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Vulnerability CVE-2021-0209
Published: 2021-01-15
Description: |
In Juniper Networks Junos OS Evolved an attacker sending certain valid BGP update packets may cause Junos OS Evolved to access an uninitialized pointer causing RPD to core leading to a Denial of Service (DoS). Continued receipt of these types of valid BGP update packets will cause an extended Denial of Service condition. RPD will require a restart to recover. An indicator of compromise is to see if the file rpd.re exists by issuing the command: show system core-dumps This issue affects: Juniper Networks Junos OS Evolved 19.4 versions prior to 19.4R2-S2-EVO; 20.1 versions prior to 20.1R1-S2-EVO, 20.1R2-S1-EVO. This issue does not affect Junos OS. |
Type:
CWE-824 (Access of Uninitialized Pointer)
CVSS2 => (AV:A/AC:M/Au:N/C:N/I:N/A:C)
CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
5.7/10 |
6.9/10 |
5.5/10 |
Exploit range |
Attack complexity |
Authentication |
Adjacent network |
Medium |
No required |
Confidentiality impact |
Integrity impact |
Availability impact |
None |
None |
Complete |
References: |
https://kb.juniper.net/JSA11099
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