Junos OS: MX Series: uncontrolled recursion and crash in Broadband Edge subscriber management daemon (bbe-smgd).
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 16.1R7-S1, 16.2R2-S7, 17.2R3, 17.3R3-S1, 17.4R2, and 2 more
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
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.
Timeline
- CVE published
- Record last updated
Affected versions
- Juniper Networks Junos OS
From 16.1 · fixed in 16.1R7-S1; From 16.2 · fixed in 16.2R2-S7; From 17.2 · fixed in 17.2R3; From 17.3 · fixed in 17.3R3-S1; From 17.4 · fixed in 17.4R2; From 18.1 · fixed in 18.1R3; From 18.2 · fixed in 18.2R2