Use After Free in Juniper Junos
CVE-2018-0001
A remote, unauthenticated attacker may be able to execute code by exploiting a use-after-free defect found in older versions of PHP through injection of crafted data via specific PHP URLs within the context of the J-Web process. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D67; 12.3 versions prior to 12.3R12-S5; 12.3X48 versions prior to 12.3X48-D35; 14.1 versions prior to 14.1R8-S5, 14.1R9; 14.1X53 versions prior to 14.1X53-D44, 14.1X53-D50; 14.2 versions prior to 14.2R7-S7, 14.2R8; 15.1 versions prior to 15.1R3; 15.1X49 versions prior to 15.1X49-D30; 15.1X53 versions prior to 15.1X53-D70.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.063 (93.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.063 · newest: 0.063 · change: 0.000
Affected products
- Juniper Junos — versions 12.1x46, 12.3x48, 15.1x49
- Juniper Networks Junos OS — versions 15.1X53, 12.1X46, 12.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securitytracker.com/id/1040180 (VDB Entry, Third Party Advisory, vdb-entry)
- kb.juniper.net/JSA10828 (Patch, Mitigation, Vendor Advisory)
- www.securityfocus.com/bid/103092 (vdb-entry)
Frequently asked questions
- What is CVE-2018-0001?
- CVE-2018-0001 is a critical-severity vulnerability in Juniper Junos, classified under Use After Free. CVSS score: 9.8/10. Published 2018-01-10.
- How severe is CVE-2018-0001?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2018-0001 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.