A vulnerability in the distributed or centralized periodic packet management daemon (PPMD) of Juniper Networks Junos OS may cause receipt of a malformed packet to crash and restart the PPMD process, leading to network destabilization, service interruption, and a Denial of Service (DoS) condition. Continued receipt and processing of these malformed packets will repeatedly crash the PPMD process and sustain the Denial of Service (DoS) condition. Due to the nature of the specifically crafted packet, exploitation of this issue requires direct, adjacent connectivity to the vulnerable component. This issue affects Juniper Networks Junos OS: 17.3 versions before 17.3R3-S11; 17.4 versions before 17.4R2-S12, 17.4R3-S4; 18.1 versions before 18.1R3-S12; 18.2 versions before 18.2R2-S8, 18.2R3-S7; 18.3 versions before 18.3R3-S4; 18.4 versions before 18.4R1-S8, 18.4R2-S7, 18.4R3-S6; 19.1 versions before 19.1R1-S6, 19.1R2-S2, 19.1R3-S4; 19.2 versions before 19.2R1-S5, 19.2R3-S1; 19.3 versions before 19.3R2-S5, 19.3R3-S1; 19.4 versions before 19.4R2-S2, 19.4R3; 20.1 versions before 20.1R2; 20.2 versions before 20.2R1-S2, 20.2R2.
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
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juniper junos 17.3 |
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juniper junos 17.4 |
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juniper junos 18.1 |
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juniper junos 18.2 |
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juniper junos 18.3 |
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juniper junos 18.4 |
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juniper junos 19.1 |
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juniper junos 19.2 |
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juniper junos 19.3 |
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juniper junos 19.4 |
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juniper junos 20.1 |
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juniper junos 20.2 |
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