Two vulnerabilities in Acunetix



Published: 2017-05-30
Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID N/A
CWE-ID CWE-427
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Public exploit code for vulnerability #2 is available.
Vulnerable software
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Acunetix
Server applications / Server solutions for antivurus protection

Vendor Acunetix

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) DDL injection

EUVDB-ID: #VU6814

Risk: Low

CVSSv3.1: 7.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-427 - Uncontrolled Search Path Element

Exploit availability: No

Description

The vulnerability allows a local attacker to execute arbitrary code on the target system.

The weakness exists due to uncontrolled search path element when loading 'python3.dll' from 'C:\DLLs\'. A local attacker can load a specially crafted DLL file from 'C:\DLLs\' and execute the file with system privileges.

Successful exploitation of the vulnerability may result in full system compromise.

Mitigation

Update to version 11.0.170941159.

Vulnerable software versions

Acunetix: 11.0 - 11.0.163541031

External links

http://bogner.sh/2017/05/local-privilege-escalation-in-acunetix-11/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

2) DDL injection

EUVDB-ID: #VU6815

Risk: Low

CVSSv3.1: 7.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-427 - Uncontrolled Search Path Element

Exploit availability: No

Description

The vulnerability allows a local attacker to execute arbitrary code on the target system.

The weakness exists due to improper access control. A local attacker can use C:\ProgramData\Acunetix 11 Trial\settings.ini or
C:\ProgramData\Acunetix 11 Trial\db\pg_hba.conf. file to access the PostgreSQL database server without authentication, cause the database to create a specially crafted DLL file and execute the file with system privileges.

Successful exploitation of the vulnerability may result in full system compromise.

Mitigation

Update to version 11.0.170941159.

Vulnerable software versions

Acunetix: 11.0 - 11.0.163541031

External links

http://bogner.sh/2017/05/another-local-privilege-escalation-in-acunetix-11/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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