SB2015020213 - Permissions, Privileges, and Access Controls in FreeBSD

Description

This security bulletin contains information about 1 security vulnerability.

1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2014-8612)

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Multiple array index errors in the Stream Control Transmission Protocol (SCTP) module in FreeBSD 10.1 before p5, 10.0 before p17, 9.3 before p9, and 8.4 before p23 allow local users to (1) gain privileges via the stream id to the setsockopt function, when setting the SCTIP_SS_VALUE option, or (2) read arbitrary kernel memory via the stream id to the getsockopt function, when getting the SCTP_SS_PRIORITY option.

Remediation

Install update from vendor's website.

References

• http://seclists.org/fulldisclosure/2015/Jan/107
• http://www.coresecurity.com/advisories/freebsd-kernel-multiple-vulnerabilities
• http://www.securityfocus.com/archive/1/534563/100/0/threaded
• http://www.securityfocus.com/bid/72342
• http://www.securitytracker.com/id/1031648
• https://www.freebsd.org/security/advisories/FreeBSD-SA-15:02.kmem.asc