Re: [Haifux] The Bash vulnerability (shellshock)

[boazg]

you need to find a vulnerable site. CGI doesn't have to pass through bash.
you need a site that opens a subshell for something. they aren't uncommon,
but it's not every linux-CGI site.

On Fri, Sep 26, 2014 at 2:33 PM, Eli Billauer e...@billauer.co.il wrote:

 Hi,

 I did

 # yum upgrade bash

 on Haifux' server, and it's off the hook. But I was also surprised that it
 the attack failed even before that.

Eli


 On 26/09/14 12:39, guy keren wrote:

 On 09/26/2014 12:30 PM, Eli Billauer wrote:

 env x='() { :;}; echo vulnerable' bash -c 'echo This is a test'


 you're too late - there's a (partial?) fix being distributed around...

 --guy
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Re: [Haifux] The Bash vulnerability (shellshock)

[boazg]

try it with DHCP instead
https://www.trustedsec.com/september-2014/shellshock-dhcp-rce-proof-concept/

On Sat, Sep 27, 2014 at 11:36 AM, boazg boaz.ge...@gmail.com wrote:

 you need to find a vulnerable site. CGI doesn't have to pass through bash.
 you need a site that opens a subshell for something. they aren't uncommon,
 but it's not every linux-CGI site.

 On Fri, Sep 26, 2014 at 2:33 PM, Eli Billauer e...@billauer.co.il wrote:

 Hi,

 I did

 # yum upgrade bash

 on Haifux' server, and it's off the hook. But I was also surprised that
 it the attack failed even before that.

Eli


 On 26/09/14 12:39, guy keren wrote:

 On 09/26/2014 12:30 PM, Eli Billauer wrote:

 env x='() { :;}; echo vulnerable' bash -c 'echo This is a test'


 you're too late - there's a (partial?) fix being distributed around...

 --guy
 ___
 Haifux mailing list
 Haifux@haifux.org
 http://haifux.org/mailman/listinfo/haifux



 --
 Web: http://www.billauer.co.il


 ___
 Haifux mailing list
 Haifux@haifux.org
 http://haifux.org/mailman/listinfo/haifux



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Re: [Haifux] The Bash vulnerability (shellshock)

[Guy Edri]

Hey Eli.

http://www.tripwire.com/state-of-security/off-topic/shell-shocked-bash-bug-detection-tools-cve-2014-6271/

http://shellshocktest.com/

https://github.com/mubix/shellshocker-pocs

enjoy your PT with all those tools.

On Sat, Sep 27, 2014 at 11:37 AM, boazg boaz.ge...@gmail.com wrote:

 try it with DHCP instead

 https://www.trustedsec.com/september-2014/shellshock-dhcp-rce-proof-concept/

 On Sat, Sep 27, 2014 at 11:36 AM, boazg boaz.ge...@gmail.com wrote:

 you need to find a vulnerable site. CGI doesn't have to pass through
 bash. you need a site that opens a subshell for something. they aren't
 uncommon, but it's not every linux-CGI site.

 On Fri, Sep 26, 2014 at 2:33 PM, Eli Billauer e...@billauer.co.il wrote:

 Hi,

 I did

 # yum upgrade bash

 on Haifux' server, and it's off the hook. But I was also surprised that
 it the attack failed even before that.

Eli


 On 26/09/14 12:39, guy keren wrote:

 On 09/26/2014 12:30 PM, Eli Billauer wrote:

 env x='() { :;}; echo vulnerable' bash -c 'echo This is a test'


 you're too late - there's a (partial?) fix being distributed around...

 --guy
 ___
 Haifux mailing list
 Haifux@haifux.org
 http://haifux.org/mailman/listinfo/haifux



 --
 Web: http://www.billauer.co.il


 ___
 Haifux mailing list
 Haifux@haifux.org
 http://haifux.org/mailman/listinfo/haifux




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 Haifux@haifux.org
 http://haifux.org/mailman/listinfo/haifux




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