CVE-2012-5377

medium

Published 2012-10-11 · Modified 2026-04-29

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

7.0

Description

Untrusted search path vulnerability in the installation functionality in ActivePerl 5.16.1.1601, when installed in the top-level C:\ directory, allows local users to gain privileges via a Trojan horse DLL in the C:\Perl\Site\bin directory, which is added to the PATH system environment variable, as demonstrated by a Trojan horse wlbsctrl.dll file used by the "IKE and AuthIP IPsec Keying Modules" system service in Windows Vista SP1, Windows Server 2008 SP2, Windows 7 SP1, and Windows 8 Release Preview.

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-28130 local windows verified

Metasploit · 2013-09-06

IKE and AuthIP IPsec Keyring Modules Service (IKEEXT) - Missing DLL (Metasploit)

Source code queued for fetch — refresh in a moment.

Application impact

Vendor	Product	Versions	Fixed
activestate	activeperl	`5.16.1.1601`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.