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libarchive
fix-CVE-2017-14166.patch
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File fix-CVE-2017-14166.patch of Package libarchive
commit fa7438a0ff4033e4741c807394a9af6207940d71 Author: Joerg Sonnenberger <joerg@bec.de> Date: Tue Sep 5 18:12:19 2017 +0200 Do something sensible for empty strings to make fuzzers happy. diff --git a/libarchive/archive_read_support_format_xar.c b/libarchive/archive_read_support_format_xar.c index 7a22beb9..93eeacc5 100644 --- a/libarchive/archive_read_support_format_xar.c +++ b/libarchive/archive_read_support_format_xar.c @@ -1040,6 +1040,9 @@ atol10(const char *p, size_t char_cnt) uint64_t l; int digit; + if (char_cnt == 0) + return (0); + l = 0; digit = *p - '0'; while (digit >= 0 && digit < 10 && char_cnt-- > 0) { @@ -1054,7 +1057,10 @@ atol8(const char *p, size_t char_cnt) { int64_t l; int digit; - + + if (char_cnt == 0) + return (0); + l = 0; while (char_cnt-- > 0) { if (*p >= '0' && *p <= '7')
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