Spoofing attack in GNOME Evolution



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-15587
CWE-ID CWE-451
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Evolution
Client/Desktop applications / Office applications

Vendor Gnome Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Spoofing attack

EUVDB-ID: #VU17667

Risk: Low

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]

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

Update to versions 3.28.3 or later.

Vulnerable software versions

Evolution: 3.0 - 3.29.3

CPE2.3 External links

https://bugzilla.gnome.org/show_bug.cgi?id=796424
https://gitlab.gnome.org/GNOME/evolution/issues/120


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

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.



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