PT-2017-13468 · D Link · D-Link Dir-850L

Pierre Kim · Published 2017-09-13 · Updated 2023-11-17 · CVE-2017-14424

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions D-Link DIR-850L REV. A versions through FW114WWb07 h2ab beta1 D-Link DIR-850L REV. B versions through FW208WWb02

Description The issue is related to the permissions of the /var/passwd file, which has 0666 permissions. This could potentially allow unauthorized access to sensitive information.

Recommendations For D-Link DIR-850L REV. A versions through FW114WWb07 h2ab beta1, update the firmware to a version that fixes the permissions issue. For D-Link DIR-850L REV. B versions through FW208WWb02, update the firmware to a version that fixes the permissions issue. As a temporary workaround, consider changing the permissions of the /var/passwd file to a more secure setting until a patch is available.

Exploit

Fix

Incorrect Default Permissions

Weakness Enumeration

CWE-276

Related Identifiers

CVE-2017-14424

Affected Products

D-Link Dir-850L

References · 3

• 🔥 https://pierrekim.github.io/blog/2017-09-08-dlink-850l-mydlink-cloud-0days-vulnerabilities.html · Exploit
• https://osv.dev/vulnerability/CVE-2017-14424 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-14424 · Security Note