CVE-2014-0734 in Unified Communications Manager
Summary
by MITRE
SQL injection vulnerability in the Certificate Authority Proxy Function (CAPF) implementation in Cisco Unified Communications Manager (Unified CM) 10.0(1) and earlier allows remote attackers to execute arbitrary SQL commands via a crafted URL, aka Bug ID CSCum46483.
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Analysis
by VulDB Data Team • 03/30/2019
The vulnerability identified as CVE-2014-0734 represents a critical SQL injection flaw within Cisco Unified Communications Manager's Certificate Authority Proxy Function implementation. This security weakness affects Cisco Unified CM versions 10.0(1) and earlier, creating a significant attack surface that enables remote threat actors to manipulate database operations through carefully crafted URL inputs. The CAPF component serves as a crucial interface for certificate management within the unified communications framework, making this vulnerability particularly dangerous as it could potentially compromise the entire certificate infrastructure used for securing communications.
The technical exploitation of this vulnerability occurs through manipulation of URL parameters that are processed by the CAPF module without proper input validation or sanitization. When a malicious user crafts a specially designed URL containing SQL payload sequences, the vulnerable code fails to properly escape or filter these inputs before incorporating them into database queries. This lack of input sanitization creates a direct pathway for attackers to inject arbitrary SQL commands that execute within the context of the database connection, potentially allowing full database access and manipulation capabilities.
From an operational impact perspective, successful exploitation of this vulnerability could enable attackers to extract sensitive information from the database, including user credentials, certificate details, and communication metadata that forms the backbone of unified communications security. The attack vector remains particularly concerning as it requires no authentication to initiate, making it a remote code execution vulnerability that could be exploited by any internet-facing system. This flaw could lead to complete compromise of the unified communications infrastructure, potentially enabling man-in-the-middle attacks, unauthorized certificate issuance, and broader network infiltration through compromised communication channels.
Organizations affected by this vulnerability should immediately implement mitigations including applying the relevant Cisco security patches and updates, implementing network segmentation to limit access to the CAPF interface, and monitoring for suspicious URL patterns in web access logs. The vulnerability aligns with CWE-89, which specifically addresses SQL injection weaknesses, and represents a clear violation of secure coding practices that should prevent direct user input from being incorporated into database queries without proper sanitization. From an ATT&CK framework perspective, this vulnerability maps to techniques involving command and control communications and credential access, as attackers could leverage the compromised system to establish persistent access and extract sensitive authentication materials for broader network exploitation.