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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.013 (71.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
Weakness classification (CWE)
References
- kb.juniper.net/JSA10953 (Vendor Advisory)
- www.juniper.net/documentation/en_US/junos/topics/topic-map/security-sip-alg.html (Vendor Advisory, mailing-list)
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.