Linux Struck by Exploitable Root Access Sudo Vulnerability, Patch ASAP
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Re: Linux Struck by Exploitable Root Access Sudo Vulnerability, Patch ASAP
#2Previously discussed here: https://news.ycombinator.com/item?id=25919235
Re: Linux Struck by Exploitable Root Access Sudo Vulnerability, Patch ASAP
#3I know that the article specifically says that ASLR was defeated, but I wonder if these other compiler/linker mitigations prevent (some of) these vulnerabilities (specifically fortify)?
The "hardening-check" perl script is available from EPEL on redhat platforms. Here I use it to report mitigations in an old FWTK component that I use for an internal legacy system.
$ hardening-check /home/fwjail/usr/local/etc/ftp-gw
/home/fwjail/usr/local/etc/ftp-gw:
Position Independent Executable: yes
Stack protected: yes
Fortify Source functions: yes (some protected functions found)
Read-only relocations: yes
Immediate binding: yes
$ rpm -qi hardening-check | grep ^URL
URL : http://packages.debian.org/hardening-wrapper