The Patching Friars' AlmanacA calendar of CVE saints

Patron of March 4

EvilLoaderHoly card for evilloader, generated with AI (Claude, Anthropic) for the Lunario dei Frati Patchatori.CC BY-NC-SA 4.0 clip.mp4.html EvilLoader VIDEO QUOD NON EST
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Saint EvilLoader, the Video That Wasn't

Patron of disguised attachments, messaging apps, and anyone who taps "open in browser".

Life

On 4 March 2025 researcher 0x6rss described EvilLoader, heir to EvilVideo (CVE-2024-7014). On Telegram for Android an HTML file was shown with the name and look of a video; whoever tried to play it got an error and the suggestion to open it in a browser, where the hidden code sprang into action. According to reports at the time, the exploit was for sale on underground forums.

Prayer

O Saint EvilLoader, who promises a video and delivers a page, teach us to distrust the attachment that insists. Amen.

How to celebrate

Celebrated by keeping Telegram updated, disabling installs from unknown sources, and not opening in a browser the "videos" that ask for it.

A video that asks for the browser is no video at all.

Technical record

Disclosed on
March 4 2025
CVE
CVE-2024-7014
CVSS
7.1
Product
Android · Telegram for Android

EvilVideo vulnerability allows sending malicious apps disguised as videos in Telegram for Android application affecting versions 10.14.4 and older.

Sources: cti.monster

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