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Fix #4580 - thx @revskills

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This commit is contained in:
Álvaro Felipe Melchor 2016-04-09 11:47:35 +02:00
parent 91e161a626
commit df4cb535f0
1 changed files with 2 additions and 2 deletions
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4
libr/bin/format/elf/elf.c
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@ -562,7 +562,7 @@ static Sdb *store_versioninfo_gnu_verdef(struct Elf_(r_bin_elf_obj_t) *bin, Elf_
int isum = 0;
vstart += verdef->vd_aux;
if (vstart > end) {
if (vstart > end || vstart + sizeof(Elf_(Verdaux)) > end) {
sdb_free (sdb_verdef);
goto out_error;
}
@ -585,7 +585,7 @@ static Sdb *store_versioninfo_gnu_verdef(struct Elf_(r_bin_elf_obj_t) *bin, Elf_
Sdb *sdb_parent = sdb_new0 ();
isum += aux->vda_next;
vstart += aux->vda_next;
if (vstart > end) {
if (vstart > end || vstart + sizeof(Elf_(Verdaux)) > end) {
sdb_free (sdb_verdef);
sdb_free (sdb_parent);
goto out_error;