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ECC-1778: Crash: Decoding invalid BUFR file

This commit is contained in:
shahramn 2024-02-29 17:17:37 +00:00
parent ec5223618c
commit 81e84a282d
1 changed files with 3 additions and 0 deletions
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3
src/grib_io.cc
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@ -820,6 +820,9 @@ static int read_BUFR(reader* r, int no_alloc)
GROW_BUF_IF_REQUIRED(sec1len + sec2len + sec3len + 4 + 3); GROW_BUF_IF_REQUIRED(sec1len + sec2len + sec3len + 4 + 3);
/* Read section 3 */ /* Read section 3 */
if (sec3len < 5) {
return GRIB_INVALID_MESSAGE; // ECC-1778
}
if ((r->read(r->read_data, tmp + i, sec3len - 3, &err) != sec3len - 3) || err) if ((r->read(r->read_data, tmp + i, sec3len - 3, &err) != sec3len - 3) || err)
return err; return err;
i += sec3len - 3; i += sec3len - 3;