PT-2017-6705 · Proxychains Ng · Proxychains-Ng

Pranavko · Published 2017-09-21 · Updated 2024-06-15 · CVE-2015-3887

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions ProxyChains-NG versions prior to 4.9

Description The issue 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. This is due to an untrusted search path vulnerability.

Recommendations For versions prior to 4.9, update to version 4.9 or later to resolve the issue. As a temporary workaround, consider restricting access to the LD PRELOAD path to minimize the risk of exploitation.

Fix

Untrusted Search Path

Weakness Enumeration

CWE-426

Related Identifiers

CVE-2015-3887

OPENSUSE-SU-2024:10468-1

Affected Products

Proxychains-Ng

References · 9

• https://github.com/rofl0r/proxychains-ng/commit/9ab7dbeb3baff67a51d0c5e71465c453be0890b5#diff-803c5170888b8642f2a97e5e9423d399 · Patch
• https://github.com/rofl0r/proxychains-ng/issues/60 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2015-3887 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2024:10468-1 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1147013 · Patch
• http://openwall.com/lists/oss-security/2015/05/13/11 · Patch
• https://github.com/rofl0r/proxychains-ng/blob/v4.9/README#L56 · Note
• https://suse.com/security/cve/CVE-2015-3887 · Note
• http://securityfocus.com/bid/74648 · Note