Information disclosure in Citrix Xenserver
CVE-2018-3665
System software utilizing Lazy FP state restore technique on systems using Intel Core-based microprocessors may potentially allow a local process to infer data from another process through a speculative execution side channel.
Vulnerability class: Information Disclosure
EPSS: 0.006 (45.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N.
Affected products
- Citrix Xenserver — versions 7.0, 7.1, 7.3
- Freebsd — versions 11.0, 11.1, 11.2
- Intel Core_i3 — versions 330e, 330m, 330um
- Intel Core_i5 — versions 430m, 430um, 450m
- Intel Core_i7 — versions 7y75, 610e, 620le
- Intel Core_m — versions 5y10, 5y10a, 5y10c
- Intel Core_m3 — versions 6y30, 7y30, 7y32
- Intel Core_m5 — versions 6y54, 6y57
- Intel Core_m7 — versions 6y75
- Intel Corporation Core-based Microprocessors — versions All
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@intel.com (mailing-list, x_refsource_MLIST, Third Party Advisory)
- secure@intel.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secure@intel.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- secure@intel.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- secure@intel.com (mailing-list, x_refsource_MLIST, Third Party Advisory)
- secure@intel.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secure@intel.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secure@intel.com (x_refsource_FREEBSD, vendor-advisory, Third Party Advisory)
- secure@intel.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- secure@intel.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-3665?
- CVE-2018-3665 is a medium-severity vulnerability in Citrix Xenserver, classified under Information Disclosure. CVSS score: 5.6/10. Published 2018-06-21.
- How severe is CVE-2018-3665?
- Medium severity. CVSS v3 base score is 5.6 out of 10.
- Is CVE-2018-3665 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.