Red Hat Enterprise Linux 9 update for osbuild-composer

1) Resource exhaustion

EUVDB-ID: #VU97216

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-34156

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to encoding/gob does not properly control consumption of internal resources when calling Decoder.Decode. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Note, this vulnerability is related to #VU66068 (CVE-2024-34156).

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for ARM 64: 9

Red Hat Enterprise Linux for Power, little endian: 9

Red Hat Enterprise Linux for IBM z Systems: 9

Red Hat Enterprise Linux for x86_64: 9

osbuild-composer (Red Hat package): before 101-2.el9_4

CPE2.3

• cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_arm_64:9:*:*:*:*:red_hat_enterprise_linux:*:
• cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_power_little_endian:9:*:*:*:*:red_hat_enterprise_linux:*:
• cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_ibm_z_systems:9:*:*:*:*:red_hat_enterprise_linux:*:
• cpe:2.3:o:red_hat:red_hat_enterprise_linux:9:*:*:*:*:*:*:

External links

http://access.redhat.com/errata/RHSA-2024:7204

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.