Package: release.debian.org User: release.debian....@packages.debian.org Usertags: pu Tags: buster Severity: normal
Hello I'd like to patch CVE-2021-3850 The one-line patch is already released in sid, and in old-old-security as version 5.20.9-1+deb9u1 thanks to the ELTS team. The patch, from upstream, removes the detection of a string being already quoted. This results in the proper escaping always taking place. Note that this function is only called for escaping pg_connect arguments. Is that ok? Tell me if you think it's better to upload in buster-security.
diff -Nru libphp-adodb-5.20.14/debian/changelog libphp-adodb-5.20.14/debian/changelog
--- libphp-adodb-5.20.14/debian/changelog 2019-01-07 07:18:32.000000000 +0100
+++ libphp-adodb-5.20.14/debian/changelog 2022-03-12 21:40:01.000000000 +0100
@@ -1,3 +1,10 @@
+libphp-adodb (5.20.14-1+deb10u1) buster; urgency=high
+
+ * Add patch to prevent auth bypass with PostgreSQL
+ connections. (Fixes: CVE-2021-3850) (Closes: #1004376)
+
+ -- Jean-Michel Vourgère <nir...@debian.org> Sat, 12 Mar 2022 21:40:01 +0100
+
libphp-adodb (5.20.14-1) unstable; urgency=medium
* New upstream version.
diff -Nru libphp-adodb-5.20.14/debian/patches/CVE-2021-3850.patch libphp-adodb-5.20.14/debian/patches/CVE-2021-3850.patch
--- libphp-adodb-5.20.14/debian/patches/CVE-2021-3850.patch 1970-01-01 01:00:00.000000000 +0100
+++ libphp-adodb-5.20.14/debian/patches/CVE-2021-3850.patch 2022-02-06 09:56:10.000000000 +0100
@@ -0,0 +1,26 @@
+From 952de6c4273d9b1e91c2b838044f8c2111150c29 Mon Sep 17 00:00:00 2001
+From: Damien Regad <dre...@mantisbt.org>
+Date: Mon, 10 Jan 2022 09:41:32 +0100
+Subject: [PATCH] Prevent auth bypass with PostgreSQL connections
+
+Thanks to Emmet Leahy of Sorcery Ltd for reporting this vulnerability
+(CVE-2021-3850).
+
+This is a minimalistic approach to patch the issue, to reduce the risk
+of causing regressions in the legacy stable branch.
+
+Fixes #793
+---
+ drivers/adodb-postgres64.inc.php | 1 -
+ 1 file changed, 1 deletion(-)
+
+--- a/drivers/adodb-postgres64.inc.php
++++ b/drivers/adodb-postgres64.inc.php
+@@ -51,7 +51,6 @@
+ {
+ $len = strlen($s);
+ if ($len == 0) return "''";
+- if (strncmp($s,"'",1) === 0 && substr($s,$len-1) == "'") return $s; // already quoted
+
+ return "'".addslashes($s)."'";
+ }
diff -Nru libphp-adodb-5.20.14/debian/patches/series libphp-adodb-5.20.14/debian/patches/series
--- libphp-adodb-5.20.14/debian/patches/series 1970-01-01 01:00:00.000000000 +0100
+++ libphp-adodb-5.20.14/debian/patches/series 2022-02-06 09:55:43.000000000 +0100
@@ -0,0 +1 @@
+CVE-2021-3850.patch
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