Out-of-bounds write in Junos OS and Junos OS Evolved - CVE-2023-44197
Published: October 25, 2023
Vulnerability identifier: #VU82385
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-44197
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to out-of-bounds write error in the Routing Protocol Daemon (rpd) when processing BGP route updates received over an established BGP session. A remote non-authenticated attacker can cause a Denial of Service (DoS).
Affected software
Junos OS
Junos OS Evolved
Junos OS Evolved
How to mitigate CVE-2023-44197
Install updates from vendor's website.
Junos OS - addressed in versions 20.4R3-S8, 21.2R3-S2, 21.3R3-S5, 21.4R2-S1, 21.4R3-S5, 22.1R1
Junos OS Evolved - addressed in versions 20.4R3-S8-EVO, 21.2R3-S2-EVO, 21.4R2-S1-EVO, 21.4R3-S5-EVO, 22.1R1-EVO
Junos OS Evolved - addressed in versions 20.4R3-S8-EVO, 21.2R3-S2-EVO, 21.4R2-S1-EVO, 21.4R3-S5-EVO, 22.1R1-EVO