From e10349ab8dda8a3f11be6aa19f2b6e29fe814044 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Fri, 23 Feb 2018 11:04:39 +0100
Subject: Update NSS to 3.35-RTM

---
 security/nss/lib/dbm/src/h_page.c | 15 +++++++++++++++
 security/nss/lib/dbm/src/hash.c   |  3 +--
 2 files changed, 16 insertions(+), 2 deletions(-)

(limited to 'security/nss/lib/dbm')

diff --git a/security/nss/lib/dbm/src/h_page.c b/security/nss/lib/dbm/src/h_page.c
index bf1252aeb..e5623224b 100644
--- a/security/nss/lib/dbm/src/h_page.c
+++ b/security/nss/lib/dbm/src/h_page.c
@@ -426,6 +426,9 @@ ugly_split(HTAB *hashp, uint32 obucket, BUFHEAD *old_bufp,
     last_bfp = NULL;
     scopyto = (uint16)copyto; /* ANSI */
 
+    if (ino[0] < 1) {
+        return DATABASE_CORRUPTED_ERROR;
+    }
     n = ino[0] - 1;
     while (n < ino[0]) {
 
@@ -463,7 +466,13 @@ ugly_split(HTAB *hashp, uint32 obucket, BUFHEAD *old_bufp,
              * Fix up the old page -- the extra 2 are the fields
              * which contained the overflow information.
              */
+            if (ino[0] < (moved + 2)) {
+                return DATABASE_CORRUPTED_ERROR;
+            }
             ino[0] -= (moved + 2);
+            if (scopyto < sizeof(uint16) * (ino[0] + 3)) {
+                return DATABASE_CORRUPTED_ERROR;
+            }
             FREESPACE(ino) =
                 scopyto - sizeof(uint16) * (ino[0] + 3);
             OFFSET(ino) = scopyto;
@@ -486,8 +495,14 @@ ugly_split(HTAB *hashp, uint32 obucket, BUFHEAD *old_bufp,
         for (n = 1; (n < ino[0]) && (ino[n + 1] >= REAL_KEY); n += 2) {
             cino = (char *)ino;
             key.data = (uint8 *)cino + ino[n];
+            if (off < ino[n]) {
+                return DATABASE_CORRUPTED_ERROR;
+            }
             key.size = off - ino[n];
             val.data = (uint8 *)cino + ino[n + 1];
+            if (ino[n] < ino[n + 1]) {
+                return DATABASE_CORRUPTED_ERROR;
+            }
             val.size = ino[n] - ino[n + 1];
             off = ino[n + 1];
 
diff --git a/security/nss/lib/dbm/src/hash.c b/security/nss/lib/dbm/src/hash.c
index b80aad4d3..98b1c07c7 100644
--- a/security/nss/lib/dbm/src/hash.c
+++ b/security/nss/lib/dbm/src/hash.c
@@ -704,8 +704,7 @@ hash_put(
         return (DBM_ERROR);
     }
 
-    rv = hash_access(hashp, flag == R_NOOVERWRITE ? HASH_PUTNEW
-                                                  : HASH_PUT,
+    rv = hash_access(hashp, flag == R_NOOVERWRITE ? HASH_PUTNEW : HASH_PUT,
                      (DBT *)key, (DBT *)data);
 
     if (rv == DATABASE_CORRUPTED_ERROR) {
-- 
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