CVE-2018-15587 Information

Description

GNOME Evolution through 3.28.2 is prone to OpenPGP signatures being spoofed for arbitrary messages using a specially crafted email that contains a valid signature from the entity to be impersonated as an attachment.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00047.html http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00061.html http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00024.html http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html http://seclists.org/fulldisclosure/2019/Apr/38 http://www.openwall.com/lists/oss-security/2019/04/30/4 https://bugzilla.gnome.org/show_bug.cgi?id=796424 https://github.com/RUB-NDS/Johnny-You-Are-Fired https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf https://lists.debian.org/debian-lts-announce/2019/04/msg00027.html https://seclists.org/bugtraq/2019/Jun/7 https://usn.ubuntu.com/3998-1/ https://www.debian.org/security/2019/dsa-4457

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

6.5