GNU bug report logs - #69777
Please add a test for CVE-2024-27297

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Message #8 received at 69777 <at> debbugs.gnu.org (full text, mbox):

From: Vagrant Cascadian <vagrant <at> debian.org>
To: 69777 <at> debbugs.gnu.org
Subject: Re: Please add a test for CVE-2024-27297
Date: Wed, 13 Mar 2024 16:10:13 -0700

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On 2024-03-13, Vagrant Cascadian wrote:
> It would be really nice, especially for downstream distributors, if
> there was a test for CVE-2024-27297.
>
> There is working code to test this in the excellent blog post on the
> subject, which is a likely good starting point!
>
>   https://guix.gnu.org/en/blog/2024/fixed-output-derivation-sandbox-bypass-cve-2024-27297/
>
> Super extra bonus points if the test is backwards compatible with guix
> 1.4 and 1.2 :)

FWIW, the reproducer from the blog is not working for me with guix 1.2:

guix build -f guix-cve-2024-27297 -M4
/home/vagrant/guix-cve-2024-27297:20:7: warning: importing module (guix config) from the host
/home/vagrant/guix-cve-2024-27297:20:7: warning: importing module (guix config) from the host
substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
The following derivations will be built:
   /gnu/store/dirlf6m5kb6by220qivwj10r677ylb39-checking-for-vulnerability.drv
   /gnu/store/90ysjngcdr0z5mcxprryxpp2413mly8z-derivation-that-exfiltrates-fd-65f22e2a-11731.drv
   /gnu/store/ndny5r3l0s2vq1nal4raskl9pb0badc3-sender.drv
   /gnu/store/m1ln7m49qrd5jbg0rhjwgb3p5v4iqv1p-derivation-that-grabs-fd-65f22e2a-11731.drv
   /gnu/store/n7zss6k3999bm566n6xwqgc5672mw5yr-receiver.drv
building /gnu/store/n7zss6k3999bm566n6xwqgc5672mw5yr-receiver.drv...
building /gnu/store/ndny5r3l0s2vq1nal4raskl9pb0badc3-sender.drv...
Backtrace:
           4 (primitive-load "/gnu/store/2vg1l5pb6jgbrg3iivzj01gl0n8?")
In ice-9/eval.scm:
    619:8  3 (_ #f)
   191:27  2 (_ #f)
   223:20  1 (proc #<directory (guile-user) 7ffff5bb7f00>)
In unknown file:
           0 (%resolve-variable (7 . load-profile) #<directory (guil?>)

ERROR: In procedure %resolve-variable:
Unbound variable: load-profile
Backtrace:
           4 (primitive-load "/gnu/store/c4a9kl1p4xs8fmw2w5smaim04cy?")
In ice-9/eval.scm:
    619:8  3 (_ #f)
   191:27  2 (_ #f)
   223:20  1 (proc #<directory (guile-user) 7ffff5bb7f00>)
In unknown file:
           0 (%resolve-variable (7 . load-profile) #<directory (guil?>)


ERROR: In procedure %resolve-variable:
Unbound variable: load-profile
builder for `/gnu/store/ndny5r3l0s2vq1nal4raskl9pb0badc3-sender.drv' failed with exit code 1
build of /gnu/store/ndny5r3l0s2vq1nal4raskl9pb0badc3-sender.drv failed
View build log at '/var/log/guix/drvs/nd/ny5r3l0s2vq1nal4raskl9pb0badc3-sender.drv.bz2'.
cannot build derivation `/gnu/store/90ysjngcdr0z5mcxprryxpp2413mly8z-derivation-that-exfiltrates-fd-65f22e2a-11731.drv': 1 dependenc
ies couldn't be built
cannot build derivation `/gnu/store/dirlf6m5kb6by220qivwj10r677ylb39-checking-for-vulnerability.drv': 1 dependencies couldn't be bui
lt
guix build: error: build of `/gnu/store/dirlf6m5kb6by220qivwj10r677ylb39-checking-for-vulnerability.drv' failed


I guess I can try "guix pull" to something current to run it...

live well,
  vagrant

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