Information disclosure in Juniper Ex4300
CVE-2017-2304
Juniper Networks QFX3500, QFX3600, QFX5100, QFX5200, EX4300 and EX4600 devices running Junos OS 14.1X53 prior to 14.1X53-D40, 15.1X53 prior to 15.1X53-D40, 15.1 prior to 15.1R2, do not pad Ethernet packets with zeros, and thus some packets can contain fragments of system memory or data from previous packets. This issue is also known as 'Etherleak'
Vulnerability class: Information Disclosure
EPSS: 0.018 (77.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Juniper Ex4300
- Juniper Ex4600
- Juniper Junos — versions 14.1x53, 15.1, 15.1x53
- Juniper Qfx3500
- Juniper Qfx3600
- Juniper Qfx5100
- Juniper Qfx5200
- Juniper Networks Junos Os Running On Qfx3500, Qfx3600, Qfx5100, Qfx5200, Ex4300, Ex4600 Devices — versions 15.1X53 prior to 15.1X53-D40, 15.1 prior to 15.1R2, 14.1X53 prior to 14.1X53-D40
Weakness classification (CWE)
References
- sirt@juniper.net (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- sirt@juniper.net (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- sirt@juniper.net (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-2304?
- CVE-2017-2304 is a high-severity vulnerability in Juniper Ex4300, classified under Information Disclosure. CVSS score: 7.5/10. Published 2017-05-30.
- How severe is CVE-2017-2304?
- High severity. CVSS v3 base score is 7.5 out of 10.