CVE-2018-0056
Summary
| CVE | CVE-2018-0056 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2018-10-10 18:29:00 UTC |
| Updated | 2019-10-09 23:31:00 UTC |
| Description | If a duplicate MAC address is learned by two different interfaces on an MX Series device, the MAC address learning function correctly flaps between the interfaces. However, the Layer 2 Address Learning Daemon (L2ALD) daemon might crash when attempting to delete the duplicate MAC address when the particular entry is not found in the internal MAC address table. This issue only occurs on MX Series devices with l2-backhaul VPN configured. No other products or platforms are affected by this issue. Affected releases are Juniper Networks Junos OS: 15.1 versions prior to 15.1R7-S1 on MX Series; 16.1 versions prior to 16.1R4-S12, 16.1R6-S6 on MX Series; 16.2 versions prior to 16.2R2-S7 on MX Series; 17.1 versions prior to 17.1R2-S9 on MX Series; 17.2 versions prior to 17.2R1-S7, 17.2R2-S6 on MX Series; 17.3 versions prior to 17.3R2-S4, 17.3R3-S1 on MX Series; 17.4 versions prior to 17.4R1-S5 on MX Series; 18.1 versions prior to 18.1R2 on MX Series. |
Risk And Classification
Problem Types: CWE-20
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Juniper | Junos | 15.1 | All | All | All |
| Operating System | Juniper | Junos | 15.1 | f2 | All | All |
| Operating System | Juniper | Junos | 15.1 | f3 | All | All |
| Operating System | Juniper | Junos | 15.1 | f4 | All | All |
| Operating System | Juniper | Junos | 15.1 | f5 | All | All |
| Operating System | Juniper | Junos | 15.1 | f6 | All | All |
| Operating System | Juniper | Junos | 15.1 | r1 | All | All |
| Operating System | Juniper | Junos | 15.1 | r2 | All | All |
| Operating System | Juniper | Junos | 15.1 | r3 | All | All |
| Operating System | Juniper | Junos | 15.1 | r4 | All | All |
| Operating System | Juniper | Junos | 15.1 | r5 | All | All |
| Operating System | Juniper | Junos | 15.1 | r6 | All | All |
| Operating System | Juniper | Junos | 16.1 | All | All | All |
| Operating System | Juniper | Junos | 16.1 | r1 | All | All |
| Operating System | Juniper | Junos | 16.1 | r2 | All | All |
| Operating System | Juniper | Junos | 16.1 | r3 | All | All |
| Operating System | Juniper | Junos | 16.2 | All | All | All |
| Operating System | Juniper | Junos | 16.2 | r1 | All | All |
| Operating System | Juniper | Junos | 17.1 | All | All | All |
| Operating System | Juniper | Junos | 17.1 | r1 | All | All |
| Operating System | Juniper | Junos | 17.2 | All | All | All |
| Operating System | Juniper | Junos | 17.3 | All | All | All |
| Operating System | Juniper | Junos | 17.3 | r1 | All | All |
| Operating System | Juniper | Junos | 17.4 | All | All | All |
| Operating System | Juniper | Junos | 17.4 | r1 | All | All |
| Operating System | Juniper | Junos | 18.1 | All | All | All |
| Operating System | Juniper | Junos | 18.1 | r1 | All | All |
| Operating System | Juniper | Junos | 15.1 | All | All | All |
| Operating System | Juniper | Junos | 15.1 | f2 | All | All |
| Operating System | Juniper | Junos | 15.1 | f3 | All | All |
| Operating System | Juniper | Junos | 15.1 | f4 | All | All |
| Operating System | Juniper | Junos | 15.1 | f5 | All | All |
| Operating System | Juniper | Junos | 15.1 | f6 | All | All |
| Operating System | Juniper | Junos | 15.1 | r1 | All | All |
| Operating System | Juniper | Junos | 15.1 | r2 | All | All |
| Operating System | Juniper | Junos | 15.1 | r3 | All | All |
| Operating System | Juniper | Junos | 15.1 | r4 | All | All |
| Operating System | Juniper | Junos | 15.1 | r5 | All | All |
| Operating System | Juniper | Junos | 15.1 | r6 | All | All |
| Operating System | Juniper | Junos | 16.1 | All | All | All |
| Operating System | Juniper | Junos | 16.1 | r1 | All | All |
| Operating System | Juniper | Junos | 16.1 | r2 | All | All |
| Operating System | Juniper | Junos | 16.1 | r3 | All | All |
| Operating System | Juniper | Junos | 16.2 | All | All | All |
| Operating System | Juniper | Junos | 16.2 | r1 | All | All |
| Operating System | Juniper | Junos | 17.1 | All | All | All |
| Operating System | Juniper | Junos | 17.1 | r1 | All | All |
| Operating System | Juniper | Junos | 17.2 | All | All | All |
| Operating System | Juniper | Junos | 17.3 | All | All | All |
| Operating System | Juniper | Junos | 17.3 | r1 | All | All |
| Operating System | Juniper | Junos | 17.4 | All | All | All |
| Operating System | Juniper | Junos | 17.4 | r1 | All | All |
| Operating System | Juniper | Junos | 18.1 | All | All | All |
| Operating System | Juniper | Junos | 18.1 | r1 | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Juniper Junos MX Series 'l2-backhaul VPN' Lets Remote Users Deny Service - SecurityTracker | SECTRACK | www.securitytracker.com | Third Party Advisory, VDB Entry |
| 2018-10 Security Bulletin: MX Series: L2ALD daemon may crash if a duplicate MAC is learned by two different interfaces (CVE-2018-0056) - Juniper Networks | CONFIRM | kb.juniper.net | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.