Cisco Secure Client posture module allows local privilege escalation
Original title: Cisco Secure Client Secure Firewall Posture Module Privilege Escalation Vulnerability
An authenticated local user can send crafted IPC messages and gain limited SYSTEM or root file writes.
Cisco says the Secure Firewall Posture module in Cisco Secure Client insufficiently validates input on its interprocess communication channel. An authenticated local attacker can send crafted messages to a local socket and perform limited filesystem writes with SYSTEM or root privileges. Windows, macOS, and Linux are affected. The provided text does not name a CVE, fixed version, or exploitation status.
Unconfirmed: The advisory snippet is cut off and does not state versions, fixes, or exploitation.
- The flaw is insufficient validation of user-supplied IPC input.
- Exploitation uses a series of crafted messages to a local socket.
- A successful attack is limited to file write operations.
- The snippet ends before stating fixes or a CVE.
Impact: Limited file writes as SYSTEM or root
| Product | Affected |
|---|---|
| Cisco Secure Client Secure Firewall Posture module | — |
- Vendors
- Cisco
From the original article
A vulnerability in the interprocess communication (IPC) channel of the Secure Firewall Posture module in Cisco Secure Client could allow an authenticated, local attacker to elevate privileges on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a series of crafted IPC messages to a local socket.
sec.cloudapps.cisco.com
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