Bareos up to 18.1/19.2.11/20.0.5/21.0.x PAM Authentication memory leak

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Bareos up to 18.1/19.2.11/20.0.5/21.0.x and classified as problematic. This vulnerability affects unknown code of the component PAM Authentication Handler. This manipulation causes memory leak. This vulnerability is handled as CVE-2022-24756. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in Bareos up to 18.1/19.2.11/20.0.5/21.0.x. Affected by this vulnerability is an unknown part of the component PAM Authentication Handler. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability.

The weakness was released 03/15/2022 as GHSA-jh55-4wgw-xc9j. The advisory is shared at huntr.dev. This vulnerability is known as CVE-2022-24756 since 02/10/2022. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 18.2, 19.2.12, 20.0.6 or 21.1.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: Bareos 18.2/19.2.12/20.0.6/21.1.0
Patch: github.com

Timelineinfo

02/10/2022 🔍
03/15/2022 +33 days 🔍
03/15/2022 +0 days 🔍
03/18/2022 +3 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-jh55-4wgw-xc9j
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-24756 (🔍)
GCVE (CVE): GCVE-0-2022-24756
GCVE (VulDB): GCVE-100-195121

Entryinfo

Created: 03/15/2022 20:20
Updated: 03/18/2022 11:04
Changes: 03/15/2022 20:20 (51), 03/18/2022 11:04 (1)
Complete: 🔍
Cache ID: 216::103

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