Remote code execution in InPage

1) Buffer overflow

EUVDB-ID: #VU1188

Risk: Critical

CVSSv4.0: 7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2017-12824

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists within text processor when parsing .inp files. A remote attacker can create a specially crafted .inp file, trick the victim to open it and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of this vulnerability may result in full system compromise.

Note: this vulnerability is being actively exploited in the wild against financial institutions in Asia. The latest attack report is dated November 3, 2017.

Mitigation

Install update from vendor's website. Reportedly, version 3.6.0 fixes the vulnerability.

Vulnerable software versions

InPage: 2009 - 2016

CPE2.3

• cpe:2.3:a:concept_software_private_limited:inpage:2009:*:*:*:*:*:*:*
• cpe:2.3:a:concept_software_private_limited:inpage:2014:*:*:*:*:*:*:*
• cpe:2.3:a:concept_software_private_limited:inpage:2015:*:*:*:*:*:*:*

External links

https://securelist.com/blog/research/76717/inpage-zero-day-exploit-used-to-attack-financial-institutions-in-asia/
https://researchcenter.paloaltonetworks.com/2017/11/unit42-recent-inpage-exploits-lead-multiple-malw...

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.