PT-2017-18952 · Cisco · Cisco Dpc3939

Chris Grayson + 2 · Published 2017-07-31 · Updated 2017-08-02 · CVE-2017-9480

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco DPC3939 version dpc3939-P20-18-v303r20421746-170221a-CMCST

Description The issue allows local users with command access to read arbitrary files via UPnP access to the /var/IGD/ directory. This can be exploited by users who have gained command access as a result of previous exploitation.

Recommendations For Cisco DPC3939 version dpc3939-P20-18-v303r20421746-170221a-CMCST, consider restricting access to the /var/IGD/ directory to minimize the risk of exploitation. As a temporary workaround, disabling UPnP access until a patch is available can help mitigate the issue.

Exploit

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2017-9480

Affected Products

Cisco Dpc3939

References · 3

• 🔥 https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-23.upnp-directory-write.txt · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2017-9480 · Security Note
• https://osv.dev/vulnerability/CVE-2017-9480 · Vendor Advisory