CVE-2024-47507 Other in Junos OS

Medium 6.9 Published 11 Oct 2024 Updated 11 Oct 2024

An unauthenticated attacker can send malformed BGP updates with zero ASN aggregators, causing integrity issues for downstream network devices.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-47507?

CVE-2024-47507 is a medium-severity vulnerability in Juniper Junos, published on 11 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause an integrity impact to the downstream devices.

When a peer sends a BGP update message which contains the aggregator attribute with an ASN value of zero (0), rpd accepts and propagates this attribute, which can cause issues for downstream BGP peers receiving this.

This issue affects:

Junos OS:

* All versions before 21.4R3-S6, * 22.2 versions before 22.2R3-S3, * 22.4 versions before 22.4R3;

Junos OS Evolved:

* All versions before 21.4R3-S7-EVO, * 22.2 versions before 22.2R3-S4-EVO, * 22.4 versions before 22.4R3-EVO.

Weakness: CWE-754

Which versions are affected by CVE-2024-47507?

It affects 2 products.

Products include Juniper Junos, Juniper Junos Os Evolved.

How do I fix CVE-2024-47507?

No fix has been published for CVE-2024-47507 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-47507 being exploited?

There is no known exploitation of CVE-2024-47507 in the wild and no public exploit code.

All Juniper Junos vulnerabilities

Sources

Also known as GHSA-8qjw-q35q-vjp5.