A vulnerability was detected in Cesanta Mongoose up to 7.20. This impacts the function mg_chacha20_poly1305_decrypt of the file /src/tls_chacha20.c of the component Poly1305 Authentication Tag Handler. The manipulation results in improper verification of cryptographic signature.
The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is said to be difficult.
The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Cesanta Mongoose
cpe:2.3:a:cesanta:mongoose:*:*:*:*:*:*:*:*
|
— |
<= 7.20
|
References 5
https://github.com/dwBruijn/CVEs/blob/main/Mongoose/ChaCha20Poly1305.md
cna@vuldb.com
https://github.com/dwBruijn/CVEs/blob/main/Mongoose/ChaCha20Poly1305.md#poc
cna@vuldb.com
https://vuldb.com/?ctiid.347335
cna@vuldb.com
https://vuldb.com/?id.347335
cna@vuldb.com
https://vuldb.com/?submit.757091
cna@vuldb.com