PT-2017-2835 · Cisco · Cisco Dpc3939

Chris Grayson + 2 · Published 2017-07-30 · Updated 2019-10-03 · CVE-2017-9483

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

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

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

Description The issue is related to insufficient access control to the Network Processor Linux system, allowing remote attackers to obtain root access to the Application Processor Linux system. This can be achieved by using shell metacharacters in commands.

Recommendations For Cisco DPC3939 version dpc3939-P20-18-v303r20421746-170221a-CMCST, consider restricting access to the Network Processor Linux system to minimize the risk of exploitation. Avoid using shell metacharacters in commands until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

OS Command Injection

Weakness Enumeration

CWE-78

CWE-264

Related Identifiers

BDU:2017-02115

CVE-2017-9483

Affected Products

Cisco Dpc3939

References · 4

• 🔥 https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-26.arbitrary-command-execution.txt · Exploit
• https://bdu.fstec.ru/vul/2017-02115 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2017-9483 · Security Note
• https://osv.dev/vulnerability/CVE-2017-9483 · Vendor Advisory