CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.5 | $0-$5k | 0.00 |
A vulnerability was found in Snort 2.9.7.0-WIN32. It has been rated as critical. This issue affects an unknown code in the library tcapi.dll of the component Library Handler. The manipulation with an unknown input leads to a untrusted search path vulnerability. Using CWE to declare the problem leads to CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. Impacted is confidentiality, integrity, and availability.
The weakness was released 09/29/2016 by John Page (hyp3rlinx) as SNORT-DLL-HIJACK.txt as not defined advisory (Website). It is possible to read the advisory at hyp3rlinx.altervista.org. The identification of this vulnerability is CVE-2016-1417 since 01/04/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1574 according to MITRE ATT&CK.
A public exploit has been developed by John Page (hyp3rlinx) in ANSI C and been published immediately after the advisory. The exploit is available at hyp3rlinx.altervista.org. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 161 days. During that time the estimated underground price was around $0-$5k. The code used by the exploit is:
#include <windows.h> //gcc -c tcapi.c //gcc -shared -o tcapi.dll tcapi.o BOOL APIENTRY DllMain(HINSTANCE hInst, DWORD reason, LPVOID reserved){ switch (reason) { case DLL_PROCESS_ATTACH: MessageBox(NULL, "DLL Hijacking", "Done!", MB_OK); break; } return 0; }
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.8VulDB Meta Temp Score: 8.5
VulDB Base Score: 8.8
VulDB Temp Score: 8.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Untrusted search pathCWE: CWE-426
ATT&CK: T1574
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: John Page (hyp3rlinx)
Programming Language: 🔍
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Exploit Delay Time: 🔍
Timeline
01/04/2016 🔍04/21/2016 🔍
09/29/2016 🔍
09/29/2016 🔍
09/30/2016 🔍
10/04/2016 🔍
10/05/2016 🔍
01/23/2017 🔍
09/22/2022 🔍
Sources
Advisory: SNORT-DLL-HIJACK.txtResearcher: John Page (hyp3rlinx)
Status: Not defined
CVE: CVE-2016-1417 (🔍)
SecurityTracker: 1036936
SecurityFocus: 93269 - Snort CVE-2016-1417 DLL Loading Remote Code Execution Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 10/05/2016 11:15Updated: 09/22/2022 11:21
Changes: 10/05/2016 11:15 (64), 05/02/2019 07:48 (11), 09/22/2022 11:21 (3)
Complete: 🔍
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