miniupnpc through 2.3.3 contains a one-byte heap out-of-bounds read vulnerability in the minixml parseatt function that allows malicious UPnP gateways to read past buffer bounds via crafted replies. Attackers on the local network can spoof a gateway serving device descriptions or SOAP responses ending in '=' to crash the client.
Attack Parameters
Attack Vector
Adjacent
Requires local network access
Attack Complexity
High
Difficult to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Miniupnp_Project Miniupnpc
cpe:2.3:a:miniupnp_project:miniupnpc:*:*:*:*:*:*:*:*
|
— |
<= 2.3.3
|
References 5
https://github.com/miniupnp/miniupnp
disclosure@vulncheck.com
https://github.com/miniupnp/miniupnp/blob/bf4215a7574f88aa55859db9db00e3ae58cf4…
disclosure@vulncheck.com
https://github.com/miniupnp/miniupnp/commit/3cfb4fb78d5ac04ed0dadc8dd842fc9e448…
disclosure@vulncheck.com
https://hackmd.io/@haind-pwn/miniupnpc-minixml-oob-read
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/miniupnpc-through-2.3.3-heap-out-of-bounds…
disclosure@vulncheck.com