Out-of-bounds write in cflinuxfs3

1) Out-of-bounds write

EUVDB-ID: #VU64075

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1304

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input. A local attacker can use a specially crafted filesystem, trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

cflinuxfs3: 0.0.0 - 0.303.0

CPE2.3

• cpe:2.3:a:cloud_foundry_foundation:cflinuxfs3:0.303.0:*:*:*:*:*:*:
• cpe:2.3:a:cloud_foundry_foundation:cflinuxfs3:0.302.0:*:*:*:*:*:*:
• cpe:2.3:a:cloud_foundry_foundation:cflinuxfs3:0.301.0:*:*:*:*:*:*:

External links

http://github.com/cloudfoundry/cflinuxfs3/releases/tag/0.304.0

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.