Auth bypass in Citrix Xenserver
CVE-2015-4106
QEMU does not properly restrict write access to the PCI config space for certain PCI pass-through devices, which might allow local x86 HVM guests to gain privileges, cause a denial of service (host crash), obtain sensitive information, or possibly have other unspecified impact via unknown vectors.
Vulnerability class: Broken Access Control
EPSS: 0.005 (39.0th percentile) — read the EPSS interpretation.
Affected products
- Citrix Xenserver — versions 6.0, 6.0.2, 6.1.0
- Qemu
- Canonical Ubuntu_linux — versions 12.04, 14.04, 14.10
- Debian Debian_linux — versions 7.0, 8.0
- Fedoraproject Fedora — versions 20, 21, 22
- Suse Linux_enterprise_desktop — versions 11, 12
- Suse Linux_enterprise_server — versions 11, 12
- Suse Linux_enterprise_software_development_kit — versions 11, 12
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2015-4106?
- CVE-2015-4106 is a vulnerability in Citrix Xenserver, classified under Incorrect Authorization. Published 2015-06-03.
- Is CVE-2015-4106 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.