Improper Authentication in QEMU - CVE-2011-0011
Published: June 21, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43973
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-0011
CWE-ID: CWE-287
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: QEMU
Affected software:
QEMU
QEMU
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
qemu-kvm before 0.11.0 disables VNC authentication when the password is cleared, which allows remote attackers to bypass authentication and establish VNC sessions.
How to mitigate CVE-2011-0011
Install update from vendor's website.
Sources
- http://rhn.redhat.com/errata/RHSA-2011-0345.html
- http://secunia.com/advisories/42830
- http://secunia.com/advisories/43272
- http://secunia.com/advisories/43733
- http://secunia.com/advisories/44393
- http://ubuntu.com/usn/usn-1063-1
- http://www.openwall.com/lists/oss-security/2011/01/10/3
- http://www.openwall.com/lists/oss-security/2011/01/11/1
- http://www.openwall.com/lists/oss-security/2011/01/12/2
- http://www.osvdb.org/70992
- https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/697197
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65215