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SUSE:SLE-12-SP5:GA
zziplib.6930
CVE-2018-6381.patch
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File CVE-2018-6381.patch of Package zziplib.6930
Index: zziplib-0.13.67/zzip/memdisk.c =================================================================== --- zziplib-0.13.67.orig/zzip/memdisk.c +++ zziplib-0.13.67/zzip/memdisk.c @@ -209,6 +209,14 @@ zzip_mem_entry_new(ZZIP_DISK * disk, ZZI item->zz_diskstart = zzip_disk_entry_get_diskstart(entry); item->zz_filetype = zzip_disk_entry_get_filetype(entry); + /* + * If the file is uncompressed, zz_csize and zz_usize should be the same + * If they are not, we cannot guarantee that either is correct, so ... + */ + if (item->zz_compr == ZZIP_IS_STORED && item->zz_csize != item->zz_usize) + { + goto error; + } /* zz_comment and zz_name are empty strings if not present on disk */ if (! item->zz_comment || ! item->zz_name) {
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