Information disclosure in cflinuxfs3

1) Information disclosure

EUVDB-ID: #VU56690

Risk: Medium

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

CVE-ID: CVE-2021-40330

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in the git_connect_git in connect.c. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

cflinuxfs3: 0.0.0 - 0.255.0

CPE2.3

• cpe:2.3:a:cloud_foundry_foundation:cflinuxfs3:0.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:cloud_foundry_foundation:cflinuxfs3:0.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:cloud_foundry_foundation:cflinuxfs3:0.0.2:*:*:*:*:*:*:*

External links

https://github.com/cloudfoundry/cflinuxfs3/releases/tag/0.256.0

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.