Junos OS: MX Series: uncontrolled recursion and crash in Broadband Edge subscriber management daemon (bbe-smgd).
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
216.1 before 16.1R7-S1, 16.2 before 16.2R2-S7, 17.1 before 17.1R2-S10/17.1R3, 17.2 before 17.2R3, 17.3 before 17.3R3-S1, 17.4 before 17.4R2, 18.1 before 18.1R3, 18.2 before 18.2R2+ 1 more
- (no CPE)range: 16.1 before 16.1R7-S1, 16.2 before 16.2R2-S7, 17.1 before 17.1R2-S10/17.1R3, 17.2 before 17.2R3, 17.3 before 17.3R3-S1, 17.4 before 17.4R2, 18.1 before 18.1R3, 18.2 before 18.2R2
- (no CPE)range: 16.1
Patches
Vulnerability mechanics
References
4- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RMKFSHPMOZL7MDWU5RYOTIBTRWSZ4Z6X/mitrevendor-advisoryx_refsource_FEDORA
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W7CPKBW4QZ4VIY4UXIUVUSHRJ4R2FROE/mitrevendor-advisoryx_refsource_FEDORA
- www.securityfocus.com/bid/106541mitrevdb-entryx_refsource_BID
- kb.juniper.net/JSA10900mitrex_refsource_CONFIRM
News mentions
0No linked articles in our index yet.