New Delhi: If you have received an MP4 video file on WhatsApp from an unknown number, you could be a victim of a new kind of hacking which uses a recently discovered vulnerability of WhatsApp to install malicious spywares in phones.

This security vulnerability allowed a remote attacker to target phones by sending a video file in MP4 format.

When notified about the security breach, the Indian Computer Emergency Response Team (CERT) categorised the threat under "High Severity" category.

Pegasus-like features

Israel-based spyware maker NSO Group was under spotlight recently for allegedly providing technology [Pegasus spyware] that used WhatsApp's video calling feature to attack user's phones.

A security message notified by WhatsApp's parent company Facebook said, "A stack-based buffer overflow could be triggered in WhatsApp by sending a specially crafted MP4 file to a WhatsApp user."

Identified as CVE-2019-11931, this vulnerability message is similar to the one received by CERT from WhatsApp during the Pegasus snooping case.

According to the communication, this weakness could allow a remote attacker to force "Denial of Services (DoS) and Remote Code Execution (RCE)" which could be used to compromise any device running Android, iOS or Windows.

An attacker could use a person's cell number to send a video file through WhatsApp and install an unwanted program in their phones exploiting such vulnerability.

This security issue exists on both individual and business versions of the popular messaging app until the updates were rolled out in October earlier this year.

Although the latest security patch from WhatsApp claims to have fixed this problem, WhatsApp and Facebook have not given further details about the extent of possible execution of this exploit.

This comes even as the controversy around WhatsApp snooping refuses to die down, where phones of over a dozen activists, journalists and lawyers were allegedly compromised by an Israel-made spyware.

WhatsApp has been under fire for not providing adequate information to Indian authorities about the extent of attacks during Pegasus breach. The messaging app has sued NSO Group in a US court for violating its terms and conditions.

Government sources had earlier claimed that the information provided by WhatsApp is more of a "technical jargon" which didn't give much information about victims and extent of such attacks. WhatsApp had informed users separately about possible Pegasus attack on their devices.

Similar to the Pegasus incident, this vulnerability is also being called "a stack-based buffer overflow vulnerability".

According to CERT, "The exploitation does not require any form of authentication from the victim end and executes on downloading of malicious mp4 file on victims system."

Courtesy: www.indiatoday.in

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New Delhi (PTI): A 32-year-old food delivery executive was stabbed to death when he allegedly intervened in a violent altercation between two groups in southwest Delhi's Dwarka, police said on Monday.

The deceased has been identified as Govind Jha, a resident of Mohan Garden.

Three others sustained stab injuries in the incident and are currently undergoing treatment at a hospital, they said.

Authorities also cautioned against attempts to give the incident a communal colour.

According to the police, Jha was on his way to work on Sunday night when he noticed a street fight taking place at Rajapuri in Madhu Vihar area of Dwarka. The altercation involved two men pitted against three others, who were later identified as Parvesh, Anish and Rohit.

"Jha stopped at the spot and attempted to intervene. During the scuffle, the two men allegedly pulled out knives and began stabbing Parvesh, Anish and Rohit. When Jha tried to intervene, he was also attacked," a police officer said.

All four injured persons were rushed to a nearby hospital, where Jha succumbed to his injuries during treatment. The other three men are under medical observation.

Police said the accused fled the spot after the incident, and multiple teams have been formed to identify and apprehend them.

Meanwhile, Deputy Commissioner of Police (Dwarka) Kushal Pal Singh, in a statement, said that some messages circulating on social media are attempting to give a communal angle to the incident.

"In the incident, four people suffered stab injuries and were admitted to the hospital. One person died at the hospital, and the remaining three are undergoing treatment. The victims belong to two different communities. The accused stabbed all four victims. Dwarka Police is conducting a search for the accused," the DCP said.

"There is no communal angle to the incident. Strict action will be taken against those spreading false information," he said.