Integer overflow in smartdns



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-42643
CWE-ID CWE-190
Exploitation vector Network
Public exploit N/A
Vulnerable software
 smartdns
Server applications / DNS servers

Vendor Nick Peng

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Integer overflow

EUVDB-ID: #VU105996

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-42643

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow in fast_ping.c. A remote attacker can a specially crafted DNS response to the server, trigger an integer overflow and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

smartdns: 46

CPE2.3 External links

https://github.com/pymumu/smartdns/issues/1779


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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