CVE-2019-0051 — MEDIUM (6.5)

Vulnerability Description

SSL-Proxy feature on SRX devices fails to handle a hardware resource limitation which can be exploited by remote SSL/TLS servers to crash the flowd daemon. Repeated crashes of the flowd daemon can result in an extended denial of service condition. For this issue to occur, clients protected by the SRX device must initiate a connection to the malicious server. This issue affects: Juniper Networks Junos OS on SRX5000 Series: 12.3X48 versions prior to 12.3X48-D85; 15.1X49 versions prior to 15.1X49-D180; 17.3 versions prior to 17.3R3-S7; 17.4 versions prior to 17.4R2-S6, 17.4R3; 18.1 versions prior to 18.1R3-S8; 18.2 versions prior to 18.2R3; 18.3 versions prior to 18.3R2; 18.4 versions prior to 18.4R2; 19.1 versions prior to 19.1R2.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Juniper	Junos	12.3x48
Juniper	Srx5400	-
Juniper	Srx5600	-
Juniper	Srx5800	-

Related Weaknesses (CWE)

CWE-755

References

https://kb.juniper.net/JSA10973Vendor Advisory
https://kb.juniper.net/JSA10973Vendor Advisory

FAQ

What is CVE-2019-0051?

CVE-2019-0051 is a vulnerability with a CVSS score of 6.5 (MEDIUM). SSL-Proxy feature on SRX devices fails to handle a hardware resource limitation which can be exploited by remote SSL/TLS servers to crash the flowd daemon. Repeated crashes of the flowd daemon can res...

How severe is CVE-2019-0051?

CVE-2019-0051 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-0051?

Check the references section above for vendor advisories and patch information. Affected products include: Juniper Junos, Juniper Srx5400, Juniper Srx5600, Juniper Srx5800.