Multiple vulnerabilities in Fortinet, FortiAuthenticator
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 5 |
| CVE-ID | CVE-2015-1459 CVE-2015-1458 CVE-2015-1457 CVE-2015-1456 CVE-2015-1455 |
| CWE-ID | CWE-79 CWE-264 CWE-200 CWE-255 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
FortiAuthenticator Client/Desktop applications / Other client software |
| Vendor | Fortinet, Inc |
Security Bulletin
This security bulletin contains information about 5 vulnerabilities.
1) Cross-site scripting
EUVDB-ID: #VU40903
Risk: Medium
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2015-1459
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionVulnerability allows a remote attacker to perform XSS attacks.
The vulnerability is caused by an input validation error in Fortinet FortiAuthenticator 3.0.0 when processing operation parameter to cert/scep/. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
MitigationInstall update from vendor's website.
Vulnerable software versionsFortiAuthenticator: 3.0.0
External linkshttp://packetstormsecurity.com/files/130156/Fortinet-FortiAuthenticator-XSS-Disclosure-Bypass.html
http://secunia.com/advisories/62836
http://www.fortiguard.com/advisory/FG-IR-15-003/
http://www.security-assessment.com/files/documents/advisory/Fortinet_FortiAuthenticator_Multiple_Vulnerabilities.pdf
http://www.securityfocus.com/bid/72378
http://exchange.xforce.ibmcloud.com/vulnerabilities/100561
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU40904
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2015-1458
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Fortinet FortiAuthenticator 3.0.0 allows local users to bypass intended restrictions and gain privileges by creating /tmp/privexec/dbgcore_enable_shell_access and executing the "shell" command.
MitigationInstall update from vendor's website.
Vulnerable software versionsFortiAuthenticator: 3.0.0
External linkshttp://packetstormsecurity.com/files/130156/Fortinet-FortiAuthenticator-XSS-Disclosure-Bypass.html
http://www.security-assessment.com/files/documents/advisory/Fortinet_FortiAuthenticator_Multiple_Vulnerabilities.pdf
http://www.securityfocus.com/bid/72378
http://exchange.xforce.ibmcloud.com/vulnerabilities/100559
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Information disclosure
EUVDB-ID: #VU40905
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2015-1457
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
Fortinet FortiAuthenticator 3.0.0 allows local users to read arbitrary files via the -f flag to the dig command.
MitigationInstall update from vendor's website.
Vulnerable software versionsFortiAuthenticator: 3.0.0
External linkshttp://packetstormsecurity.com/files/130156/Fortinet-FortiAuthenticator-XSS-Disclosure-Bypass.html
http://www.fortiguard.com/advisory/FG-IR-15-003/
http://www.security-assessment.com/files/documents/advisory/Fortinet_FortiAuthenticator_Multiple_Vulnerabilities.pdf
http://www.securityfocus.com/bid/72378
http://exchange.xforce.ibmcloud.com/vulnerabilities/100560
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Information disclosure
EUVDB-ID: #VU40906
Risk: Low
CVSSv3.1: 1.3 [CVSS:3.1/AV:N/AC:L/PR:/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2015-1456
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote #AU# to gain access to sensitive information.
Fortinet FortiAuthenticator 3.0.0 logs the PostgreSQL usernames and passwords in cleartext, which allows remote administrators to obtain sensitive information by reading the log at debug/startup/.
MitigationInstall update from vendor's website.
Vulnerable software versionsFortiAuthenticator: 3.0.0
External linkshttp://packetstormsecurity.com/files/130156/Fortinet-FortiAuthenticator-XSS-Disclosure-Bypass.html
http://www.fortiguard.com/advisory/FG-IR-15-003/
http://www.security-assessment.com/files/documents/advisory/Fortinet_FortiAuthenticator_Multiple_Vulnerabilities.pdf
http://www.securityfocus.com/bid/72378
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
5) Credentials management
EUVDB-ID: #VU40907
Risk: Medium
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2015-1455
CWE-ID:
CWE-255 - Credentials Management
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Fortinet FortiAuthenticator 3.0.0 has a password of (1) slony for the slony PostgreSQL user and (2) www-data for the www-data PostgreSQL user, which makes it easier for remote attackers to obtain access via unspecified vectors.
MitigationInstall update from vendor's website.
Vulnerable software versionsFortiAuthenticator: 3.0.0
External linkshttp://packetstormsecurity.com/files/130156/Fortinet-FortiAuthenticator-XSS-Disclosure-Bypass.html
http://www.fortiguard.com/advisory/FG-IR-15-003/
http://www.security-assessment.com/files/documents/advisory/Fortinet_FortiAuthenticator_Multiple_Vulnerabilities.pdf
http://www.securityfocus.com/bid/72378
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
