CVE-2019-0001 Junos OS: MX Series: uncontrolled recursion and crash in Broadband Edge subscriber management daemon (bbe-smgd).
A malformed packet can cause a crash in the subscriber management daemon on Junos OS devices with dynamic VLAN configuration, leading to denial of service.
- 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-2019-0001?
CVE-2019-0001 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 15 Jan 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Receipt of a malformed packet on MX Series devices with dynamic vlan configuration can trigger an uncontrolled recursion loop in the Broadband Edge subscriber management daemon (bbe-smgd), and lead to high CPU usage and a crash of the bbe-smgd service. Repeated receipt of the same packet can result in an extended denial of service condition for the device. Affected releases are Juniper Networks Junos OS: 16.1 versions prior to 16.1R7-S1; 16.2 versions prior to 16.2R2-S7; 17.1 versions prior to 17.1R2-S10, 17.1R3; 17.2 versions prior to 17.2R3; 17.3 versions prior to 17.3R3-S1; 17.4 versions prior to 17.4R2; 18.1 versions prior to 18.1R3; 18.2 versions prior to 18.2R2.
Weakness: CWE-674
Which versions are affected by CVE-2019-0001?
It affects 2 products.
Products include Fedoraproject Fedora, Juniper Junos.
How do I fix CVE-2019-0001?
No fix has been published for CVE-2019-0001 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-2019-0001 being exploited?
There is no known exploitation of CVE-2019-0001 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as GHSA-ww3g-x39p-r2pw.