[oe-commits] [openembedded-core] 10/19: cve-check: allow comparison of Vendor as well as Product

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rpurdie pushed a commit to branch master
in repository openembedded-core.

commit e6bf90009877d00243417898700d2320fd87b39c
Author: Ross Burton <ross.burton at intel.com>
AuthorDate: Wed Jul 17 11:45:36 2019 +0100

    cve-check: allow comparison of Vendor as well as Product
    
    Some product names are too vague to be searched without also matching the
    vendor, for example Flex could be the parser compiler we ship, or Adobe Flex, or
    Apache Flex, or IBM Flex.
    
    If entries in CVE_PRODUCT contain a colon then split it as vendor:product to improve the search.
    
    Also don't use .format() to construct SQL as that can lead to security
    issues. Instead, use ? placeholders and lets sqlite3 handle the escaping.
    
    Signed-off-by: Ross Burton <ross.burton at intel.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/classes/cve-check.bbclass | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/meta/classes/cve-check.bbclass b/meta/classes/cve-check.bbclass
index 2a13816..e8668b2 100644
--- a/meta/classes/cve-check.bbclass
+++ b/meta/classes/cve-check.bbclass
@@ -190,12 +190,16 @@ def check_cves(d, patched_cves):
     import sqlite3
     db_file = d.getVar("CVE_CHECK_DB_FILE")
     conn = sqlite3.connect(db_file)
-    c = conn.cursor()
-
-    query = "SELECT * FROM PRODUCTS WHERE PRODUCT IS '{0}';"
 
     for product in products:
-        for row in c.execute(query.format(product, pv)):
+        c = conn.cursor()
+        if ":" in product:
+            vendor, product = product.split(":", 1)
+            c.execute("SELECT * FROM PRODUCTS WHERE PRODUCT IS ? AND VENDOR IS ?", (product, vendor))
+        else:
+            c.execute("SELECT * FROM PRODUCTS WHERE PRODUCT IS ?", (product,))
+
+        for row in c:
             cve = row[1]
             version_start = row[4]
             operator_start = row[5]

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