SB2012020212 - Information exposure in Linux kernel
Published: February 2, 2012
Security Bulletin ID
SB2012020212
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information exposure (CVE-ID: CVE-2010-4563)
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The Linux kernel, when using IPv6, allows remote attackers to determine whether a host is sniffing the network by sending an ICMPv6 Echo Request to a multicast address and determining whether an Echo Reply is sent, as demonstrated by thcping.
Remediation
Install update from vendor's website.