Multiple vulnerabilities in AVEVA SuiteLink Server

1) Heap-based buffer overflow

EUVDB-ID: #VU55997

Risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-32959

CWE-ID: CWE-122 - Heap-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 a boundary error in SuiteLink server while processing commands 0x05/0x06. A remote attacker can pass specially crafted data to the application, trigger heap-based buffer overflow and execute arbitrary code on the target system.

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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

AVEVA System Platform: 2020 R2 P01

AVEVA InTouch: 2020 R2 P01

AVEVA Historian: 2020 R2 P01

AVEVA Communication Drivers Pack: 2020 R2

AVEVA Operations Integration Core: 3.0

AVEVA Data Acquisition Servers: All versions

AVEVA Batch Management: 2020

AVEVA MES: 2014 R2

AVEVA SuiteLink Server: before 3.2.002

External links

http://ics-cert.us-cert.gov/advisories/icsa-21-231-01
http://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AV...

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

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.

Is there known malware, which exploits this vulnerability?

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

2) NULL pointer dereference

EUVDB-ID: #VU55999

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-32979

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in SuiteLink server while processing commands 0x04/0x0a. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

AVEVA System Platform: 2020 R2 P01

AVEVA InTouch: 2020 R2 P01

AVEVA Historian: 2020 R2 P01

AVEVA Communication Drivers Pack: 2020 R2

AVEVA Operations Integration Core: 3.0

AVEVA Data Acquisition Servers: All versions

AVEVA Batch Management: 2020

AVEVA MES: 2014 R2

AVEVA SuiteLink Server: before 3.2.002

External links

http://ics-cert.us-cert.gov/advisories/icsa-21-231-01
http://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AV...

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

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.

Is there known malware, which exploits this vulnerability?

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

3) NULL pointer dereference

EUVDB-ID: #VU56001

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-32971

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in SuiteLink server while processing command 0x07. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

AVEVA System Platform: 2020 R2 P01

AVEVA InTouch: 2020 R2 P01

AVEVA Historian: 2020 R2 P01

AVEVA Communication Drivers Pack: 2020 R2

AVEVA Operations Integration Core: 3.0

AVEVA Data Acquisition Servers: All versions

AVEVA Batch Management: 2020

AVEVA MES: 2014 R2

AVEVA SuiteLink Server: before 3.2.002

External links

http://ics-cert.us-cert.gov/advisories/icsa-21-231-01
http://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AV...

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

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.

Is there known malware, which exploits this vulnerability?

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

4) NULL pointer dereference

EUVDB-ID: #VU56002

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-32987

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in SuiteLink server while processing command 0x0b. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

AVEVA System Platform: 2020 R2 P01

AVEVA InTouch: 2020 R2 P01

AVEVA Historian: 2020 R2 P01

AVEVA Communication Drivers Pack: 2020 R2

AVEVA Operations Integration Core: 3.0

AVEVA Data Acquisition Servers: All versions

AVEVA Batch Management: 2020

AVEVA MES: 2014 R2

AVEVA SuiteLink Server: before 3.2.002

External links

http://ics-cert.us-cert.gov/advisories/icsa-21-231-01
http://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AV...

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

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.

Is there known malware, which exploits this vulnerability?

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

5) Improper Handling of Exceptional Conditions

EUVDB-ID: #VU56003

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-32999

CWE-ID: CWE-755 - Improper Handling of Exceptional Conditions

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of exceptional conditions in SuiteLink server while processing command 0x01. A remote attacker can cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

AVEVA System Platform: 2020 R2 P01

AVEVA InTouch: 2020 R2 P01

AVEVA Historian: 2020 R2 P01

AVEVA Communication Drivers Pack: 2020 R2

AVEVA Operations Integration Core: 3.0

AVEVA Data Acquisition Servers: All versions

AVEVA Batch Management: 2020

AVEVA MES: 2014 R2

AVEVA SuiteLink Server: before 3.2.002

External links

http://ics-cert.us-cert.gov/advisories/icsa-21-231-01
http://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AV...

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

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.

Is there known malware, which exploits this vulnerability?

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