Junos OS: SRX Series: Denial of Service vulnerability in flowd due to multicast packets
Published Oct 9, 2019
7.5
HIGHCVSS 3.1
EPSS 1.31%
Description
The SRX flowd process, responsible for packet forwarding, may crash and restart when processing specific multicast packets. By continuously sending the specific multicast packets, an attacker can repeatedly crash the flowd process causing a sustained Denial of Service. This issue affects Juniper Networks Junos OS on SRX Series: 12.3X48 versions prior to 12.3X48-D90; 15.1X49 versions prior to 15.1X49-D180; 17.3 versions; 17.4 versions prior to 17.4R2-S5, 17.4R3; 18.1 versions prior to 18.1R3-S6; 18.2 versions prior to 18.2R2-S4, 18.2R3; 18.3 versions prior to 18.3R2-S1, 18.3R3; 18.4 versions prior to 18.4R2; 19.1 versions prior to 19.1R1-S1, 19.1R2.
Affected products
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- Version 12.3X48StatusaffectedConstraints<12.3X48-D90
- Version 15.1X49StatusaffectedConstraints<15.1X49-D180
- Version 17.3StatusaffectedConstraints-
- Version 17.4StatusaffectedConstraints<17.4R2-S5, 17.4R3
- Version 18.1StatusaffectedConstraints<18.1R3-S6
- Version 18.2StatusaffectedConstraints<18.2R2-S4, 18.2R3
- Version 18.3StatusaffectedConstraints<18.3R2-S1, 18.3R3
- Version 18.4StatusaffectedConstraints<18.4R2
- Version 19.1StatusaffectedConstraints<19.1R1-S1, 19.1R2
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Juniper Networks | Junos OS | n/a |
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Configuration 1
- 12.3x48
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Configuration 2
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Configuration 5
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Configuration 7
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Configuration 8
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Configuration 9
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No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
The following software releases have been updated to resolve this specific issue: 12.3X48-D90, 15.1X49-D180, 17.4R2-S5, 17.4R3, 18.1R3-S6, 18.2R2-S4, 18.2R3, 18.3R2-S1, 18.3R3, 18.4R2, 19.1R1-S1, 19.1R2, 19.2R1, and all subsequent releases.
References (2)
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-0875 Advisory
- https://kb.juniper.net/JSA10968 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-0875 | Advisory | |
| https://kb.juniper.net/JSA10968 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.