Vulnerability identifier: #VU57211

Vulnerability risk: Low

CVSSv3.1: 5.5 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-28129

CWE-ID: CWE-276

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
OpenOffice
Client/Desktop applications / Office applications

Vendor: Apache Foundation

Description

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

The vulnerability exists due to incorrect default permissions. The DEB package did not install using root, but instead used a userid and groupid of 500. A local user with the same identifier can escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

OpenOffice: 4.1.8

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External links
http://lists.apache.org/thread.html/rc9090ab48b4699494b63b35cd6d7414c52d665ecae12add3cdc56c9b%40%3Cusers.openoffice.apache.org%3E
http://lists.apache.org/thread.html/rc9090ab48b4699494b63b35cd6d7414c52d665ecae12add3cdc56c9b@%3Cusers.openoffice.apache.org%3E
http://lists.apache.org/thread.html/r9e72234dd662280fa1a3cca6164d3470a1dbc0d8e53e48ba27f787ce@%3Cannounce.apache.org%3E
http://www.openwall.com/lists/oss-security/2021/10/07/5

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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.