CVE-2017-12424
In shadow before 4.5, the newusers tool could be made to manipulate internal data structures in ways unintended by the authors. Malformed input may lead to crashes (with a buffer overflow or other memory corruption) or other unspecified behaviors. This crosses a privilege boundary in, for example, certain web-hosting environments in which a Control Panel allows an unprivileged user account to create subaccounts.
| Software | From | Fixed in |
|---|---|---|
| shadow_project / shadow | - | 4.5 |
| debian / debian_linux | 9.0 | 9.0.x |
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=756630
- https://bugs.launchpad.net/ubuntu/+source/shadow/+bug/1266675
- https://github.com/shadow-maint/shadow/commit/954e3d2e7113e9ac06632aee3c69b8d818cc8952
- https://lists.debian.org/debian-lts-announce/2021/03/msg00020.html
- https://security.gentoo.org/glsa/201710-16
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