Memory leak in Junos OS and Junos OS Evolved l2cpd
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-22172 |
| CWE-ID | CWE-401 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Junos OS Evolved Operating systems & Components / Operating system Juniper Junos OS Operating systems & Components / Operating system |
| Vendor | Juniper Networks, Inc. |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Memory leak
EUVDB-ID: #VU59564
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-22172
CWE-ID:
CWE-401 - Missing release of memory after effective lifetime
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform DoS attack on the target system.
The vulnerability exists due memory leak in the Layer-2 control protocols daemon (l2cpd). A remote attacker can send specially crafted LLDP packets to the system and perform denial of service attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsJunos OS Evolved: 20.4 - 21.3-EVO
Juniper Junos OS: 19.2 - 21.2R1-S2
External linkshttp://kb.juniper.net/InfoCenter/index?page=content&id=JSA11278&cat=SIRT_1&actp=LIST
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
