SB2012080703 - Permissions, Privileges, and Access Controls in openvswitch
Published: August 7, 2012 Updated: August 11, 2020
Security Bulletin ID
SB2012080703
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2012-3449)
The vulnerability allows a remote non-authenticated attacker to manipulate or delete data.
Open vSwitch 1.4.2 uses world writable permissions for (1) /var/lib/openvswitch/pki/controllerca/incoming/ and (2) /var/lib/openvswitch/pki/switchca/incoming/, which allows local users to delete and overwrite arbitrary files.
Remediation
Install update from vendor's website.
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=683665
- http://www.openwall.com/lists/oss-security/2012/08/02/6
- http://www.openwall.com/lists/oss-security/2012/08/03/6
- http://www.securityfocus.com/bid/54789
- http://www.securityfocus.com/bid/54794
- https://bugzilla.redhat.com/show_bug.cgi?id=845350
- https://exchange.xforce.ibmcloud.com/vulnerabilities/77417