What is CVE-2019-0055?

CVE-2019-0055 is a high-severity vulnerability in Juniper Csrx, classified under Improper Handling of Length Parameter Inconsistency. CVSS score: 7.5/10. Published 2019-10-09.

How severe is CVE-2019-0055?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Juniper Csrx

CVE-2019-0055

A vulnerability in the SIP ALG packet processing service of Juniper Networks Junos OS allows an attacker to cause a Denial of Service (DoS) to the device by sending specific types of valid SIP traffic to the device. In this case, the flowd process crashes and generates a core dump while processing SIP ALG traffic. Continued receipt of these valid SIP packets will result in a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS: 12.3X48 versions prior to 12.3X48-D61, 12.3X48-D65 on SRX Series; 15.1X49 versions prior to 15.1X49-D130 on SRX Series; 17.3 versions prior to 17.3R3 on SRX Series; 17.4 versions prior to 17.4R2 on SRX Series.

EPSS: 0.013 (70.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Juniper Csrx
Juniper Junos — versions 12.3x48, 15.1x49, 17.3
Juniper Srx100
Juniper Srx110
Juniper Srx1400
Juniper Srx1500
Juniper Srx210
Juniper Srx220
Juniper Srx240
Juniper Srx300

Weakness classification (CWE)

CWE-130 — Improper Handling of Length Parameter Inconsistency

References

sirt@juniper.net (x_refsource_MISC, Vendor Advisory)
sirt@juniper.net (Vendor Advisory, mailing-list, x_refsource_MLIST)

Frequently asked questions

What is CVE-2019-0055?: CVE-2019-0055 is a high-severity vulnerability in Juniper Csrx, classified under Improper Handling of Length Parameter Inconsistency. CVSS score: 7.5/10. Published 2019-10-09.
How severe is CVE-2019-0055?: High severity. CVSS v3 base score is 7.5 out of 10.