#VU57208 Improper Verification of Cryptographic Signature


Published: 2021-10-11

Vulnerability identifier: #VU57208

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-41831

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 the timestamp of signed documents.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

OpenOffice: 4.0.0, 4.0.1, 4.1, 4.1.0, 4.1.1, 4.1.2, 4.1.3, 4.1.4, 4.1.5, 4.1.6, 4.1.7, 4.1.8, 4.1.9, 4.1.10

CPE

External links
http://lists.apache.org/thread.html/ra74d5057cdc781a36286a83e8bcbc90a7678f030ae73339c35dfc4f9%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