Vulnerability identifier: #VU49555
Vulnerability risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-824
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Junos OS Evolved
Operating systems & Components /
Operating system
Vendor: Juniper Networks, Inc.
Description
The vulnerability allows a remote attacker to perform a DoS attack.
The vulnerability exists due to access to an uninitialized pointer in Regular expressions (REGEX) engine when processing valid BGP update packets from BGP peers. A remote attacker can certain valid BGP update packets and perform a denial of service (DoS) attack.
Mitigation
Install updates from vendor's website.
Juniper Networks Junos OS Evolved
Vulnerable software versions
Junos OS Evolved: 20.1 - 20.1R2-EVO, 19.4, 20.2
External links
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA11099&cat=SIRT_1&actp=LIST
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.