Hackers Exploiting 5-year-old Unpatched Vulnerability in TBK DVR Devices

Danger actors are actively exploiting an unpatched 5-12 months-old flaw impacting TBK digital video recording (DVR) gadgets, in accordance to an advisory issued by Fortinet FortiGuard Labs.

The vulnerability in problem is CVE-2018-9995 (CVSS rating: 9.8), a critical authentication bypass issue that could be exploited by remote actors to get elevated permissions.

“The 5-calendar year-outdated vulnerability (CVE-2018-9995) is because of to an error when dealing with a maliciously crafted HTTP cookie,” Fortinet stated in an outbreak warn on Might 1, 2023. “A distant attacker may be in a position to exploit this flaw to bypass authentication and obtain administrative privileges eventually main entry to digicam video clip feeds.”

The network security firm mentioned it observed more than 50,000 tries to exploit TBK DVR equipment utilizing the flaw in the month of April 2023. Regardless of the availability of a evidence-of-concept (PoC) exploit, there are no fixes that address the vulnerability.

The flaw impacts TBK DVR4104 and DVR4216 products traces, which are also rebranded and sold utilizing the names CeNova, DVR Login, HVR Login, MDVR Login, Night time OWL, Novo, QSee, Pulnix, Securus, and XVR 5 in 1.

Furthermore, Fortinet warned of a surge in the exploitation of CVE-2016-20016 (CVSS rating: 9.8), an additional critical vulnerability impacting MVPower CCTV DVR styles, such as Tv set-7104HE 1.8.4 115215B9 and Television7108HE.

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The flaw could allow a remote unauthenticated attacker to execute arbitrary running procedure instructions as root owing to the existence of a web shell that is obtainable over a /shell URI.

“With tens of 1000’s of TBK DVRs obtainable beneath diverse models, publicly-available PoC code, and an simple-to-exploit would make this vulnerability an quick concentrate on for attackers,” Fortinet famous. “The new spike in IPS detections displays that network digital camera equipment keep on being a preferred target for attackers.”

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Some parts of this article are sourced from:
thehackernews.com