Multiple vulnerabilities in Arcserve UDP

Published: 2023-06-29 | Updated: 2024-06-21

Risk	High
Patch available	YES
Number of vulnerabilities	5
CVE-ID	CVE-2022-22950 CVE-2022-22970 CVE-2022-22971 CVE-2023-24998 CVE-2023-26258
CWE-ID	CWE-185 CWE-20 CWE-770 CWE-287
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #3 is available. Public exploit code for vulnerability #4 is available. Public exploit code for vulnerability #5 is available.
Vulnerable software	Unified Data Protection Client/Desktop applications / Other client software
Vendor	Arcserve

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Incorrect Regular Expression

EUVDB-ID: #VU61760

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-22950

CWE-ID: CWE-185 - Incorrect Regular Expression

Exploit availability: No

Description

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

The vulnerability exists due improper input validation when processing SpEL expressions. A remote attacker can send a specially crafted HTTP request to the affected application and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Unified Data Protection: 7.0 Update 1 - 9.0

CPE2.3

External links

https://documentation.arcserve.com/Arcserve-UDP/Available/9.0/ENU/Bookshelf_Files/HTML/Update1/default.htm#Issues_Fixed.htm?TocPath=_____9

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) Input validation error

EUVDB-ID: #VU63084

Risk: Medium

CVSSv4.0: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-22970

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input within the Spring MVC or Spring WebFlux applications. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Unified Data Protection: 7.0 Update 1 - 9.0

CPE2.3

External links

https://documentation.arcserve.com/Arcserve-UDP/Available/9.0/ENU/Bookshelf_Files/HTML/Update1/default.htm#Issues_Fixed.htm?TocPath=_____9

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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

3) Input validation error

EUVDB-ID: #VU63085

Risk: Medium

CVSSv4.0: 5.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2022-22971

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

Description

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

The vulnerability exists due to insufficient validation of user-supplied input within the Spring application with a STOMP over WebSocket endpoint. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Unified Data Protection: 7.0 Update 1 - 9.0

CPE2.3

External links

https://documentation.arcserve.com/Arcserve-UDP/Available/9.0/ENU/Bookshelf_Files/HTML/Update1/default.htm#Issues_Fixed.htm?TocPath=_____9

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

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.

4) Allocation of Resources Without Limits or Throttling

EUVDB-ID: #VU72427

Risk: Medium

CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2023-24998

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

Exploit availability: Yes

Description

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

The vulnerability exists due to Apache Commons FileUpload does not limit the number of request parts. A remote attacker can initiate a series of uploads and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Unified Data Protection: 7.0 Update 1 - 9.0

CPE2.3

External links

https://documentation.arcserve.com/Arcserve-UDP/Available/9.0/ENU/Bookshelf_Files/HTML/Update1/default.htm#Issues_Fixed.htm?TocPath=_____9

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.

5) Improper authentication

EUVDB-ID: #VU77811

Risk: High

CVSSv4.0: 8.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2023-26258

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to a logic error in the authentication process. A remote attacker can bypass authentication and gain unauthorized access to the application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Unified Data Protection: 7.0 Update 1 - 9.0

CPE2.3

External links

https://documentation.arcserve.com/Arcserve-UDP/Available/9.0/ENU/Bookshelf_Files/HTML/Update1/default.htm#Issues_Fixed.htm?TocPath=_____9
https://www.mdsec.co.uk/2023/06/cve-2023-26258-remote-code-execution-in-arcserve-udp-backup/

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. However, proof of concept for this vulnerability is available.