A weakness has been identified in Cesanta Mongoose up to 7.20. The impacted element is the function mg_sendnsreq of the file /src/dns.c of the component DNS Transaction ID Handler. Executing a manipulation of the argument random can lead to insufficiently random values.
The attack can be launched remotely. The attack requires a high level of complexity. The exploitability is regarded as difficult.
The exploit has been made available to the public and could be used for attacks. 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/mg_sendnsreq.md
cna@vuldb.com
https://github.com/dwBruijn/CVEs/blob/main/Mongoose/mg_sendnsreq.md#poc
cna@vuldb.com
https://vuldb.com/?ctiid.347333
cna@vuldb.com
https://vuldb.com/?id.347333
cna@vuldb.com
https://vuldb.com/?submit.755304
cna@vuldb.com