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* bug#38422: .png files in /gnu/store with executable permissions (555)
@ 2019-11-29  7:59 Bengt Richter
  2019-11-29  9:49 ` Ricardo Wurmus
                   ` (3 more replies)
  0 siblings, 4 replies; 16+ messages in thread
From: Bengt Richter @ 2019-11-29  7:59 UTC (permalink / raw)
  To: 38422

Hi Guix,

I was wanting to check on some executable files in the store,
and happened to see some executable .png files ;-/

I suspect they came in when I was playing with icecat
and let it load  a "theme", but I am not sure some didn't
also happen trying to get firefox radio buttons to work ;-/

Anyway, does anyone else get 555 permissions on files like these?
These are all *.png files with 555 permissons, but I trimmed back to see common prefixes.
Obviously the moka-con-theme was most of it, but also faba and docbook look iffy.

Is this zero-day stuff with a nasty somewhere, waiting for referencing by another nasty, or am I being paranoid?
What is the safe way to detoxify this mess? I know I shouldn't directly chmod anything in store, right?

The icecat discussion got moved to mozilla, but in case someone else did whatever I did,
I thought I'd post a heads-up here.
I'll try to cc Mark :)

$ find /gnu -type f -perm /111 -iname '*png'|xargs stat -c '%a %A %N'|cut -d '-' -f5,6,7,8|less|uniq -c|less
--8<---------------cut here---------------start------------->8---
      1 x '/gnu/store/.links/1s94fymqj8xba55rg8xbdni9a215kxsxkddyh2qyb7y6fl7srpng'
      1 x '/gnu/store/.links/05dsk06ffdwgjdqgsy03zhnsrcd44yyi8ylk9qyb1a3n89aplpng'
     97 x '/gnu/store/jf7i57glqykwgm1k7zb5k8x6f1yd47l8-faba-icon-theme
      1 x '/gnu/store/k83hj06qj142xv6rqpfh3mcdf3149q09-gd-2.2.5/bin/gdparttopng'
      1 x '/gnu/store/k83hj06qj142xv6rqpfh3mcdf3149q09-gd-2.2.5/bin/gdtopng'
      1 x '/gnu/store/k83hj06qj142xv6rqpfh3mcdf3149q09-gd-2.2.5/bin/webpng'
      1 x '/gnu/store/k83hj06qj142xv6rqpfh3mcdf3149q09-gd-2.2.5/bin/gd2topng'
      1 x '/gnu/store/x9c77i6r5fmarslij6ng81awgrxblplm-texlive-bin-20180414/bin/dvipng'
  34143 x '/gnu/store/yg6skr4v6vnj04rm5k9h3pa81mjivba7-moka-icon-theme
      1 x '/gnu/store/7mxkdn6cp7x8sac49p2g80qw5j1aavi3-texlive-20180414/bin/dvipng'
     62 x '/gnu/store/6d79d8za76pj5f2flhckpmdvdgqhqxaa-docbook-xsl-1.79.1/xml/xsl/docbook
      1 x '/gnu/store/azd3rg350gjkgzvzps3s4j3kpz5kxh57-texlive-bin-20180414/bin/dvipng'
      1 x '/gnu/store/9w1hi2hr4zczc5jd5r2xmff9zf4gwc1n-texlive-union-49435/bin/dvipng'
      1 x '/gnu/store/5hv33gy8w247v3dcf4dfa8p0ijkmiz5x-gd-2.2.5/bin/gdparttopng'
      1 x '/gnu/store/5hv33gy8w247v3dcf4dfa8p0ijkmiz5x-gd-2.2.5/bin/gdtopng'
      1 x '/gnu/store/5hv33gy8w247v3dcf4dfa8p0ijkmiz5x-gd-2.2.5/bin/webpng'
      1 x '/gnu/store/5hv33gy8w247v3dcf4dfa8p0ijkmiz5x-gd-2.2.5/bin/gd2topng'
      1 x '/gnu/store/9jgmsnx36wv8ymgalwd1zlmq3z34bqf0-gd-2.2.5/bin/gdparttopng'
      1 x '/gnu/store/9jgmsnx36wv8ymgalwd1zlmq3z34bqf0-gd-2.2.5/bin/gdtopng'
      1 x '/gnu/store/9jgmsnx36wv8ymgalwd1zlmq3z34bqf0-gd-2.2.5/bin/webpng'
      1 x '/gnu/store/9jgmsnx36wv8ymgalwd1zlmq3z34bqf0-gd-2.2.5/bin/gd2topng'

--8<---------------cut here---------------end--------------->8---

-- 
Regards,
Bengt Richter

^ permalink raw reply	[flat|nested] 16+ messages in thread

end of thread, other threads:[~2020-01-27 19:57 UTC | newest]

Thread overview: 16+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2019-11-29  7:59 bug#38422: .png files in /gnu/store with executable permissions (555) Bengt Richter
2019-11-29  9:49 ` Ricardo Wurmus
2019-11-29 10:59   ` zimoun
2019-11-29 11:28   ` Tobias Geerinckx-Rice via Bug reports for GNU Guix
2019-11-29 12:22   ` Bengt Richter
2019-11-29 12:20 ` Mark H Weaver
2019-11-29 15:03   ` Bengt Richter
2019-11-30  4:08     ` Mark H Weaver
2019-11-30  4:24       ` Brett Gilio
2019-11-30  7:45       ` Julien Lepiller
2019-11-30 20:07         ` Bengt Richter
2019-12-02 15:20           ` zimoun
2020-01-22  0:22 ` bug#38422: Bug status? '.png' files with executable permissions zimoun
2020-01-22  2:28   ` Bengt Richter
2020-01-27 19:55     ` zimoun
2020-01-22  0:31 ` bug#38422: zimoun

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