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CVE-2024-39552
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Description
An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows a network based, unauthenticated attacker to cause the RPD process to crash leading to a Denial of Service (DoS).
When a malformed BGP UPDATE packet is received over an established BGP session, RPD crashes and restarts.
Continuous receipt of the malformed BGP UPDATE messages will create a sustained Denial of Service (DoS) condition for impacted devices.
This issue affects eBGP and iBGP, in both IPv4 and IPv6 implementations. This issue requires a remote attacker to have at least one established BGP session.
This issue affects:
Juniper Networks Junos OS:
- All versions earlier than 20.4R3-S9;
- 21.2 versions earlier than 21.2R3-S7;
- 21.3 versions earlier than 21.3R3-S5;
- 21.4 versions earlier than 21.4R3-S6;
- 22.1 versions earlier than 22.1R3-S4;
- 22.2 versions earlier than 22.2R3-S3;
- 22.3 versions earlier than 22.3R3-S2;
- 22.4 versions earlier than 22.4R3;
- 23.2 versions earlier than 23.2R2.
Juniper Networks Junos OS Evolved:
- All versions earlier than 21.2R3-S7;
- 21.3-EVO versions earlier than 21.3R3-S5;
- 21.4-EVO versions earlier than 21.4R3-S8;
- 22.1-EVO versions earlier than 22.1R3-S4;
- 22.2-EVO versions earlier than 22.2R3-S3;
- 22.3-EVO versions earlier than 22.3R3-S2;
- 22.4-EVO versions earlier than 22.4R3;
- 23.2-EVO versions earlier than 23.2R2.
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