Pacemaker 2.0.1 System Log use after free

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Pacemaker 2.0.1. Affected by this vulnerability is an unknown functionality of the component System Log Handler. The manipulation results in use after free. This vulnerability was named CVE-2019-3885. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as critical has been found in Pacemaker 2.0.1. Affected is an unknown functionality of the component System Log Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A use-after-free flaw was found in pacemaker up to and including version 2.0.1 which could result in certain sensitive information to be leaked via the system logs.

The bug was discovered 04/17/2019. The weakness was presented 04/18/2019 with Red Hat as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2019-3885 since 01/03/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 236643 (Alibaba Cloud Linux 3 : 0004: pacemaker (ALINUX3-SA-2021:0004)), which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197435 (Ubuntu Security Notification for Pacemaker Vulnerabilities (USN-3952-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (236643) and SecurityFocus (BID 108036†). See VDB-133818 and VDB-133817 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 3.3
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236643
Nessus Name: Alibaba Cloud Linux 3 : 0004: pacemaker (ALINUX3-SA-2021:0004)

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

01/03/2019 🔍
04/17/2019 +104 days 🔍
04/17/2019 +0 days 🔍
04/18/2019 +1 days 🔍
04/19/2019 +1 days 🔍
05/19/2025 +2222 days 🔍

Sourcesinfo

Advisory: RHSA-2019:1278
Organization: Red Hat
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-3885 (🔍)
GCVE (CVE): GCVE-0-2019-3885
GCVE (VulDB): GCVE-100-133848
SecurityFocus: 108036 - Pacemaker CVE-2019-3885 Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 04/19/2019 08:10
Updated: 05/19/2025 06:44
Changes: 04/19/2019 08:10 (61), 05/31/2020 09:13 (5), 09/04/2023 20:17 (4), 09/04/2023 20:24 (12), 05/19/2025 06:44 (20)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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