An Improper Input Validation vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated attacker to cause DoS (Denial of Service). If another router generates more than one specific valid OSPFv3 LSA then rpd will crash while processing these LSAs. This issue only affects systems configured with OSPFv3, while OSPFv2 is not affected. This issue affects: Juniper Networks Junos OS 19.2 versions prior to 19.2R3-S6; 19.3 version 19.3R2 and later versions; 19.4 versions prior to 19.4R2-S8, 19.4R3-S9; 20.1 version 20.1R1 and later versions; 20.2 versions prior to 20.2R3-S5; 20.3 versions prior to 20.3R3-S5; 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R3-S2; 21.2 versions prior to 21.2R3-S1; 21.3 versions prior to 21.3R3-S2; 21.4 versions prior to 21.4R2. Juniper Networks Junos OS Evolved All versions prior to 20.4R3-S5-EVO; 21.1-EVO versions prior to 21.1R3-S2-EVO; 21.2-EVO versions prior to 21.2R3-S1-EVO; 21.3-EVO versions prior to 21.3R3-S2-EVO; 21.4-EVO versions prior to 21.4R2-EVO; 22.1-EVO versions prior to 22.1R2-EVO; 22.2-EVO versions prior to 22.2R2-EVO. This issue does not affect Juniper Networks Junos OS 19.2 versions prior to 19.2R2.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Junos | Juniper | 19.2-r2 (including) | 19.2-r2 (including) |
Junos | Juniper | 19.2-r2-s1 (including) | 19.2-r2-s1 (including) |
Junos | Juniper | 19.2-r3 (including) | 19.2-r3 (including) |
Junos | Juniper | 19.2-r3-s1 (including) | 19.2-r3-s1 (including) |
Junos | Juniper | 19.2-r3-s2 (including) | 19.2-r3-s2 (including) |
Junos | Juniper | 19.2-r3-s3 (including) | 19.2-r3-s3 (including) |
Junos | Juniper | 19.2-r3-s4 (including) | 19.2-r3-s4 (including) |
Junos | Juniper | 19.2-r3-s5 (including) | 19.2-r3-s5 (including) |
Junos | Juniper | 19.3 (including) | 19.3 (including) |
Junos | Juniper | 19.3-r1 (including) | 19.3-r1 (including) |
Junos | Juniper | 19.3-r1-s1 (including) | 19.3-r1-s1 (including) |
Junos | Juniper | 19.4 (including) | 19.4 (including) |
Junos | Juniper | 19.4-r1 (including) | 19.4-r1 (including) |
Junos | Juniper | 19.4-r1-s1 (including) | 19.4-r1-s1 (including) |
Junos | Juniper | 19.4-r1-s2 (including) | 19.4-r1-s2 (including) |
Junos | Juniper | 19.4-r1-s3 (including) | 19.4-r1-s3 (including) |
Junos | Juniper | 19.4-r1-s4 (including) | 19.4-r1-s4 (including) |
Junos | Juniper | 19.4-r2 (including) | 19.4-r2 (including) |
Junos | Juniper | 19.4-r2-s1 (including) | 19.4-r2-s1 (including) |
Junos | Juniper | 19.4-r2-s2 (including) | 19.4-r2-s2 (including) |
Junos | Juniper | 19.4-r2-s3 (including) | 19.4-r2-s3 (including) |
Junos | Juniper | 19.4-r2-s4 (including) | 19.4-r2-s4 (including) |
Junos | Juniper | 19.4-r2-s5 (including) | 19.4-r2-s5 (including) |
Junos | Juniper | 19.4-r2-s6 (including) | 19.4-r2-s6 (including) |
Junos | Juniper | 19.4-r2-s7 (including) | 19.4-r2-s7 (including) |
Junos | Juniper | 19.4-r3 (including) | 19.4-r3 (including) |
Junos | Juniper | 19.4-r3-s1 (including) | 19.4-r3-s1 (including) |
Junos | Juniper | 19.4-r3-s2 (including) | 19.4-r3-s2 (including) |
Junos | Juniper | 19.4-r3-s3 (including) | 19.4-r3-s3 (including) |
Junos | Juniper | 19.4-r3-s4 (including) | 19.4-r3-s4 (including) |
Junos | Juniper | 19.4-r3-s5 (including) | 19.4-r3-s5 (including) |
Junos | Juniper | 19.4-r3-s6 (including) | 19.4-r3-s6 (including) |
Junos | Juniper | 19.4-r3-s7 (including) | 19.4-r3-s7 (including) |
Junos | Juniper | 19.4-r3-s8 (including) | 19.4-r3-s8 (including) |
Junos | Juniper | 20.1-r1 (including) | 20.1-r1 (including) |
Junos | Juniper | 20.1-r1-s1 (including) | 20.1-r1-s1 (including) |
Junos | Juniper | 20.1-r1-s2 (including) | 20.1-r1-s2 (including) |
Junos | Juniper | 20.1-r1-s3 (including) | 20.1-r1-s3 (including) |
Junos | Juniper | 20.1-r1-s4 (including) | 20.1-r1-s4 (including) |
Junos | Juniper | 20.1-r2 (including) | 20.1-r2 (including) |
Junos | Juniper | 20.1-r2-s1 (including) | 20.1-r2-s1 (including) |
Junos | Juniper | 20.1-r2-s2 (including) | 20.1-r2-s2 (including) |
Junos | Juniper | 20.1-r3 (including) | 20.1-r3 (including) |
Junos | Juniper | 20.1-r3-s1 (including) | 20.1-r3-s1 (including) |
Junos | Juniper | 20.1-r3-s2 (including) | 20.1-r3-s2 (including) |
Junos | Juniper | 20.1-r3-s3 (including) | 20.1-r3-s3 (including) |
Junos | Juniper | 20.2 (including) | 20.2 (including) |
Junos | Juniper | 20.2-r1 (including) | 20.2-r1 (including) |
Junos | Juniper | 20.2-r1-s1 (including) | 20.2-r1-s1 (including) |
Junos | Juniper | 20.2-r1-s2 (including) | 20.2-r1-s2 (including) |
Junos | Juniper | 20.2-r1-s3 (including) | 20.2-r1-s3 (including) |
Junos | Juniper | 20.2-r2 (including) | 20.2-r2 (including) |
Junos | Juniper | 20.2-r2-s1 (including) | 20.2-r2-s1 (including) |
Junos | Juniper | 20.2-r2-s2 (including) | 20.2-r2-s2 (including) |
Junos | Juniper | 20.2-r2-s3 (including) | 20.2-r2-s3 (including) |
Junos | Juniper | 20.2-r3 (including) | 20.2-r3 (including) |
Junos | Juniper | 20.2-r3-s1 (including) | 20.2-r3-s1 (including) |
Junos | Juniper | 20.2-r3-s2 (including) | 20.2-r3-s2 (including) |
Junos | Juniper | 20.2-r3-s3 (including) | 20.2-r3-s3 (including) |
Junos | Juniper | 20.2-r3-s4 (including) | 20.2-r3-s4 (including) |
Junos | Juniper | 20.3 (including) | 20.3 (including) |
Junos | Juniper | 20.3-r1 (including) | 20.3-r1 (including) |
Junos | Juniper | 20.3-r1-s1 (including) | 20.3-r1-s1 (including) |
Junos | Juniper | 20.3-r1-s2 (including) | 20.3-r1-s2 (including) |
Junos | Juniper | 20.3-r2 (including) | 20.3-r2 (including) |
Junos | Juniper | 20.3-r2-s1 (including) | 20.3-r2-s1 (including) |
Junos | Juniper | 20.3-r3 (including) | 20.3-r3 (including) |
Junos | Juniper | 20.3-r3-s1 (including) | 20.3-r3-s1 (including) |
Junos | Juniper | 20.3-r3-s2 (including) | 20.3-r3-s2 (including) |
Junos | Juniper | 20.3-r3-s3 (including) | 20.3-r3-s3 (including) |
Junos | Juniper | 20.3-r3-s4 (including) | 20.3-r3-s4 (including) |
Junos | Juniper | 20.4 (including) | 20.4 (including) |
Junos | Juniper | 20.4-r1 (including) | 20.4-r1 (including) |
Junos | Juniper | 20.4-r1-s1 (including) | 20.4-r1-s1 (including) |
Junos | Juniper | 20.4-r2 (including) | 20.4-r2 (including) |
Junos | Juniper | 20.4-r2-s1 (including) | 20.4-r2-s1 (including) |
Junos | Juniper | 20.4-r2-s2 (including) | 20.4-r2-s2 (including) |
Junos | Juniper | 20.4-r3 (including) | 20.4-r3 (including) |
Junos | Juniper | 20.4-r3-s1 (including) | 20.4-r3-s1 (including) |
Junos | Juniper | 20.4-r3-s2 (including) | 20.4-r3-s2 (including) |
Junos | Juniper | 20.4-r3-s3 (including) | 20.4-r3-s3 (including) |
Junos | Juniper | 21.1 (including) | 21.1 (including) |
Junos | Juniper | 21.1-r1 (including) | 21.1-r1 (including) |
Junos | Juniper | 21.1-r1-s1 (including) | 21.1-r1-s1 (including) |
Junos | Juniper | 21.1-r2 (including) | 21.1-r2 (including) |
Junos | Juniper | 21.1-r2-s1 (including) | 21.1-r2-s1 (including) |
Junos | Juniper | 21.1-r2-s2 (including) | 21.1-r2-s2 (including) |
Junos | Juniper | 21.1-r3 (including) | 21.1-r3 (including) |
Junos | Juniper | 21.1-r3-s1 (including) | 21.1-r3-s1 (including) |
Junos | Juniper | 21.2 (including) | 21.2 (including) |
Junos | Juniper | 21.2-r1 (including) | 21.2-r1 (including) |
Junos | Juniper | 21.2-r1-s1 (including) | 21.2-r1-s1 (including) |
Junos | Juniper | 21.2-r1-s2 (including) | 21.2-r1-s2 (including) |
Junos | Juniper | 21.2-r2 (including) | 21.2-r2 (including) |
Junos | Juniper | 21.2-r2-s1 (including) | 21.2-r2-s1 (including) |
Junos | Juniper | 21.2-r2-s2 (including) | 21.2-r2-s2 (including) |
Junos | Juniper | 21.2-r3 (including) | 21.2-r3 (including) |
Junos | Juniper | 21.3 (including) | 21.3 (including) |
Junos | Juniper | 21.3-r1 (including) | 21.3-r1 (including) |
Junos | Juniper | 21.3-r1-s1 (including) | 21.3-r1-s1 (including) |
Junos | Juniper | 21.3-r1-s2 (including) | 21.3-r1-s2 (including) |
Junos | Juniper | 21.3-r2 (including) | 21.3-r2 (including) |
Junos | Juniper | 21.3-r2-s1 (including) | 21.3-r2-s1 (including) |
Junos | Juniper | 21.3-r2-s2 (including) | 21.3-r2-s2 (including) |
Junos | Juniper | 21.3-r3 (including) | 21.3-r3 (including) |
Junos | Juniper | 21.3-r3-s1 (including) | 21.3-r3-s1 (including) |
Junos | Juniper | 21.4 (including) | 21.4 (including) |
Junos | Juniper | 21.4-r1 (including) | 21.4-r1 (including) |
Junos | Juniper | 21.4-r1-s1 (including) | 21.4-r1-s1 (including) |
Junos | Juniper | 21.4-r1-s2 (including) | 21.4-r1-s2 (including) |
Input validation is a frequently-used technique for checking potentially dangerous inputs in order to ensure that the inputs are safe for processing within the code, or when communicating with other components. Input can consist of:
Data can be simple or structured. Structured data can be composed of many nested layers, composed of combinations of metadata and raw data, with other simple or structured data. Many properties of raw data or metadata may need to be validated upon entry into the code, such as:
Implied or derived properties of data must often be calculated or inferred by the code itself. Errors in deriving properties may be considered a contributing factor to improper input validation.