Input validation error in Juniper Junos OS

1) Input validation error

EUVDB-ID: #VU19148

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-2019-0052

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to srxpfe process crash while JSF/UTM module parses specific HTTP packets. A remote attacker can send a specially crafted HTTP packet and perform a denial of service attack.

This vulnerability affects all SRX Series platforms that support URL-Filtering and have web-filtering enabled.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Juniper Junos OS: 12.3x48 - 18.4R1

External links

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10946&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.