Red Hat Enterprise Linux update for sudo

1) OS Command Injection

EUVDB-ID: #VU74197

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-28487

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation when processing control characters in the sudoreplay output. A local user can inject specially crafted characters to the log messages and execute arbitrary OS commands on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server - AUS: 8.6 - 9.2

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6 - 9.2

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6 - 9.2

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6 - 9.2

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6 - 9.2

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 8.6 - 9.2

Red Hat Enterprise Linux for ARM 64: 8 - 9

Red Hat Enterprise Linux for Power, little endian: 8 - 9

Red Hat Enterprise Linux for IBM z Systems: 8 - 9

Red Hat Enterprise Linux Server - TUS: 8.6

Red Hat Enterprise Linux for x86_64: 8.0 - 9

sudo (Red Hat package): before 1.9.5p2-10.el9_3

External links

http://access.redhat.com/errata/RHSA-2024:0811

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

2) OS Command Injection

EUVDB-ID: #VU74196

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-28486

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation when processing control characters in the log messages. A local user can inject specially crafted characters to the log messages and execute arbtirary OS commands on the system when the command is executed from the log (e.g. via the "sudoreplay -l").

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server - AUS: 8.6 - 9.2

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6 - 9.2

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6 - 9.2

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6 - 9.2

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6 - 9.2

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 8.6 - 9.2

Red Hat Enterprise Linux for ARM 64: 8 - 9

Red Hat Enterprise Linux for Power, little endian: 8 - 9

Red Hat Enterprise Linux for IBM z Systems: 8 - 9

Red Hat Enterprise Linux Server - TUS: 8.6

Red Hat Enterprise Linux for x86_64: 8.0 - 9

sudo (Red Hat package): before 1.9.5p2-10.el9_3

External links

http://access.redhat.com/errata/RHSA-2024:0811

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

3) Improper Authentication

EUVDB-ID: #VU85764

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-42465

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a local user to bypass authentication process.

The vulnerability exists due to insufficient resistance to rowhammer attacks. A local user can bypass authentication process and gain unauthorized access to the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server - AUS: 8.6 - 9.2

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6 - 9.2

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6 - 9.2

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6 - 9.2

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6 - 9.2

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 8.6 - 9.2

Red Hat Enterprise Linux for ARM 64: 8 - 9

Red Hat Enterprise Linux for Power, little endian: 8 - 9

Red Hat Enterprise Linux for IBM z Systems: 8 - 9

Red Hat Enterprise Linux Server - TUS: 8.6

Red Hat Enterprise Linux for x86_64: 8.0 - 9

sudo (Red Hat package): before 1.9.5p2-10.el9_3

External links

http://access.redhat.com/errata/RHSA-2024:0811

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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