CVE-2016-4921
Summary
| CVE | CVE-2016-4921 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2017-10-13 17:29:00 UTC |
| Updated | 2019-10-09 23:18:00 UTC |
| Description | By flooding a Juniper Networks router running Junos OS with specially crafted IPv6 traffic, all available resources can be consumed, leading to the inability to store next hop information for legitimate traffic. In extreme cases, the crafted IPv6 traffic may result in a total resource exhaustion and kernel panic. The issue is triggered by traffic destined to the router. Transit traffic does not trigger the vulnerability. This issue only affects devices with IPv6 enabled and configured. Devices not configured to process IPv6 traffic are unaffected by this vulnerability. This issue was found during internal product security testing. Juniper SIRT is not aware of any malicious exploitation of this vulnerability. Affected releases are Juniper Networks Junos OS 11.4 prior to 11.4R13-S3; 12.3 prior to 12.3R3-S4; 12.3X48 prior to 12.3X48-D30; 13.3 prior to 13.3R10, 13.3R4-S11; 14.1 prior to 14.1R2-S8, 14.1R4-S12, 14.1R8; 14.1X53 prior to 14.1X53-D28, 14.1X53-D40; 14.1X55 prior to 14.1X55-D35; 14.2 prior to 14.2R3-S10, 14.2R4-S7, 14.2R6; 15.1 prior to 15.1F2-S5, 15.1F5-S2, 15.1F6, 15.1R3; 15.1X49 prior to 15.1X49-D40; 15.1X53 prior to 15.1X53-D57, 15.1X53-D70. |
Risk And Classification
Problem Types: CWE-399
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Juniper | Junos | 11.4 | All | All | All |
| Operating System | Juniper | Junos | 11.4 | r1 | All | All |
| Operating System | Juniper | Junos | 11.4 | r10 | All | All |
| Operating System | Juniper | Junos | 11.4 | r11 | All | All |
| Operating System | Juniper | Junos | 11.4 | r12 | All | All |
| Operating System | Juniper | Junos | 11.4 | r2 | All | All |
| Operating System | Juniper | Junos | 11.4 | r3 | All | All |
| Operating System | Juniper | Junos | 11.4 | r4 | All | All |
| Operating System | Juniper | Junos | 11.4 | r5 | All | All |
| Operating System | Juniper | Junos | 11.4 | r6 | All | All |
| Operating System | Juniper | Junos | 11.4 | r7 | All | All |
| Operating System | Juniper | Junos | 11.4 | r8 | All | All |
| Operating System | Juniper | Junos | 11.4 | r9 | All | All |
| Operating System | Juniper | Junos | 11.4r13 | s2 | All | All |
| Operating System | Juniper | Junos | 12.3 | All | All | All |
| Operating System | Juniper | Junos | 12.3 | r1 | All | All |
| Operating System | Juniper | Junos | 12.3 | r2 | All | All |
| Operating System | Juniper | Junos | 12.3 | r3 | All | All |
| Operating System | Juniper | Junos | 12.3x48 | d10 | All | All |
| Operating System | Juniper | Junos | 12.3x48 | d15 | All | All |
| Operating System | Juniper | Junos | 12.3x48 | d25 | All | All |
| Operating System | Juniper | Junos | 13.3 | All | All | All |
| Operating System | Juniper | Junos | 13.3 | r1 | All | All |
| Operating System | Juniper | Junos | 13.3 | r2 | All | All |
| Operating System | Juniper | Junos | 13.3 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 13.3 | r3 | All | All |
| Operating System | Juniper | Junos | 13.3 | r4 | All | All |
| Operating System | Juniper | Junos | 13.3 | r4-s11 | All | All |
| Operating System | Juniper | Junos | 13.3 | r5 | All | All |
| Operating System | Juniper | Junos | 13.3 | r6 | All | All |
| Operating System | Juniper | Junos | 13.3 | r7 | All | All |
| Operating System | Juniper | Junos | 13.3 | r8 | All | All |
| Operating System | Juniper | Junos | 13.3 | r9 | All | All |
| Operating System | Juniper | Junos | 14.1 | All | All | All |
| Operating System | Juniper | Junos | 14.1 | r1 | All | All |
| Operating System | Juniper | Junos | 14.1 | r2 | All | All |
| Operating System | Juniper | Junos | 14.1 | r4 | All | All |
| Operating System | Juniper | Junos | 14.1 | r8 | All | All |
| Operating System | Juniper | Junos | 14.1x53 | d15 | All | All |
| Operating System | Juniper | Junos | 14.1x53 | d16 | All | All |
| Operating System | Juniper | Junos | 14.1x53 | d25 | All | All |
| Operating System | Juniper | Junos | 14.1x53 | d26 | All | All |
| Operating System | Juniper | Junos | 14.1x53 | d27 | All | All |
| Operating System | Juniper | Junos | 14.1x53 | d40 | All | All |
| Operating System | Juniper | Junos | 14.1x55 | All | All | All |
| Operating System | Juniper | Junos | 14.1x55 | d30 | All | All |
| Operating System | Juniper | Junos | 14.2 | r1 | All | All |
| Operating System | Juniper | Junos | 14.2 | r2 | All | All |
| Operating System | Juniper | Junos | 14.2 | r3 | All | All |
| Operating System | Juniper | Junos | 14.2 | r4 | All | All |
| Operating System | Juniper | Junos | 14.2 | r6 | All | All |
| Operating System | Juniper | Junos | 15.1 | f1 | All | All |
| Operating System | Juniper | Junos | 15.1 | f2 | 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 | r3 | All | All |
| Operating System | Juniper | Junos | 15.1x49 | d10 | All | All |
| Operating System | Juniper | Junos | 15.1x49 | d20 | All | All |
| Operating System | Juniper | Junos | 15.1x49 | d30 | All | All |
| Operating System | Juniper | Junos | 15.1x49 | d35 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d20 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d21 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d25 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d30 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d32 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d33 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d34 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d50 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d51 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d52 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d55 | All | All |
| Operating System | Juniper | Junos | 11.4 | All | All | All |
| Operating System | Juniper | Junos | 11.4 | r1 | All | All |
| Operating System | Juniper | Junos | 11.4 | r10 | All | All |
| Operating System | Juniper | Junos | 11.4 | r11 | All | All |
| Operating System | Juniper | Junos | 11.4 | r12 | All | All |
| Operating System | Juniper | Junos | 11.4 | r2 | All | All |
| Operating System | Juniper | Junos | 11.4 | r3 | All | All |
| Operating System | Juniper | Junos | 11.4 | r4 | All | All |
| Operating System | Juniper | Junos | 11.4 | r5 | All | All |
| Operating System | Juniper | Junos | 11.4 | r6 | All | All |
| Operating System | Juniper | Junos | 11.4 | r7 | All | All |
| Operating System | Juniper | Junos | 11.4 | r8 | All | All |
| Operating System | Juniper | Junos | 11.4 | r9 | All | All |
| Operating System | Juniper | Junos | 11.4r13 | s2 | All | All |
| Operating System | Juniper | Junos | 12.3 | All | All | All |
| Operating System | Juniper | Junos | 12.3 | r1 | All | All |
| Operating System | Juniper | Junos | 12.3 | r2 | All | All |
| Operating System | Juniper | Junos | 12.3 | r3 | All | All |
| Operating System | Juniper | Junos | 12.3x48 | d10 | All | All |
| Operating System | Juniper | Junos | 12.3x48 | d15 | All | All |
| Operating System | Juniper | Junos | 12.3x48 | d25 | All | All |
| Operating System | Juniper | Junos | 13.3 | All | All | All |
| Operating System | Juniper | Junos | 13.3 | r1 | All | All |
| Operating System | Juniper | Junos | 13.3 | r2 | All | All |
| Operating System | Juniper | Junos | 13.3 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 13.3 | r3 | All | All |
| Operating System | Juniper | Junos | 13.3 | r4 | All | All |
| Operating System | Juniper | Junos | 13.3 | r4-s11 | All | All |
| Operating System | Juniper | Junos | 13.3 | r5 | All | All |
| Operating System | Juniper | Junos | 13.3 | r6 | All | All |
| Operating System | Juniper | Junos | 13.3 | r7 | All | All |
| Operating System | Juniper | Junos | 13.3 | r8 | All | All |
| Operating System | Juniper | Junos | 13.3 | r9 | All | All |
| Operating System | Juniper | Junos | 14.1 | All | All | All |
| Operating System | Juniper | Junos | 14.1 | r1 | All | All |
| Operating System | Juniper | Junos | 14.1 | r2 | All | All |
| Operating System | Juniper | Junos | 14.1 | r4 | All | All |
| Operating System | Juniper | Junos | 14.1 | r8 | All | All |
| Operating System | Juniper | Junos | 14.1x53 | d15 | All | All |
| Operating System | Juniper | Junos | 14.1x53 | d16 | All | All |
| Operating System | Juniper | Junos | 14.1x53 | d25 | All | All |
| Operating System | Juniper | Junos | 14.1x53 | d26 | All | All |
| Operating System | Juniper | Junos | 14.1x53 | d27 | All | All |
| Operating System | Juniper | Junos | 14.1x53 | d40 | All | All |
| Operating System | Juniper | Junos | 14.1x55 | All | All | All |
| Operating System | Juniper | Junos | 14.1x55 | d30 | All | All |
| Operating System | Juniper | Junos | 14.2 | r1 | All | All |
| Operating System | Juniper | Junos | 14.2 | r2 | All | All |
| Operating System | Juniper | Junos | 14.2 | r3 | All | All |
| Operating System | Juniper | Junos | 14.2 | r4 | All | All |
| Operating System | Juniper | Junos | 14.2 | r6 | All | All |
| Operating System | Juniper | Junos | 15.1 | f1 | All | All |
| Operating System | Juniper | Junos | 15.1 | f2 | 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 | r3 | All | All |
| Operating System | Juniper | Junos | 15.1x49 | d10 | All | All |
| Operating System | Juniper | Junos | 15.1x49 | d20 | All | All |
| Operating System | Juniper | Junos | 15.1x49 | d30 | All | All |
| Operating System | Juniper | Junos | 15.1x49 | d35 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d20 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d21 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d25 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d30 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d32 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d33 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d34 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d50 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d51 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d52 | All | All |
| Operating System | Juniper | Junos | 15.1x53 | d55 | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Juniper Junos IPv6 Processing Flaw Lets Remote Users Consume Excessive Resources - SecurityTracker | SECTRACK | www.securitytracker.com | Third Party Advisory, VDB Entry |
| 2016-10 Security Bulletin: Junos: IPv6 denial of service vulnerability due to resource exhaustion (CVE-2016-4921) - Juniper Networks | CONFIRM | kb.juniper.net | Vendor Advisory |
| Juniper Junos CVE-2016-4921 Denial of Service Vulnerability | BID | www.securityfocus.com | Third Party Advisory, VDB Entry |
| 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.