CVE-2011-2527 Privilege escalation in n/a
Local guest users can access restricted host files due to improper privilege dropping in QEMU when using the -runas option.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-2527?
CVE-2011-2527 is a low-severity vulnerability in Qemu Qemu, published on 21 Jun 2012. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The change_process_uid function in os-posix.c in Qemu 0.14.0 and earlier does not properly drop group privileges when the -runas option is used, which allows local guest users to access restricted files on the host.
Weakness: CWE-264
Which versions are affected by CVE-2011-2527?
It affects 1 product.
Linux distribution packages (16)
qemu-img Red Hat:enterprise_linux:6::client | All versions | 2:0.12.1.2-2.209.el6 |
qemu-kvm Red Hat:enterprise_linux:6::client | All versions | 2:0.12.1.2-2.209.el6 |
qemu-kvm-debuginfo Red Hat:enterprise_linux:6::client | All versions | 2:0.12.1.2-2.209.el6 |
qemu-kvm-tools Red Hat:enterprise_linux:6::client | All versions | 2:0.12.1.2-2.209.el6 |
qemu-img Red Hat:enterprise_linux:6::computenode | All versions | 2:0.12.1.2-2.209.el6 |
qemu-kvm Red Hat:enterprise_linux:6::computenode | All versions | 2:0.12.1.2-2.209.el6 |
qemu-kvm-debuginfo Red Hat:enterprise_linux:6::computenode | All versions | 2:0.12.1.2-2.209.el6 |
qemu-kvm-tools Red Hat:enterprise_linux:6::computenode | All versions | 2:0.12.1.2-2.209.el6 |
qemu-img Red Hat:enterprise_linux:6::server | All versions | 2:0.12.1.2-2.209.el6 |
qemu-kvm Red Hat:enterprise_linux:6::server | All versions | 2:0.12.1.2-2.209.el6 |
qemu-kvm-debuginfo Red Hat:enterprise_linux:6::server | All versions | 2:0.12.1.2-2.209.el6 |
qemu-kvm-tools Red Hat:enterprise_linux:6::server | All versions | 2:0.12.1.2-2.209.el6 |
qemu-img Red Hat:enterprise_linux:6::workstation | All versions | 2:0.12.1.2-2.209.el6 |
qemu-kvm Red Hat:enterprise_linux:6::workstation | All versions | 2:0.12.1.2-2.209.el6 |
qemu-kvm-debuginfo Red Hat:enterprise_linux:6::workstation | All versions | 2:0.12.1.2-2.209.el6 |
qemu-kvm-tools Red Hat:enterprise_linux:6::workstation | All versions | 2:0.12.1.2-2.209.el6 |
Products include Qemu Qemu.
How do I fix CVE-2011-2527?
Apply the vendor's patch.
Is CVE-2011-2527 being exploited?
There is no known exploitation of CVE-2011-2527 in the wild and no public exploit code.
Other vulnerabilities in Qemu Qemu
Sources
Also known as GHSA-6g2j-9xh2-rw37, RHSA-2011:1531.