Vulnerability identifier: #VU77107

Vulnerability risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-2976

CWE-ID: CWE-276

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Guava: Google Core Libraries For Java
Universal components / Libraries / Libraries used by multiple products

Vendor: Google

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect default permissions in com.google.common.io.FileBackedOutputStream. A local user with access to the system can view contents of files and directories or modify them.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Guava: Google Core Libraries For Java: 1.0 - 31.1

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External links
http://github.com/google/guava/releases/tag/v32.0.0
http://github.com/google/guava/issues/4011
http://github.com/google/guava/issues/2575

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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