diff options
| author |  Greg Hudson <ghudson@mit.edu> | 2002-09-10 12:04:29 +0000 |
|---|---|---|
| committer | Greg Hudson <ghudson@mit.edu> | 2002-09-10 12:04:29 +0000 |
| commit | b256f8f2f822f0c5667839addeb026af0b037c18 (patch) | |
| tree | 2b3f3af9bbb13dc6433945227837a712ee3d5e1f /lib/Zinternal.c | |
| parent | 5b7a43743c9f7b4cb29e40a1a07b4f468c7770c0 (diff) | |
Fix buffer overruns.
Diffstat (limited to 'lib/Zinternal.c')
| -rw-r--r-- | lib/Zinternal.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Zinternal.c b/lib/Zinternal.c index 9fb9a3f..1a3fcec 100644 --- a/lib/Zinternal.c +++ b/lib/Zinternal.c @@ -471,6 +471,11 @@ Code_t Z_AddNoticeToEntry(qptr, notice, part) struct _Z_Hole *hole, *lasthole; struct timeval tv; + /* Bounds check. */ + if (part < 0 || notice->z_message_len < 0 || part > qptr->msg_len + || notice->z_message_len > qptr->msg_len - part) + return (ZERR_NONE); + /* Incorporate this notice's checked authentication. */ if (notice->z_checked_auth == ZAUTH_FAILED) qptr->auth = ZAUTH_FAILED; |