CVE-2017-6775 Privilege escalation in StarOS for ASR 5000 Series Aggregated Services Routers
An authenticated local attacker can elevate privileges to admin by modifying environment variables on Cisco ASR 5000 routers.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-6775?
CVE-2017-6775 is a medium-severity vulnerability in Cisco Systems, Inc. StarOS for ASR 5000 Series Aggregated Services Routers, published on 17 Aug 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in the CLI of Cisco ASR 5000 Series Aggregated Services Routers running the Cisco StarOS operating system could allow an authenticated, local attacker to elevate their privileges to admin-level privileges. The vulnerability is due to incorrect permissions that are given to a set of users. An attacker could exploit this vulnerability by logging in to the shell of an affected device and elevating their privileges by modifying environment variables. An exploit could allow the attacker to gain admin-level privileges and take control of the affected device. Cisco Bug IDs: CSCvd47741. Known Affected Releases: 21.0.v0.65839.
Which versions are affected by CVE-2017-6775?
It affects 1 product.
Products include Cisco Asr 5000 Software.
How do I fix CVE-2017-6775?
No fix has been published for CVE-2017-6775 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-6775 being exploited?
There is no known exploitation of CVE-2017-6775 in the wild and no public exploit code.
Other vulnerabilities in Cisco Systems, Inc. StarOS for ASR 5000 Series Aggregated Services Routers
- CVE-2017-6729 Denial of service in Cisco StarOS
- CVE-2016-6455 Denial of service in Cisco StarOS 18.x through 21.x
- CVE-2016-1436 Denial of service in n/a
- CVE-2017-6773 Command injection in StarOS for ASR 5000 Series Aggregated Services Routers
- CVE-2017-6774 Path traversal in StarOS for ASR 5000 Series Aggregated Services Routers
Sources
Also known as GHSA-8pcf-jvr6-35m9.