Description (CNA)
A Race Condition (Concurrent Execution using Shared Resource with Improper Synchronization) vulnerability in the firewall process (dfwd) of Juniper Networks Junos OS allows an attacker to bypass the firewall rule sets applied to the input loopback filter on any interfaces of a device. This issue is detectable by reviewing the PFE firewall rules, as well as the firewall counters and seeing if they are incrementing or not. For example: show firewall Filter: __default_bpdu_filter__ Filter: FILTER-INET-01 Counters: Name Bytes Packets output-match-inet 0 0 <<<<<< missing firewall packet count This issue affects: Juniper Networks Junos OS 14.1X53 versions prior to 14.1X53-D53 on QFX Series; 14.1 versions 14.1R1 and later versions prior to 15.1 versions prior to 15.1R7-S6 on QFX Series, PTX Series; 15.1X53 versions prior to 15.1X53-D593 on QFX Series; 16.1 versions prior to 16.1R7-S7 on QFX Series, PTX Series; 16.2 versions prior to 16.2R2-S11, 16.2R3 on QFX Series, PTX Series; 17.1 versions prior to 17.1R2-S11, 17.1R3-S2 on QFX Series, PTX Series; 17.2 versions prior to 17.2R1-S9, 17.2R3-S3 on QFX Series, PTX Series; 17.3 versions prior to 17.3R2-S5, 17.3R3-S7 on QFX Series, PTX Series; 17.4 versions prior to 17.4R2-S9, 17.4R3 on QFX Series, PTX Series; 18.1 versions prior to 18.1R3-S9 on QFX Series, PTX Series; 18.2 versions prior to 18.2R2-S6, 18.2R3-S3 on QFX Series, PTX Series; 18.3 versions prior to 18.3R1-S7, 18.3R2-S3, 18.3R3-S1 on QFX Series, PTX Series; 18.4 versions prior to 18.4R1-S5, 18.4R2-S3, 18.4R2-S7, 18.4R3 on QFX Series, PTX Series; 19.1 versions prior to 19.1R1-S4, 19.1R2-S1, 19.1R3 on QFX Series, PTX Series; 19.2 versions prior to 19.2R1-S3, 19.2R2 on QFX Series, PTX Series.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Juniper Networks / Junos OS | affected 14.1X53 before 14.1X53-D53; affected 15.1X53 before 15.1X53-D593 |
| Juniper Networks / Junos OS | affected 14.1R1 before 14.1*; affected 15.1 before 15.1R7-S6; affected 16.1 before 16.1R7-S7; affected 16.2 before 16.2R2-S11, 16.2R3; affected 17.1 before 17.1R2-S11, 17.1R3-S2; affected 17.2 before 17.2R1-S9, 17.2R3-S3; affected 17.3 before 17.3R2-S5, 17.3R3-S7; affected 17.4 before 17.4R2-S9, 17.4R3; affected 18.1 before 18.1R3-S9; affected 18.2 before 18.2R2-S6, 18.2R3-S3; affected 18.3 before 18.3R1-S7, 18.3R2-S3, 18.3R3-S1; affected 18.4 before 18.4R1-S5, 18.4R2-S3, 18.4R3; affected 19.1 before 19.1R1-S4, 19.1R2-S1, 19.1R3; affected 19.2 before 19.2R1-S3, 19.2R2 |
CWE
CWE-362
References
ADP enrichment
No English description supplied.