Buffer overflow in Juniper Junos OS - CVE-2021-0227
Published: April 15, 2021
Vulnerability identifier: #VU52253
CSH Severity: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2021-0227
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Juniper Junos OS
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.
Juniper Networks, Inc.
Description
The vulnerability allows a remote attacker to perform DoS attack.
The vulnerability exists due to a boundary error when processing HTTP requests in Juniper Networks Junos OS J-Web on SRX Series devices. A remote attacker can send specially crafted HTTP requests to the system, trigger memory corruption and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.