Bug 227330
| Summary: | [PATCH] usr.bin/cut: Fix out of boundary write on illegal list argument | ||||||
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| Product: | Base System | Reporter: | tobias | ||||
| Component: | bin | Assignee: | Eitan Adler <eadler> | ||||
| Status: | Closed FIXED | ||||||
| Severity: | Affects Only Me | CC: | cem, emaste | ||||
| Priority: | --- | Keywords: | patch | ||||
| Version: | CURRENT | ||||||
| Hardware: | Any | ||||||
| OS: | Any | ||||||
| Attachments: |
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A commit references this bug: Author: eadler Date: Wed May 23 09:16:21 UTC 2018 New revision: 334083 URL: https://svnweb.freebsd.org/changeset/base/334083 Log: cut: Fix out of boundary write on illegal list argument It is possible to trigger an out of boundary write in cut if an invalid range with autostart has been supplied. PR: 227330 Submitted by: tobias@stoeckmann.org Changes: head/usr.bin/cut/cut.c |
Created attachment 192296 [details] Patch to fix the issue It is possible to trigger an out of boundary write in cut if an invalid range with autostart has been supplied: $ cut -c -8000-2 Segmentation fault It is not verified that enough memory has been allocated for an autostart if a smaller stop value has been specified.