CVE-2017-2992: Adobe Flash Player versions 24.0.0.194 and earlier have an exploitable heap overflow vulnerability when parsing an MP4 header. Successful exploitation could…

PriorityP266high8.8CVSS 3.1

AVNACLPRNUIRSUCHIHAH

EXPLOIT

EPSS

32.68%

98.2th percentile

Adobe Flash Player versions 24.0.0.194 and earlier have an exploitable heap overflow vulnerability when parsing an MP4 header. Successful exploitation could lead to arbitrary code execution.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
adobe	flash_player	<= 24.0.0.194	—
adobe	flash_player_desktop_runtime	<= 24.0.0.194	—

Detection & IOCsextracted from sources · hover to see the quote

urlhttp://127.0.0.1/LoadMP4.swf?file=unsigned.mp4↗

urlhttps://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/41420.zip↗

filenameLoadMP4.swf↗

filenameunsigned.mp4↗

→Monitor for Flash Player (version <= 24.0.0.194) loading MP4 files via SWF, particularly SWF files passing an MP4 filename as a query parameter (e.g., ?file=*.mp4), which is the PoC delivery pattern for this heap overflow. ↗
→The vulnerability is triggered during MP4 AMF header parsing in Adobe Flash Player; inspect MP4 files delivered to Flash for malformed or oversized AMF metadata headers. ↗
→Flag or block flash-plugin package on Red Hat Enterprise Linux 5 systems, as Red Hat has marked this as 'Will not fix', leaving those systems permanently exposed. ↗

·The PoC reproduction URL uses localhost (127.0.0.1); in real-world exploitation the SWF and MP4 would be hosted on an attacker-controlled server, so the IP/domain in the URL will differ. ↗
·Affected versions are Adobe Flash Player 24.0.0.194 and earlier; detections should be scoped to this version ceiling. ↗

CVSS provenance

nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

nvdv2.09.3CRITICALAV:N/AC:M/Au:N/C:C/I:C/A:C

osv8.8HIGH

vendor_redhat8.8HIGH

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