Vulnerability CVE-2018-15587
Published: 2019-02-11

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.

Type:

CWE-347

 (Improper Verification of Cryptographic Signature)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Gnome -> Evolution 
Debian -> Debian linux 

 References:
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
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