Re: Environment variable of a name which is often used

2014-09-26 Thread Norihiro Tanaka
Eric Blake wrote: > This is a known issue, but NOT necessarily a security bug. In other > words, it's no worse than running: > > env LD_PRELOAD=... ./test.sh > > with a malicious preload library. Remember, the security aspect of > CVE-2014-6271 is that bash does unwanted parsing of the _content

Re: Environment variable of a name which is often used

2014-09-26 Thread Eric Blake
On 09/26/2014 11:31 AM, Norihiro Tanaka wrote: > I tried 4.3.25 in order to check the details of CVE-2014-6271, and > confirmed that the bug is fixed with a test case. > > Next, I tried following case, and receive an output `rm -rf /'. I seem > that is designed, but it's also vulnerable. > > $ c