SB2023051840 - Multiple vulnerabilities in Cisco Identity Services Engine

Description

This security bulletin contains information about 3 vulnerabilities.

1) Improper Authorization (CVE-ID: CVE-2023-20106)

CWE-ID: CWE-285 - Improper Authorization

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to bypass the authorization mechanisms.

The vulnerability exists due to the lack of server-side validation of Administrator permissions. A remote user can send a specially crafted HTTP request and download or delete certain files.

2) Input validation error (CVE-ID: CVE-2023-20171)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to delete arbitrary files on the system.

The vulnerability exists due to insufficient validation of user-supplied input. A remote user can delete specific files that their configured administrative level should not have access to.

3) Information disclosure (CVE-ID: CVE-2023-20172)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote administrator can send a specially crafted HTTP request and read arbitrary files on the system.

Remediation

Install update from vendor's website.

References

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-file-delete-read-PK5ghDDd