SB2012062106 - Improper Authentication in QEMU
Published: June 21, 2012 Updated: August 11, 2020
Security Bulletin ID
SB2012062106
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Authentication (CVE-ID: CVE-2011-0011)
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.
Remediation
Install update from vendor's website.
References
- 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