FreeBSD Bugzilla – Attachment 206337 Details for
Bug 239700
cap_fileargs(3) is not robust against long paths
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[patch]
patch
239700.patch (text/plain), 606 bytes, created by
Mariusz Zaborski
on 2019-08-07 16:19:39 UTC
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Description:
patch
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Creator:
Mariusz Zaborski
Created:
2019-08-07 16:19:39 UTC
Size:
606 bytes
patch
obsolete
>diff --git a/lib/libcasper/services/cap_fileargs/cap_fileargs.c b/lib/libcasper/services/cap_fileargs/cap_fileargs.c >index f9b7da02beb..e9ed88458f2 100644 >--- a/lib/libcasper/services/cap_fileargs/cap_fileargs.c >+++ b/lib/libcasper/services/cap_fileargs/cap_fileargs.c >@@ -185,6 +185,11 @@ fileargs_create_limit(int argc, const char * const *argv, int flags, > nvlist_add_number(limits, "mode", (uint64_t)mode); > > for (i = 0; i < argc; i++) { >+ if (strlen(argv[i]) > MAXPATHLEN) { >+ nvlist_destroy(limits); >+ errno = ENAMETOOLONG; >+ return (NULL); >+ } > nvlist_add_null(limits, argv[i]); > } >
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bug 239700
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