Buffer overflow in Citrix Xenserver
CVE-2012-0217
The x86-64 kernel system-call functionality in Xen 4.1.2 and earlier, as used in Citrix XenServer 6.0.2 and earlier and other products; Oracle Solaris 11 and earlier; illumos before r13724; Joyent SmartOS before 20120614T184600Z; FreeBSD before 9.0-RELEASE-p3; NetBSD 6.0 Beta and earlier; Microsoft Windows Server 2008 R2 and R2 SP1 and Windows 7 Gold and SP1; and possibly other operating systems, when running on an Intel processor, incorrectly uses the sysret path in cases where a certain address is not a canonical address, which allows local users to gain privileges via a crafted application. NOTE: because this issue is due to incorrect use of the Intel specification, it should have been split into separate identifiers; however, there was some value in preserving the original mapping of the multi-codebase coordinated-disclosure effort to a single identifier.
Vulnerability class: Buffer Overflow
EPSS: 0.375 (98.4th percentile) — read the EPSS interpretation.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@debian.org (x_refsource_SECUNIA, third-party-advisory)
- security@debian.org (US Government Resource, x_refsource_CERT, third-party-advisory)
- security@debian.org (x_refsource_CONFIRM)
- security@debian.org (x_refsource_MS, vendor-advisory)
- security@debian.org (exploit, x_refsource_EXPLOIT-DB)
- security@debian.org (x_refsource_CONFIRM)
- security@debian.org (vendor-advisory, x_refsource_NETBSD)
- security@debian.org (vendor-advisory, x_refsource_GENTOO)
- security@debian.org (signature, x_refsource_OVAL, vdb-entry)
- security@debian.org (vendor-advisory, x_refsource_DEBIAN)
Frequently asked questions
- What is CVE-2012-0217?
- CVE-2012-0217 is a vulnerability in Citrix Xenserver, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2012-06-12.
- Is CVE-2012-0217 known to be exploited?
- 34 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.