-1117
GCVE (VulDB): GCVE-100-207523

Entryinfo

Created: 08/29/2022 21:41
Updated: 11/17/2024 18:31
Changes: 08/29/2022 21:41 (40), 10/09/2022 14:09 (11), 11/17/2024 18:31 (16)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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