Denial of service in Juniper Junos

1) Improper input validation

EUVDB-ID: #VU11637

Risk: Low

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0007

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.

The weakness exists due to insufficient validation of user-supplied input. A remote attacker can submit specially crafted LLDP packets and gain root privileges or cause the service to crash.

Mitigation

Update to versions 12.1X46-D71, 12.3X48-D55, 12.3R12-S7, 12.3X48-D55, 14.1R8-S5, 14.1R9, 14.1X53-D46, 14.2R7-S9, 14.2R8, 15.1F2-S17, 15.1F5-S8, 15.1F6-S8, 15.1R7, 15.1X49-D90, 15.1X53-D65, 16.1R4-S6, 16.1R5, 16.1X65-D45, 16.2R2, 17.1R2, 17.2R1 or later.

Vulnerable software versions

Juniper Junos OS: 12.1x46 - 17.1

External links

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10830&actp=METADATA

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.