DNS attack in mitmproxy



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-14505
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 mitmproxy
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor Python.org

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) DNS attack

EUVDB-ID: #VU14310

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-14505

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to conduct DNS attack.

The weakness exists due to insufficient protection against DNS rebinding in the mitmweb interface. A remote attacker can create a specially crafted website, set the scripts config option, gain access to the sniffed data or run arbitrary Python scripts on the filesystem to manipulate DNS information.

Mitigation

Update to version 4.0.4.

Vulnerable software versions

mitmproxy: 4.0.3

CPE2.3 External links

https://github.com/mitmproxy/mitmproxy/issues/3234


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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