CVE-2015-3887

high
Published 2017-09-21 · Modified 2026-05-13
CVSS v3
7.8
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2
7.2
VIR risk
7.8

Description

Untrusted search path vulnerability in ProxyChains-NG before 4.9 allows local users to gain privileges via a Trojan horse libproxychains4.so library in the current working directory, which is referenced in the LD_PRELOAD path.

Predictions

Exploit likelihood
75%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/rofl0r/proxychains-ng/issues/60

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/rofl0r/proxychains-ng/commit/9ab7dbeb3baff67a51d0c5e71465c453be0890b5#diff-803c5170888b8642f2a97e5e9423d399

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/rofl0r/proxychains-ng/blob/v4.9/README#L56

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://bugzilla.redhat.com/show_bug.cgi?id=1147013

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://www.openwall.com/lists/oss-security/2015/05/13/11

Application impact

VendorProductVersionsFixed
proxychains-ng_projectproxychains-ng{"endIncluding":"4.8.1"}

References

CWEs

CWE-426

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