#VU738 Insecure library loading in Snort - CVE-2016-1417

Vulnerability identifier: #VU738

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-1417

CWE-ID: CWE-427

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Snort
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Sourcefire

Description

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

The vulnerability exists due to absence of validation of search path when loading DLL files. A remote attacker can place malicious 'tcapi.dll' DLL file on the SBM or WebDav share and trick the victim to load a pcap file from that location.

Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.

Mitigation
Cybersecurity Help is not aware of any official solution to address this vulnerability.

Vulnerable software versions

Snort: 2.9.7.0

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External links
https://hyp3rlinx.altervista.org/advisories/SNORT-DLL-HIJACK.txt

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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