Tinder's Lack of Encryption Creates Spying Risk

File A Tinder profile on an iPhone 6. Israeli tech firm finds the dating app lacks standard encryption leaving users exposed

File A Tinder profile on an iPhone 6. Israeli tech firm finds the dating app lacks standard encryption leaving users exposed

That's according to security biz Checkmarx this week, which claimed Android and iOS builds of the dating app fail to properly encrypt network traffic, meaning the basic actions of peeps looking to hookup - such as swipes on profiles - could be collected by anyone on the same Wi-Fi or carrying out similar snooping. Other data on Tinder is HTTPS-encrypted but as the research firm has discovered, photos are still streamed unprotected.

"What it allows them to do is see all the images that are sent to and from the device in an open network".

A second vulnerability stems from the way Tinder has deployed encryption, even when HTTPs is used.

"While no credential theft and no immediate financial impact are involved in this process, an attacker targeting a vulnerable user can blackmail the victim, threatening to expose highly private information from the user's Tinder profile and actions in the app", Checkmarx said. If a user likes a profile then he have to swipe right and in case they don't like anyone then they have to swipe left.

Tinder says it knows about the missing encryption. In tests, the researchers were able to discern which is which because the file sizes of the said user operations are not encrypted.

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Security researchers have discovered two disturbing vulnerabilities in Tinder's popular dating app that could let malicious attackers spy on your photos, swipes and matches. No special technique is needed, the attacker just needs to be able to have a packet sniffer to see the data. "The attack is completely invisible because we're not doing anything active", Yalon added.

Checkmarx informed Tinder of these issues back in November, however, the firm is yet to fix the problems. The report features how a malicious attacker can take advantage of these vulnerabilities to cause serious privacy breaches to an unsuspecting user. We employ a network of tools and systems to protect the integrity of our platform. Tinder issued a statement to Wired, saying that they're working towards encrypting images on their app but said nothing about the exposed file sizes.

Tinder does not disclose details about its security tools "to avoid tipping off would-be hackers", a company spokesperson told BuzzFeed News.

According to Checkmarx, Tinder should move all images to HTTPS so they can't be viewed on an insecure HTTP connection. Tinder also said that photos are public information to begin with. After undergoing the responsible disclosure procedure with Tinder's security team, Checkmarx's Security Research Team made a decision to release their research describing two major Tinder vulnerabilities.

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