Vulnerability Spotlight: Remote code execution vulnerability in Microsoft Media Foundation
Summary: Cisco Talos discovered a remote code execution vulnerability in Microsoft Media Foundation's mfmp4srcsnk.dll, an MPEG4 DLL, caused by a use-after-free condition triggered when a victim opens a specially crafted QuickTime file. Microsoft disclosed the flaw in this month's Patch Tuesday, and Talos worked with Microsoft under its coordinated disclosure policy to resolve it, with Snort rules 51673 through 51680 providing coverage.
Why it matters: Exploitation requires only that a user open a malformed QuickTime file, so the delivery path runs through ordinary email or web traffic rather than anything an attacker must reach directly. The fix exists only for organizations that have applied this month's Patch Tuesday update.
Read the original at Cisco Talos ↗
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