CVE-2017-6729 Denial of service in Cisco StarOS
Unauthenticated remote attackers can cause a denial of service by triggering a BGP process reload on Cisco StarOS systems with BGP enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-6729?
CVE-2017-6729 is a high-severity denial of service vulnerability in Cisco StarOS, published on 10 Jul 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the Border Gateway Protocol (BGP) processing functionality of the Cisco StarOS operating system for Cisco ASR 5000 Series Routers and Cisco Virtualized Packet Core (VPC) Software could allow an unauthenticated, remote attacker to cause the BGP process on an affected system to reload, resulting in a denial of service (DoS) condition. This vulnerability affects the following products if they are running the Cisco StarOS operating system and BGP is enabled for the system: Cisco ASR 5000 Series Routers and Cisco Virtualized Packet Core Software. More Information: CSCvc44968. Known Affected Releases: 16.4.1 19.1.0 21.1.0 21.1.M0.65824. Known Fixed Releases: 21.3.A0.65902 21.2.A0.65905 21.1.b0.66164 21.1.V0.66014 21.1.R0.65898 21.1.M0.65894 21.1.0.66030 21.1.0.
Which versions are affected by CVE-2017-6729?
It affects 1 product.
Products include Cisco Asr 5000 Software.
How do I fix CVE-2017-6729?
No fix has been published for CVE-2017-6729 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2017-6729 being exploited?
There is no known exploitation of CVE-2017-6729 in the wild and no public exploit code.
Other vulnerabilities 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-2017-6775 Privilege escalation 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-65jx-wrpg-m8qj.