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GHSA-65mj-7c86-79jf
No affected components available
Impact
An attacker can inject values into a PostgreSQL connection string by providing a parameter surrounded by single quotes.
Depending on how the library is used in the client software, this may allow an attacker to bypass the login process, gain access to the server's IP address, etc.
Patches
The vulnerability is fixed in ADOdb versions 5.20.21 (952de6c4273d9b1e91c2b838044f8c2111150c29) and 5.21.4 or later (b4d5ce70034c5aac3a1d51d317d93c037a0938d2).
The simplest patch is to delete line 29 in drivers/adodb-postgres64.inc.php:
diff --git a/drivers/adodb-postgres64.inc.php b/drivers/adodb-postgres64.inc.php
index d04b7f67..729d7141 100644
--- a/drivers/adodb-postgres64.inc.php
+++ b/drivers/adodb-postgres64.inc.php
@@ -26,7 +26,6 @@ function adodb_addslashes($s)
{
$len = strlen($s);
if ($len == 0) return "''";
- if (strncmp($s,"'",1) === 0 && substr($s,$len-1) == "'") return $s; // already quoted
return "'".addslashes($s)."'";
}
Workarounds
Ensure the parameters passed to ADOConnection::connect() or related functions (nConnect(), pConnect()) are not surrounded by single quotes.
Credits
Thanks to Emmet Leahy (@meme-lord) of Sorcery Ltd for reporting this vulnerability, and to the huntr team for their support.
References
- Original issue report https://huntr.dev/bounties/bdf5f216-4499-4225-a737-b28bc6f5801c/
- ADOdb reference issue #793
For more information
If you have any questions or comments about this advisory:
- Add a note in issue #793
- Contact the maintainers on Gitter
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data.
Exploitation activity has been observed. Apply available patches or mitigations urgently.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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