Remote code execution in Schneider Electric GUIcon Eurotherm



Published: 2018-12-14
Risk High
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2018-7813
CVE-2018-7815
CVE-2018-7814
CWE-ID CWE-843
CWE-121
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe
GUIcon Eurotherm
Hardware solutions / Firmware

Vendor Schneider Electric

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Type confusion

EUVDB-ID: #VU16538

Risk: High

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-7813

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

Description

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

The vulnerability exists due to type confusion error on pcwin.dll. A remote unauthenticated attacker can trick the victim into parsing a specially crafted GD1 file and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update to version 2.0.683.003.

Vulnerable software versions

GUIcon Eurotherm: 2.0.683.0

External links

http://download.schneider-electric.com/files?p_enDocType=Technical+leaflet&p_File_Name=SEVD-2018-338-01-Eurotherm-GUIcon.pdf&p_Doc_Ref=SEVD-2018-338-01


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.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Type confusion

EUVDB-ID: #VU16539

Risk: High

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-7815

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

Description

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

The vulnerability exists due to type confusion error on c3core.dll. A remote unauthenticated attacker can trick the victim into parsing a specially crafted GD1 file and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update to version 2.0.683.003.

Vulnerable software versions

GUIcon Eurotherm: 2.0.683.0

External links

http://download.schneider-electric.com/files?p_enDocType=Technical+leaflet&p_File_Name=SEVD-2018-338-01-Eurotherm-GUIcon.pdf&p_Doc_Ref=SEVD-2018-338-01


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.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Stack-based buffer overflow

EUVDB-ID: #VU16540

Risk: High

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-7814

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

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

The vulnerability exists due to stack-based buffer overflow when handling malicious input. A remote unauthenticated attacker can trick the victim into parsing a specially crafted GD1 file, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update to version 2.0.683.003.

Vulnerable software versions

GUIcon Eurotherm: 2.0.683.0

External links

http://download.schneider-electric.com/files?p_enDocType=Technical+leaflet&p_File_Name=SEVD-2018-338-01-Eurotherm-GUIcon.pdf&p_Doc_Ref=SEVD-2018-338-01


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.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###