FreeBSD Security Advisory (FreeBSD-SA-09:16.rtld.asc)

The remote host is missing an update to the system as announced in the referenced advisory FreeBSD-SA-09:16.rtld.asc SPDX-FileCopyrightText: 2009 E-Soft Inc. Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...

Code injection

The rtld function in the Run-Time Link-Editor rtld in libexec/rtld-elf/rtld.c in FreeBSD 7.1 and 8.0 does not clear the 1 LDLIBMAP, 2 LDLIBRARYPATH, 3 LDLIBMAPDISABLE, 4 LDDEBUG, and 5 LDELFHINTSPATH environment variables, which allows local users to gain privileges by executing a setuid or setgu...

CVE-2009-4146

The rtld function in the Run-Time Link-Editor rtld in libexec/rtld-elf/rtld.c in FreeBSD 7.1, 7.2, and 8.0 does not clear the LDPRELOAD environment variable, which allows local users to gain privileges by executing a setuid or setguid program with a modified LDPRELOAD variable containing an...

CVE-2009-4146

The CVE-2009-4146 entry concerns FreeBSD's run-time linker (rtld) in libexec/rtld-elf/rtld.c. The underlying issue is that rtld's unsetenv logic does not clear LD_PRELOAD when __findenv() fails, enabling a local user to influence library loading via a modified LD_PRELOAD path and gain privileges ...

Serious Zero-Day Flaw Found in FreeBSD, Exploit Published

A researcher has published an explanation of a new flaw in FreeBSD that allows an attacker to take control of a vulnerable machine. The vulnerability could give an attacker root access to the FreeBSD machine, and the FreeBSD developers have published a patch for the flaw early Tuesday. The...

** FreeBSD local r00t zeroday

FreeBSD local r00t 0day Discovered & Exploited by Nikolaos Rangos also known as Kingcope. Nov 2009 "BiG TiME" "Go fetch your FreeBSD r00tkitz" // http://www.youtube.com/watch?v=dDnhthI27Fg There is an unbelievable simple local r00t bug in recent FreeBSD versions. I audited FreeBSD for local r00t...

FreeBSD rtld Local Root Exploit

FreeBSD local r00t 0day Discovered & Exploited by Nikolaos Rangos also known as Kingcope. Nov 2009 "BiG TiME" "Go fetch your FreeBSD r00tkitz" // http://www.youtube.com/watch?v=dDnhthI27Fg There is an unbelievable simple local r00t bug in recent FreeBSD versions. I audited FreeBSD for local r00t...