#VU57206 Improper Verification of Cryptographic Signature in OpenOffice


Published: 2021-10-11

Vulnerability identifier: #VU57206

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-41830

CWE-ID: CWE-347

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OpenOffice
Client/Desktop applications / Office applications

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to perform a spoofing attack.

The vulnerability exists due to incorrect signature verification. A remote attacker can manipulate signed documents and macros to appear to come from a trusted source.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

OpenOffice: 4.0.0 - 4.1.10


External links
http://lists.apache.org/thread.html/r97d287c88881aa581f1b18cb01e2cbedc4e6eae85958491acb89b12e%40%3Cusers.openoffice.apache.org%3E


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.


Latest bulletins with this vulnerability