SB2018030912 - Multiple vulnerabilities in Cisco Secure Access Control
Published: March 9, 2018 Updated: March 10, 2018
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Command injection (CVE-ID: CVE-2018-0147)
CWE-ID: CWE-77 - Command injection
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear
The vulnerability allows a remote attacker to execute arbitrary commands on the target system.
The weakness exists in Java deserialization due to insecure deserialization of user-supplied content. A remote attacker can send a specially crafted serialized Java object and execute arbitrary commands on the device with root privileges.
2) XXE attack (CVE-ID: CVE-2018-0218)
CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to conduct XXE attack.
The weakness exists in the web-based user interface due to improper handling of XML External Entities (XXEs) when parsing an XML file. A remote attacker can trick the administrator of an affected system to import a crafted XML file, perform XXE attack and read arbitrary data.
3) XXE attack (CVE-ID: CVE-2018-0207)
CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to conduct XXE attack.
The weakness exists in the web-based user interface due to improper handling of XML External Entities (XXEs) when parsing an XML file. A remote attacker can trick the administrator of an affected system to import a crafted XML file, perform XXE attack and read arbitrary data.
Remediation
Install update from vendor's website.