Multiple vulnerabilities in TONNET TAT-76 and TAT-77 series of products
| Risk | High |
| Patch available | NO |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2020-3923 CVE-2020-3924 |
| CWE-ID | CWE-284 CWE-77 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
TAT-77104G1 Hardware solutions / Other hardware appliances TAT-70432N Hardware solutions / Other hardware appliances TAT-71416G1 Hardware solutions / Other hardware appliances TAT-71832G1 Hardware solutions / Other hardware appliances TAT-76104G3 Hardware solutions / Other hardware appliances TAT-76108G3 Hardware solutions / Other hardware appliances TAT-76116G3 Hardware solutions / Other hardware appliances TAT-76132G3 Hardware solutions / Other hardware appliances |
| Vendor | Tonnet |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Improper access control
EUVDB-ID: #VU25769
Risk: High
CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]
CVE-ID: CVE-2020-3923
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to misconfigured authentication mechanism in DVR firmware. A remote attacker can bypass implemented security restrictions and gain unauthorized access to the application.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsTAT-77104G1: 20190107
TAT-70432N: 20181225
TAT-71416G1: 20181225
TAT-71832G1: 20190510
TAT-76104G3: 76104G3
TAT-76108G3: 76208G3
TAT-76116G3: 76216G3
TAT-76132G3: 20181221-1
External linkshttp://tvn.twcert.org.tw/taiwanvn/TVN-201910003
http://www.chtsecurity.com/news/4ef5eb3a-fdc3-4d78-8dd7-ec7213e2bbcf
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.
2) Command Injection
EUVDB-ID: #VU25770
Risk: High
CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]
CVE-ID: CVE-2020-3924
CWE-ID:
CWE-77 - Command injection
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary commands on the system.
The vulnerability exists due to the DVR firmware does not properly verify patch files. A remote attacker can inject a specific command into a patch file and gain access to the system. MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsTAT-77104G1: 20190107
TAT-70432N: 20181225
TAT-71416G1: 20181225
TAT-71832G1: 20190510
TAT-76104G3: 76104G3
TAT-76108G3: 76208G3
TAT-76116G3: 76216G3
TAT-76132G3: 20181221-1
External linkshttp://tvn.twcert.org.tw/taiwanvn/TVN-201910004
http://www.chtsecurity.com/news/4ef5eb3a-fdc3-4d78-8dd7-ec7213e2bbcf
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.
