Red Hat update for evolution

1) Spoofing attack

EUVDB-ID: #VU17667

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-15587

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to conduct spoofing attack.

The vulnerability exists due to improper validation of OpenPGP signatures. A remote attacker can trick the victim into opening a malicious email with valid PGP-signed data as an attachment and either inject arbitrary script code, which could be used to trick the user into disclosing sensitive information, or conduct further attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat CodeReady Linux Builder for ARM 64: 8.0

Red Hat CodeReady Linux Builder for Power, little endian: 8.0

Red Hat CodeReady Linux Builder for x86_64: 8.0

evolution-ews (Red Hat package): 3.28.5-5.el8

evolution-data-server (Red Hat package): 3.28.5-11.el8

evolution (Red Hat package): 3.28.5-9.el8

Red Hat Enterprise Linux for ARM 64: 8

Red Hat Enterprise Linux for Power, little endian: 8

Red Hat Enterprise Linux for x86_64: 8.0

External links

http://access.redhat.com/errata/RHSA-2020:1600

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. However, proof of concept for this vulnerability is available.