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CVE-2013-3077

Status Candidate

Overview

Multiple integer overflows in the IP_MSFILTER and IPV6_MSFILTER features in (1) sys/netinet/in_mcast.c and (2) sys/netinet6/in6_mcast.c in the multicast implementation in the kernel in FreeBSD 8.3 through 9.2-PRERELEASE allow local users to bypass intended restrictions on kernel-memory read and write operations, and consequently gain privileges, via vectors involving a large number of source-filter entries.

Related Files

Debian Security Advisory 2743-1
Posted Aug 27, 2013
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2743-1 - Several vulnerabilities have been discovered in the FreeBSD kernel that may lead to a privilege escalation or information leak.

tags | advisory, kernel, vulnerability
systems | linux, freebsd, debian
advisories | CVE-2013-3077, CVE-2013-4851, CVE-2013-5209
SHA-256 | 569d8b0cda13d3a73e841bf15e6cefd040a645974771d3bc8fc7fc5adeea0929
FreeBSD Security Advisory - IP_MSFILTER Integer Overflow
Posted Aug 23, 2013
Authored by Clement LECIGNE | Site security.freebsd.org

FreeBSD Security Advisory - An integer overflow in computing the size of a temporary buffer can result in a buffer which is too small for the requested operation. An unprivileged process can read or write pages of memory which belong to the kernel. These may lead to exposure of sensitive information or allow privilege escalation.

tags | advisory, overflow, kernel
systems | freebsd
advisories | CVE-2013-3077
SHA-256 | 831fd4ba520eff2086ca0682aa7616522338d8662d219c74c434ceb7166343db
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