Multiple vulnerabilities in Fortra Globalscape EFT



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2023-2990
CVE-2023-2989
CWE-ID CWE-20
CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Globalscape EFT
Server applications / File servers (FTP/HTTP)

Vendor Fortra

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU77691

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-2023-2990

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 when processing recursive Deflate Stream. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Globalscape EFT: 8.0.0.38

CPE2.3 External links

http://kb.globalscape.com/Knowledgebase/11588/Is-EFT-susceptible-to-the-Denial-of-service-via-recursive-Deflate-Stream-vulnerability
http://www.rapid7.com/blog/post/2023/06/22/multiple-vulnerabilities-in-fortra-globalscape-eft-administration-server-fixed/


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) Out-of-bounds read

EUVDB-ID: #VU77692

Risk: High

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

CVE-ID: CVE-2023-2989

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to a boundary condition in the administration server. A remote attacker can trigger an out-of-bounds read error and crash the service or bypass authentication.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Globalscape EFT: 8.1.0.14

CPE2.3 External links

http://kb.globalscape.com/Knowledgebase/11586/Is-EFT-susceptible-to-the-Authentication-Bypass-via-Outofbounds-Memory-Read-vulnerability
http://www.rapid7.com/blog/post/2023/06/22/multiple-vulnerabilities-in-fortra-globalscape-eft-administration-server-fixed/


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.



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