Facebook, Instagram, TikTok and Twitter Target Resellers of Hacked Accounts

Facebook, Instagram, TikTok, and Twitter this week all took steps to crack down on users involved in trafficking hijacked user accounts across their platforms. The coordinated action seized hundreds of accounts the companies say have played a major role in facilitating the trade and often lucrati...

A Coordinated Takedown Targets 'OGUser' Account Thieves

Twitter, Instagram, and TikTok have all taken action against the hacker community in recent days...

TikTok vulnerability allowed hackers to access users’ phone numbers

By Waqas The vulnerability which has now been fixed by TikTok existed in its "Find Friends." This is a post from HackRead.com Read the original post: TikTok vulnerability allowed hackers to access users phone numbers...

TikTok: CSRF on TikTok Ads Portal

A CSRF Cross Site Request Forgery vulnerability was reported in the TikTok Ads portal which could have been used to disable an ad campaign. We thank @probatorem for reporting this to our team...

TikTok Flaw Lay Bare Phone Numbers, User IDs For Phishing Attacks

A vulnerability in the popular TikTok short-form video-sharing platform could have allowed attackers to easily compile users’ phone numbers, unique user IDs and other data ripe for phishing attacks. TikTok, owned by ByteDance, has more than 800 million active users worldwide. The vulnerability,...

TikTok Bug Could Have Exposed Users' Profile Data and Phone Numbers

Cybersecurity researchers on Tuesday disclosed a now-patched security flaw in TikTok that could have potentially enabled an attacker to build a database of the app's users and their associated phone numbers for future malicious activity. Although this flaw only impacts those users who have linked...

TikTok Bug Could Have Exposed Users' Profile Data and Phone Numbers

Cybersecurity researchers on Tuesday disclosed a now-patched security flaw in TikTok that could have potentially enabled an attacker to build a database of the app's users and their associated phone numbers for future malicious activity. Although this flaw only impacts those users who have linked...

A week in security (January 18 – January 24)

Last week on Malwarebytes Labs, we looked at changes to WhatsApp’s privacy policy, we provided information about Malwarebytes being targeted by the same threat actor that was implicated in the SolarWinds breach, we told the story of ZeroLogon, looked at the pros and cons of Zoom watermarking,...

Are TikTok’s new settings enough to keep kids safe?

TikTok, the now widely popular social media platform that allows users to create, share, and discover, amateur short clips—usually something akin to music videos—has been enjoying explosive growth since it appeared in 2017. Since then, it hasn’t stopped growing—more so during the current pandemic...

TikTok: Blocked user can send notification by liking the message due to Logical Bug

A functional bug had the potential to permit a blocked user to send notifications by liking another user's message.We thank @sandipgyawali for reporting this to our team and confirming the resolution...

TikTok Takes Teen Accounts Private

TikTok has decided to boost privacy measures for its underage users, the popular video-sharing social-media company announced. TikTok’s popularity is being driven by teens — the company reported in 2019 about 60 percent of its 26.5 monthly users are between the ages of 16 and 24, and these latest...

TikTok: Lack of rate limitation on careers site allows the attacker to brute force the verification code

An attacker could have potentially attempted to brute force the verification code needed to reset a candidate's password by leveraging a lack of rate limiting on the TikTok careers portal. We thank @iambouali for reporting this to our team and confirming the resolution...

The strangest cybersecurity events of 2020: a look back

This year is finally coming to an end, and it only took us about eight consecutive months of March to get here. There is a ton to talk about, and that’s without even discussing the literal global pandemic. You see, 2020s news stories were the pressure-cooker product of mania, chaos, and the...

TikTok: Blocked user can see live video

A flaw had the potential to cause a user's live videos to be suggested to a blocked user. We thank @sandipgyawali for reporting this to our team and confirming the resolution...

TikTok: HTML Injection through Account Name field on TikTok ads portal being rendered on emails

The Account Name field on the TikTok Ads Portal did not have restrictions on HTML tag injections which an attacker could have potentially used for phishing attacks. We thank @nagli for reporting this to our team and confirming the resolution...

TikTok: Multiple bugs leads to RCE on TikTok for Android

A series of WebView vulnerabilities were found including XSS which could have potentially led an attacker to achieve remote code execution. We thank @dphoeniixx for reporting this to our team and verifying the resolution!...

TikTok: External SSRF and Local File Read via video upload due to vulnerable FFmpeg HLS processing

A local file disclosure vulnerability was found which an attacker could have used to upload a payload file via the TikTok website and potentially exfiltrate arbitrary local system files. We thank @ach for reporting this to our team and confirming the resolution. Summary: FFmpeg is a free and...

Amazon Sues Instagram, TikTok Influencers Over Knockoff Scam

Instagram and TikTok social-media influencers Kelly Fitzpatrick and Sabrina Kelly-Krejci are among 13 defendants in a lawsuit filed by Amazon, which alleges that they participated in an an online scam to sell counterfeit luxury goods. Counterfeit goods are strictly forbidden in the Amazon...

TikTok: RCE on TikTok Ads Portal

The video upload endpoint on the TikTok Ads portal was potentially susceptible to remote code execution RCE due to a ffmpeg misconfiguration. We thank @ bubbounty for reporting this to our team and confirming the resolution. During my research on the TikTok Ads portal I found a RCE thought the...

TikTok: HTML Injection on Company Name on Email

By changing the company name to any HTML code on the TikTok Creator Marketplace, an attacker could potentially use this to send phishing emails to users containing injected HTML payload. We thank @gnux for reporting this to our team and confirming the resolution!...