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Cisco Patches Hard-coded Password in PCP Software

Cisco this week announced the availability of software updates to address a hard-coded password vulnerability in Cisco Prime Collaboration Provisioning (PCP) Software.

Cisco this week announced the availability of software updates to address a hard-coded password vulnerability in Cisco Prime Collaboration Provisioning (PCP) Software.

Due to the existence of the hard-coded account password, an unauthenticated, local attacker could log into the underlying Linux operating system. The vulnerability can be abused to connect to the affected system via Secure Shell (SSH) using the hard-coded credentials.

According to Cisco, an attacker successfully exploiting the vulnerability could access the underlying operating system as a low-privileged user. However, the attacker could elevate privileges to root and take full control of the vulnerable system.

Because of the privilege escalation possibility, the vulnerability has a Security Impact Rating (SIR) of Critical, although it was also assessed with a Common Vulnerability Scoring System (CVSS) Base score of 5.9, which would normally come with a SIR of Medium.

The vulnerability impacts Cisco PCP Software release 11.6 only and no prior builds were found to be affected by it, Cisco notes in an advisory. Impacted customers should update to Cisco PCP releases 12.1 and later, as no workarounds that address this vulnerability exist.

The company also notes that it is not aware of “any public announcements or malicious use of the vulnerability.”

This week, the company also addressed CVE-2018-0147, a Critical (CVSS base score of 9.8) vulnerability in Java deserialization used by Cisco Secure Access Control System (ACS), which could allow an unauthenticated, remote attacker to execute arbitrary commands on an affected device.

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“The vulnerability is due to insecure deserialization of user-supplied content by the affected software. An attacker could exploit this vulnerability by sending a crafted serialized Java object. An exploit could allow the attacker to execute arbitrary commands on the device with root privileges,” Cisco explains.

The company also addressed a High risk (CVSS base score of 7.3) bug in the FTP server of the Cisco Web Security Appliance (WSA). Due to incorrect FTP user credential validation, an unauthenticated, remote attacker could exploit the bug to log into the server without a valid password or username.

This security issue affects Cisco AsyncOS for WSA Software running any release of Cisco AsyncOS 10.5.1 for WSA Software. Cisco AsyncOS 10.5.2-042 or later releases address the flaw.

Multiple Medium severity bugs were addressed in other Cisco products.

Related: Cisco Patches Serious DoS, Injection Flaws in Several Products

Related: Cisco Fixes Severe Flaws in Prime Collaboration Product

Written By

Ionut Arghire is an international correspondent for SecurityWeek.

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