Red Hat Enterprise Linux systemd-journald journald-server.c dispatch_message_real _CMDLINE= resource management

CVSS Meta Temp Score
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CTI Interest Score
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3.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Red Hat Enterprise Linux. This affects the function dispatch_message_real of the file journald-server.c of the component systemd-journald. Such manipulation of the argument _CMDLINE= leads to resource management. This vulnerability is uniquely identified as CVE-2019-3815. Local access is required to approach this attack. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Red Hat Enterprise Linux (Operating System) (affected version unknown). It has been rated as problematic. Affected by this issue is the function dispatch_message_real of the file journald-server.c of the component systemd-journald. The manipulation of the argument _CMDLINE= with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. CVE summarizes:

A memory leak was discovered in the backport of fixes for CVE-2018-16864 in Red Hat Enterprise Linux. Function dispatch_message_real() in journald-server.c does not free the memory allocated by set_iovec_field_free() to store the `_CMDLINE=` entry. A local attacker may use this flaw to make systemd-journald crash. This issue only affects versions shipped with Red Hat Enterprise since v219-62.2.

The bug was discovered 01/28/2019. The weakness was disclosed 01/28/2019 as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2019-3815 since 01/03/2019. The attack needs to be approached locally. The successful exploitation needs a simple authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 121498 (Oracle Linux 7 : systemd (ELSA-2019-0201)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176641 (Debian Security Update for systemd (DLA 1711-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (121498) and SecurityFocus (BID 106632†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.3
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: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 121498
Nessus Name: Oracle Linux 7 : systemd (ELSA-2019-0201)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

01/03/2019 🔍
01/14/2019 +11 days 🔍
01/28/2019 +14 days 🔍
01/28/2019 +0 days 🔍
01/28/2019 +0 days 🔍
01/29/2019 +1 days 🔍
01/30/2019 +1 days 🔍
01/31/2019 +1 days 🔍
07/03/2023 +1614 days 🔍

Sourcesinfo

Vendor: redhat.com

Advisory: RHSA-2019:0201
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-3815 (🔍)
GCVE (CVE): GCVE-0-2019-3815
GCVE (VulDB): GCVE-100-130292
SecurityFocus: 106632 - systemd-journald CVE-2019-3815 Local Denial of Service Vulnerability

Entryinfo

Created: 01/29/2019 09:45
Updated: 07/03/2023 15:40
Changes: 01/29/2019 09:45 (73), 05/06/2020 14:35 (6), 07/03/2023 15:35 (3), 07/03/2023 15:40 (11)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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