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Red Hat Bugzilla – Attachment 245931 Details for
Bug 280961
CVE-2007-4476 tar/cpio stack crashing in safer_name_suffix
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[patch]
new patch for cpio-2.6 (this one frees malloc'd memory)
cpio-2.6-safer_name_suffix.patch (text/plain), 603 bytes, created by
Radek Brich
on 2007-11-01 18:43:20 UTC
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Description:
new patch for cpio-2.6 (this one frees malloc'd memory)
Filename:
MIME Type:
Creator:
Radek Brich
Created:
2007-11-01 18:43:20 UTC
Size:
603 bytes
patch
obsolete
>diff -up cpio-2.6/src/copyin.c.safer_name_suffix cpio-2.6/src/copyin.c >--- cpio-2.6/src/copyin.c.safer_name_suffix 2007-10-24 17:27:52.000000000 +0200 >+++ cpio-2.6/src/copyin.c 2007-11-01 15:59:39.000000000 +0100 >@@ -1382,12 +1382,13 @@ safer_name_suffix (char const *file_name > > if (prefix_len) > { >- char *prefix = alloca (prefix_len + 1); >+ char *prefix = xmalloc (prefix_len + 1); > memcpy (prefix, file_name, prefix_len); > prefix[prefix_len] = '\0'; > > > error (0, 0, _("Removing leading `%s' from member names"), prefix); >+ free(prefix); > } > > if (!*p)
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