Cybersecurity analysts have recently discovered a vulnerability in a common printer driver used by major manufacturers like HP, Xerox, and Samsung.
This occurrence was alerted by the security experts of SentinelOne security firm, and they have tracked this vulnerability with the following CVE ID:-
They have claimed that since 2005 which means for 16 years this flaw has been hidden in the common printer driver of the major global brands like HP, Xerox, and Samsung.
It seems that the printer-related problems that are falling in 2021 are far more dangerous and quite unexpected.
Apart from this, the cybersecurity experts have affirmed that the CVE-2021-3438 is a buffer overflow vulnerability that is present in the print driver SSPORT.SYS file.
The vulnerability CVE-2021-3438 has existed since 2005 and that’s why it affects hundreds of millions of devices and users worldwide. And by exploiting this flaw an attacker can gain elevated privileges on the affected system.
The experts explained that with the printer software the vulnerable driver gets installed automatically, and after the installation, whenever the Windows will restart it will be loaded.
In short, this simple regular mechanism will allow the bug to become more vulnerable and exploitable since this will allow an attacker to attack the vulnerable devices when they are not even connected to the system.
This whole thing could lead an attacker to take complete control of the affected computer. Since, the experts have concluded that taking advantage of the vulnerability in the driver was not very difficult, and didn’t require user intervention.
If an attacker managed to gain basic permissions then it could be scaled to System, and even allow the attacker to run code in the kernel. And this will lead the attacker to evade the security tools and security mechanisms of the OS.
Things that an attacker will be able to do after successful exploitation:-
While if we talk about the affected devices, then specifically more than 380 different HP and Samsung printers are affected, and 12 Xerox devices are affected by this flaw.
Affected devices of HP and Samsung (Full list).
Affected devices of Xerox:-
After the discovery of PrintNightmare vulnerability, several cybersecurity researchers become alerted and decided to take a closer look at Windows printing APIs; and as a result, they ended up finding more vulnerabilities.
However, this vulnerability has now been fixed, and the security researchers have strongly urged both enterprises and consumers to apply the security patch immediately from the manufacturer’s website.
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