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Advisories

gix-fs before 0.24.1 NTLM Credential Disclosure via Windows Symlink UNC Probe

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Severity
high
Date
Affecting

  • gitoxide >= 0, < 0.24.1

CWE
  • CWE-59 Improper Link Resolution Before File Access ('Link Following')
CVSS
7.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Credit
manus-pi, manus-use
Description
gix-fs in gitoxide before 0.24.1 contains a credential disclosure vulnerability that allows remote attackers to capture NTLM credentials by supplying UNC symlink targets in a crafted repository. When a victim checks out the repository on Windows with symlinks enabled, gix_fs::symlink::create calls is_dir() on the UNC target, triggering SMB authentication that leaks the username, domain, and NTLMv2 hash.

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