VDB-122442 · CVE-2018-14533 · EDB-ID 45089

Inteno iopsys /tmp/etc/smb.conf read_tmp/write_tmp access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Inteno iopsys. Affected by this issue is the function read_tmp/write_tmp of the file /tmp/etc/smb.conf. The manipulation results in access control. This vulnerability is reported as CVE-2018-14533. The attack requires a local approach. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in Inteno iopsys (unknown version). It has been classified as problematic. Affected is the function read_tmp/write_tmp of the file /tmp/etc/smb.conf. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

read_tmp and write_tmp in Inteno IOPSYS allow attackers to gain privileges after writing to /tmp/etc/smb.conf because /var is a symlink to /tmp.

The bug was discovered 07/25/2018. The weakness was disclosed 07/31/2018 as EDB-ID 45089 as not defined exploit (Exploit-DB). The advisory is available at exploit-db.com. This vulnerability is traded as CVE-2018-14533 since 07/23/2018. Local access is required to approach this attack. The requirement for exploitation is a authentication. Technical details and a public exploit are known. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

After immediately, there has been an exploit disclosed. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (45089). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Inteno

Name

iopsys

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
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Timelineinfo

07/23/2018 🔍
07/25/2018 +2 days 🔍
07/31/2018 +5 days 🔍
07/31/2018 +0 days 🔍
07/31/2018 +0 days 🔍
07/31/2018 +0 days 🔍
08/01/2018 +1 days 🔍
12/04/2024 +2317 days 🔍