CVE-2016-4925 JUNOSe: Line Card Reset: processor exception 0x68616c74 (halt) task: scheduler, upon receipt of crafted IPv6 packet
A remote attacker can cause a denial of service on Juniper E Series routers by sending malformed IPv6 packets, requiring IPv6 to be 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-2016-4925?
CVE-2016-4925 is a high-severity denial of service vulnerability in Juniper Networks JunosE, published on 13 Oct 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Receipt of a specifically malformed IPv6 packet processed by the router may trigger a line card reset: processor exception 0x68616c74 (halt) in task: scheduler. The line card will reboot and recover without user interaction. However, additional specifically malformed packets may cause follow-on line card resets and lead to an extended service outage. This issue only affects E Series routers with IPv6 licensed and enabled. Routers not configured to process IPv6 traffic are unaffected by this vulnerability. Juniper SIRT is not aware of any malicious exploitation of this vulnerability. No other Juniper Networks products or platforms are affected by this issue.
Weakness: CWE-19
Which versions are affected by CVE-2016-4925?
It affects 1 product.
Products include Juniper Junose.
How do I fix CVE-2016-4925?
No fix has been published for CVE-2016-4925 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-2016-4925 being exploited?
There is no known exploitation of CVE-2016-4925 in the wild and no public exploit code.
Other vulnerabilities in Juniper Networks JunosE
Sources
Also known as GHSA-f525-2g8w-9hwv.