Privilege escalation in Cisco Adaptive Security Appliance and Firepower Threat Defense

1) OS Command Injection

EUVDB-ID: #VU88979

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-20358

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 escalate privileges on the system.

The vulnerability exists due to improper validation of a backup file contents when restoring the system. A local user can pass a specially crafted file and execute arbitrary OS commands with root privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Adaptive Security Appliance (ASA): before 9.20.2.10

Cisco Firepower Threat Defense (FTD): before 9.20.2.10

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-cmd-inj-ZJV8Wysm
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCwi90040

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.