Microsoft - NTLM Hash Disclosure Spoofing (library-ms)

# Exploit title: Microsoft - NTLM Hash Disclosure Spoofing (library-ms)
# Exploit Author: John Page (aka hyp3rlinx)
#  x.com/hyp3rlinx
# ISR: ApparitionSec

Back in 2018, I reported a ".library-ms" File NTLM information disclosure vulnerability to MSRC and was told "it was not severe enough", that being said I post it anyways.
Seven years passed, until other researchers re-reported it.

Subsequently this security flaw was finally deemed important by Microsoft and it received CVE-2025-24054, for which I was finally retroactively credited as the original reporter.

Circa 2025 updated:
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24054

[References]
https://web.archive.org/web/20190106181024/https://hyp3rlinx.altervista.org/advisories/MICROSOFT-WINDOWS-.LIBRARY-MS-FILETYPE-INFORMATION-DISCLOSURE.txt
https://packetstorm.news/files/id/148556/
https://cxsecurity.com/issue/WLB-2018070160

[Network Access]
Remote

[Original Disclosure Timeline]
Vendor Notification:  Jun 29, 2018
MSRC Response:   Jul 12, 2018  "risk is not severe enough to justify immediate servicing."
July 14, 2018 : Public Disclosure


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hyp3rlinx