Red Hat Enterprise Linux 8 update for fence-agents



Published: 2023-11-08 | Updated: 2024-04-19
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2023-37920
CVE-2023-43804
CWE-ID CWE-345
CWE-200
Exploitation vector Network
Public exploit Public exploit code for vulnerability #2 is available.
Vulnerable software
Subscribe
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Operating systems & Components / Operating system package or component

fence-agents (Red Hat package)
Operating systems & Components / Operating system package or component

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Insufficient verification of data authenticity

EUVDB-ID: #VU79296

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-37920

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exist due to software recognizes "e-Tugra" root certificates, which were subject to an investigation prompted by reporting of security issues in their systems. An attacker with ability to generate certificates signed with the  compromised "e-Tugra" root certificate can perform MitM attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.1

fence-agents (Red Hat package): before 4.2.1-30.el8_1.10

External links

http://access.redhat.com/errata/RHSA-2023:6812


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Information disclosure

EUVDB-ID: #VU81322

Risk: Low

CVSSv3.1: 3.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2023-43804

CWE-ID: CWE-200 - Information exposure

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to urllib does not strip the "Cookie" HTTP header during cross-origin HTTP redirects. A remote attacker can gain unauthorized access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.1

fence-agents (Red Hat package): before 4.2.1-30.el8_1.10

External links

http://access.redhat.com/errata/RHSA-2023:6812


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



###SIDEBAR###