A Improper Validation of Specified Index, Position, or Offset in Input vulnerability in the Juniper DHCP daemon (jdhcpd) of Juniper Networks Junos OS allows an adjacent unauthenticated attacker to cause a crash of jdhcpd and thereby a Denial of Service (DoS). In a scenario where DHCP relay or local server is configured the problem can be triggered if a DHCPv4 packet with specific options is received leading to a corruption of the options read from the packet. This corruption can then lead to jdhcpd crash and restart. This issue affects: Juniper Networks Junos OS 17.4R1 and later versions prior to 18.4R3-S10; 19.1 versions prior to 19.1R3-S7; 19.2 versions prior to 19.2R1-S8, 19.2R3-S4; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R3-S6; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S2; 20.4 versions prior to 20.4R3-S1; 21.1 versions prior to 21.1R2-S2, 21.1R3; 21.2 versions prior to 21.2R1-S2, 21.2R2, 21.2R3; 21.3 versions prior to 21.3R1-S1, 21.3R2.
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 | 17.4-r1 (including) | 17.4-r1 (including) |
Junos | Juniper | 17.4-r1-s1 (including) | 17.4-r1-s1 (including) |
Junos | Juniper | 17.4-r1-s2 (including) | 17.4-r1-s2 (including) |
Junos | Juniper | 17.4-r1-s3 (including) | 17.4-r1-s3 (including) |
Junos | Juniper | 17.4-r1-s4 (including) | 17.4-r1-s4 (including) |
Junos | Juniper | 17.4-r1-s5 (including) | 17.4-r1-s5 (including) |
Junos | Juniper | 17.4-r1-s6 (including) | 17.4-r1-s6 (including) |
Junos | Juniper | 17.4-r1-s7 (including) | 17.4-r1-s7 (including) |
Junos | Juniper | 17.4-r2 (including) | 17.4-r2 (including) |
Junos | Juniper | 17.4-r2-s1 (including) | 17.4-r2-s1 (including) |
Junos | Juniper | 17.4-r2-s10 (including) | 17.4-r2-s10 (including) |
Junos | Juniper | 17.4-r2-s11 (including) | 17.4-r2-s11 (including) |
Junos | Juniper | 17.4-r2-s12 (including) | 17.4-r2-s12 (including) |
Junos | Juniper | 17.4-r2-s13 (including) | 17.4-r2-s13 (including) |
Junos | Juniper | 17.4-r2-s2 (including) | 17.4-r2-s2 (including) |
Junos | Juniper | 17.4-r2-s3 (including) | 17.4-r2-s3 (including) |
Junos | Juniper | 17.4-r2-s4 (including) | 17.4-r2-s4 (including) |
Junos | Juniper | 17.4-r2-s5 (including) | 17.4-r2-s5 (including) |
Junos | Juniper | 17.4-r2-s6 (including) | 17.4-r2-s6 (including) |
Junos | Juniper | 17.4-r2-s7 (including) | 17.4-r2-s7 (including) |
Junos | Juniper | 17.4-r2-s8 (including) | 17.4-r2-s8 (including) |
Junos | Juniper | 17.4-r2-s9 (including) | 17.4-r2-s9 (including) |
Junos | Juniper | 17.4-r3 (including) | 17.4-r3 (including) |
Junos | Juniper | 17.4-r3-s1 (including) | 17.4-r3-s1 (including) |
Junos | Juniper | 17.4-r3-s2 (including) | 17.4-r3-s2 (including) |
Junos | Juniper | 17.4-r3-s3 (including) | 17.4-r3-s3 (including) |
Junos | Juniper | 17.4-r3-s4 (including) | 17.4-r3-s4 (including) |
Junos | Juniper | 17.4-r3-s5 (including) | 17.4-r3-s5 (including) |
Junos | Juniper | 18.1 (including) | 18.1 (including) |
Junos | Juniper | 18.1-r1 (including) | 18.1-r1 (including) |
Junos | Juniper | 18.1-r2 (including) | 18.1-r2 (including) |
Junos | Juniper | 18.1-r2-s1 (including) | 18.1-r2-s1 (including) |
Junos | Juniper | 18.1-r2-s2 (including) | 18.1-r2-s2 (including) |
Junos | Juniper | 18.1-r2-s4 (including) | 18.1-r2-s4 (including) |
Junos | Juniper | 18.1-r3 (including) | 18.1-r3 (including) |
Junos | Juniper | 18.1-r3-s1 (including) | 18.1-r3-s1 (including) |
Junos | Juniper | 18.1-r3-s10 (including) | 18.1-r3-s10 (including) |
Junos | Juniper | 18.1-r3-s11 (including) | 18.1-r3-s11 (including) |
Junos | Juniper | 18.1-r3-s12 (including) | 18.1-r3-s12 (including) |
Junos | Juniper | 18.1-r3-s13 (including) | 18.1-r3-s13 (including) |
Junos | Juniper | 18.1-r3-s2 (including) | 18.1-r3-s2 (including) |
Junos | Juniper | 18.1-r3-s3 (including) | 18.1-r3-s3 (including) |
Junos | Juniper | 18.1-r3-s4 (including) | 18.1-r3-s4 (including) |
Junos | Juniper | 18.1-r3-s5 (including) | 18.1-r3-s5 (including) |
Junos | Juniper | 18.1-r3-s6 (including) | 18.1-r3-s6 (including) |
Junos | Juniper | 18.1-r3-s7 (including) | 18.1-r3-s7 (including) |
Junos | Juniper | 18.1-r3-s8 (including) | 18.1-r3-s8 (including) |
Junos | Juniper | 18.1-r3-s9 (including) | 18.1-r3-s9 (including) |
Junos | Juniper | 18.1-r4 (including) | 18.1-r4 (including) |
Junos | Juniper | 18.2 (including) | 18.2 (including) |
Junos | Juniper | 18.2-r1 (including) | 18.2-r1 (including) |
Junos | Juniper | 18.2-r1-s2 (including) | 18.2-r1-s2 (including) |
Junos | Juniper | 18.2-r1-s3 (including) | 18.2-r1-s3 (including) |
Junos | Juniper | 18.2-r1-s4 (including) | 18.2-r1-s4 (including) |
Junos | Juniper | 18.2-r1-s5 (including) | 18.2-r1-s5 (including) |
Junos | Juniper | 18.2-r2 (including) | 18.2-r2 (including) |
Junos | Juniper | 18.2-r2-s1 (including) | 18.2-r2-s1 (including) |
Junos | Juniper | 18.2-r2-s2 (including) | 18.2-r2-s2 (including) |
Junos | Juniper | 18.2-r2-s3 (including) | 18.2-r2-s3 (including) |
Junos | Juniper | 18.2-r2-s4 (including) | 18.2-r2-s4 (including) |
Junos | Juniper | 18.2-r2-s5 (including) | 18.2-r2-s5 (including) |
Junos | Juniper | 18.2-r2-s6 (including) | 18.2-r2-s6 (including) |
Junos | Juniper | 18.2-r2-s7 (including) | 18.2-r2-s7 (including) |
Junos | Juniper | 18.2-r2-s8 (including) | 18.2-r2-s8 (including) |
Junos | Juniper | 18.2-r3 (including) | 18.2-r3 (including) |
Junos | Juniper | 18.2-r3-s1 (including) | 18.2-r3-s1 (including) |
Junos | Juniper | 18.2-r3-s2 (including) | 18.2-r3-s2 (including) |
Junos | Juniper | 18.2-r3-s3 (including) | 18.2-r3-s3 (including) |
Junos | Juniper | 18.2-r3-s4 (including) | 18.2-r3-s4 (including) |
Junos | Juniper | 18.2-r3-s5 (including) | 18.2-r3-s5 (including) |
Junos | Juniper | 18.2-r3-s6 (including) | 18.2-r3-s6 (including) |
Junos | Juniper | 18.2-r3-s7 (including) | 18.2-r3-s7 (including) |
Junos | Juniper | 18.2-r3-s8 (including) | 18.2-r3-s8 (including) |
Junos | Juniper | 18.3 (including) | 18.3 (including) |
Junos | Juniper | 18.3-r1 (including) | 18.3-r1 (including) |
Junos | Juniper | 18.3-r1-s1 (including) | 18.3-r1-s1 (including) |
Junos | Juniper | 18.3-r1-s2 (including) | 18.3-r1-s2 (including) |
Junos | Juniper | 18.3-r1-s3 (including) | 18.3-r1-s3 (including) |
Junos | Juniper | 18.3-r1-s4 (including) | 18.3-r1-s4 (including) |
Junos | Juniper | 18.3-r1-s5 (including) | 18.3-r1-s5 (including) |
Junos | Juniper | 18.3-r1-s6 (including) | 18.3-r1-s6 (including) |
Junos | Juniper | 18.3-r2 (including) | 18.3-r2 (including) |
Junos | Juniper | 18.3-r2-s1 (including) | 18.3-r2-s1 (including) |
Junos | Juniper | 18.3-r2-s2 (including) | 18.3-r2-s2 (including) |
Junos | Juniper | 18.3-r2-s3 (including) | 18.3-r2-s3 (including) |
Junos | Juniper | 18.3-r2-s4 (including) | 18.3-r2-s4 (including) |
Junos | Juniper | 18.3-r3 (including) | 18.3-r3 (including) |
Junos | Juniper | 18.3-r3-s1 (including) | 18.3-r3-s1 (including) |
Junos | Juniper | 18.3-r3-s2 (including) | 18.3-r3-s2 (including) |
Junos | Juniper | 18.3-r3-s3 (including) | 18.3-r3-s3 (including) |
Junos | Juniper | 18.3-r3-s4 (including) | 18.3-r3-s4 (including) |
Junos | Juniper | 18.3-r3-s5 (including) | 18.3-r3-s5 (including) |
Junos | Juniper | 18.3-r3-s6 (including) | 18.3-r3-s6 (including) |
Junos | Juniper | 18.4 (including) | 18.4 (including) |
Junos | Juniper | 18.4-r1 (including) | 18.4-r1 (including) |
Junos | Juniper | 18.4-r1-s1 (including) | 18.4-r1-s1 (including) |
Junos | Juniper | 18.4-r1-s2 (including) | 18.4-r1-s2 (including) |
Junos | Juniper | 18.4-r1-s3 (including) | 18.4-r1-s3 (including) |
Junos | Juniper | 18.4-r1-s4 (including) | 18.4-r1-s4 (including) |
Junos | Juniper | 18.4-r1-s5 (including) | 18.4-r1-s5 (including) |
Junos | Juniper | 18.4-r1-s6 (including) | 18.4-r1-s6 (including) |
Junos | Juniper | 18.4-r1-s7 (including) | 18.4-r1-s7 (including) |
Junos | Juniper | 18.4-r2 (including) | 18.4-r2 (including) |
Junos | Juniper | 18.4-r2-s1 (including) | 18.4-r2-s1 (including) |
Junos | Juniper | 18.4-r2-s2 (including) | 18.4-r2-s2 (including) |
Junos | Juniper | 18.4-r2-s3 (including) | 18.4-r2-s3 (including) |
Junos | Juniper | 18.4-r2-s4 (including) | 18.4-r2-s4 (including) |
Junos | Juniper | 18.4-r2-s5 (including) | 18.4-r2-s5 (including) |
Junos | Juniper | 18.4-r2-s6 (including) | 18.4-r2-s6 (including) |
Junos | Juniper | 18.4-r2-s7 (including) | 18.4-r2-s7 (including) |
Junos | Juniper | 18.4-r2-s8 (including) | 18.4-r2-s8 (including) |
Junos | Juniper | 18.4-r3 (including) | 18.4-r3 (including) |
Junos | Juniper | 18.4-r3-s1 (including) | 18.4-r3-s1 (including) |
Junos | Juniper | 18.4-r3-s2 (including) | 18.4-r3-s2 (including) |
Junos | Juniper | 18.4-r3-s3 (including) | 18.4-r3-s3 (including) |
Junos | Juniper | 18.4-r3-s4 (including) | 18.4-r3-s4 (including) |
Junos | Juniper | 18.4-r3-s5 (including) | 18.4-r3-s5 (including) |
Junos | Juniper | 18.4-r3-s6 (including) | 18.4-r3-s6 (including) |
Junos | Juniper | 18.4-r3-s7 (including) | 18.4-r3-s7 (including) |
Junos | Juniper | 18.4-r3-s8 (including) | 18.4-r3-s8 (including) |
Junos | Juniper | 18.4-r3-s9 (including) | 18.4-r3-s9 (including) |
Junos | Juniper | 19.1 (including) | 19.1 (including) |
Junos | Juniper | 19.1-r1 (including) | 19.1-r1 (including) |
Junos | Juniper | 19.1-r1-s1 (including) | 19.1-r1-s1 (including) |
Junos | Juniper | 19.1-r1-s2 (including) | 19.1-r1-s2 (including) |
Junos | Juniper | 19.1-r1-s3 (including) | 19.1-r1-s3 (including) |
Junos | Juniper | 19.1-r1-s4 (including) | 19.1-r1-s4 (including) |
Junos | Juniper | 19.1-r1-s5 (including) | 19.1-r1-s5 (including) |
Junos | Juniper | 19.1-r1-s6 (including) | 19.1-r1-s6 (including) |
Junos | Juniper | 19.1-r2 (including) | 19.1-r2 (including) |
Junos | Juniper | 19.1-r2-s1 (including) | 19.1-r2-s1 (including) |
Junos | Juniper | 19.1-r2-s2 (including) | 19.1-r2-s2 (including) |
Junos | Juniper | 19.1-r3-s7 (including) | 19.1-r3-s7 (including) |
Junos | Juniper | 19.2 (including) | 19.2 (including) |
Junos | Juniper | 19.2-r1 (including) | 19.2-r1 (including) |
Junos | Juniper | 19.2-r1-s1 (including) | 19.2-r1-s1 (including) |
Junos | Juniper | 19.2-r1-s2 (including) | 19.2-r1-s2 (including) |
Junos | Juniper | 19.2-r1-s3 (including) | 19.2-r1-s3 (including) |
Junos | Juniper | 19.2-r1-s4 (including) | 19.2-r1-s4 (including) |
Junos | Juniper | 19.2-r1-s5 (including) | 19.2-r1-s5 (including) |
Junos | Juniper | 19.2-r1-s6 (including) | 19.2-r1-s6 (including) |
Junos | Juniper | 19.2-r1-s7 (including) | 19.2-r1-s7 (including) |
Junos | Juniper | 19.2-r3-s4 (including) | 19.2-r3-s4 (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 | 19.3-r2 (including) | 19.3-r2 (including) |
Junos | Juniper | 19.3-r2-s1 (including) | 19.3-r2-s1 (including) |
Junos | Juniper | 19.3-r2-s2 (including) | 19.3-r2-s2 (including) |
Junos | Juniper | 19.3-r2-s3 (including) | 19.3-r2-s3 (including) |
Junos | Juniper | 19.3-r2-s4 (including) | 19.3-r2-s4 (including) |
Junos | Juniper | 19.3-r2-s5 (including) | 19.3-r2-s5 (including) |
Junos | Juniper | 19.3-r2-s6 (including) | 19.3-r2-s6 (including) |
Junos | Juniper | 19.3-r3 (including) | 19.3-r3 (including) |
Junos | Juniper | 19.3-r3-s1 (including) | 19.3-r3-s1 (including) |
Junos | Juniper | 19.3-r3-s2 (including) | 19.3-r3-s2 (including) |
Junos | Juniper | 19.3-r3-s3 (including) | 19.3-r3-s3 (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-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 | 20.1 (including) | 20.1 (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 | 20.2 (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 | 20.3 (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-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 | 20.4 (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 | 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 | 21.2 (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 | 21.3-r1 (including) | 21.3-r1 (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.