TBK DVR4104/DVR4216 credentials management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
8.2$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in TBK DVR4104 and DVR4216. This issue affects some unknown processing. Such manipulation leads to credentials management. This vulnerability is listed as CVE-2018-9995. The attack may be performed from remote. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in TBK DVR4104 and DVR4216 (unknown version) and classified as critical. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a credentials management vulnerability. Using CWE to declare the problem leads to CWE-255. Impacted is confidentiality, integrity, and availability. CVE summarizes:

TBK DVR4104 and DVR4216 devices allow remote attackers to bypass authentication via a "Cookie: uid=admin" header, as demonstrated by a device.rsp?opt=user&cmd=list request that provides credentials within JSON data in a response.

The bug was discovered 04/09/2018. The weakness was presented 04/10/2018 (Website). The advisory is shared for download at misteralfa-hack.blogspot.cl. This vulnerability is handled as CVE-2018-9995 since 04/10/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1552.

The exploit is available 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 1 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11993 (Multiple DVR Products Authentication Bypass Vulnerability).

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 (44577). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

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CPE 2.3info

CPE 2.2info

Video

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Credentials management
CWE: CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 57829
OpenVAS Name: Multiple DVR Products Authentication Bypass Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/09/2018 🔍
04/10/2018 +1 days 🔍
04/10/2018 +0 days 🔍
04/10/2018 +0 days 🔍
04/11/2018 +1 days 🔍
08/13/2024 +2316 days 🔍

Sourcesinfo

Advisory: misteralfa-hack.blogspot.cl
Status: Not defined

CVE: CVE-2018-9995 (🔍)
GCVE (CVE): GCVE-0-2018-9995
GCVE (VulDB): GCVE-100-115988
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/11/2018 09:21
Updated: 08/13/2024 21:30
Changes: 04/11/2018 09:21 (63), 02/04/2020 18:00 (4), 08/13/2024 21:30 (18)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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