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| author | Stanislav Malyshev <stas@php.net> | 2015-03-17 21:59:56 -0700 |
|---|---|---|
| committer | Julien Pauli <jpauli@php.net> | 2015-03-18 10:39:34 +0100 |
| commit | 4a8d8b4154334b1714e19b82b061201d41dc87d6 (patch) | |
| tree | a2134c5fdf663eaff7d2cd6f3345613f6167517a | |
| parent | 94e7638d9a04ebb82433147ef65e70a85d988074 (diff) | |
| download | php-git-4a8d8b4154334b1714e19b82b061201d41dc87d6.tar.gz | |
Fix bug #69253 - ZIP Integer Overflow leads to writing past heap boundary
| -rw-r--r-- | ext/zip/lib/zip_dirent.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/zip/lib/zip_dirent.c b/ext/zip/lib/zip_dirent.c index b9dac5c989..0090801af2 100644 --- a/ext/zip/lib/zip_dirent.c +++ b/ext/zip/lib/zip_dirent.c @@ -101,7 +101,7 @@ _zip_cdir_new(int nentry, struct zip_error *error) return NULL; } - if ((cd->entry=(struct zip_dirent *)malloc(sizeof(*(cd->entry))*nentry)) + if ( nentry > ((size_t)-1)/sizeof(*(cd->entry)) || (cd->entry=(struct zip_dirent *)malloc(sizeof(*(cd->entry))*(size_t)nentry)) == NULL) { _zip_error_set(error, ZIP_ER_MEMORY, 0); free(cd); |