Executive Summary

Informations
Name CVE-2018-18509 First vendor Publication 2019-04-26
Vendor Cve Last vendor Modification 2019-06-03

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Overall CVSS Score 5.3
Base Score 5.3 Environmental Score 5.3
impact SubScore 1.4 Temporal Score 5.3
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact Low Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:P/A:N)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A flaw during verification of certain S/MIME signatures causes emails to be shown in Thunderbird as having a valid digital signature, even if the shown message contents aren't covered by the signature. The flaw allows an attacker to reuse a valid S/MIME signature to craft an email message with arbitrary content. This vulnerability affects Thunderbird < 60.5.1.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18509

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-347 Improper Verification of Cryptographic Signature

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 398

Sources (Detail)

Source Url
FULLDISC http://seclists.org/fulldisclosure/2019/Apr/38
MISC http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html
https://bugzilla.mozilla.org/show_bug.cgi?id=1507218
https://github.com/RUB-NDS/Johnny-You-Are-Fired
https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fire...
https://www.mozilla.org/security/advisories/mfsa2019-06/
MLIST http://www.openwall.com/lists/oss-security/2019/04/30/4
REDHAT https://access.redhat.com/errata/RHSA-2019:1144
SUSE http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00043.html

Alert History

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Date Informations
2024-02-02 01:55:00
  • Multiple Updates
2024-02-01 12:15:09
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2023-09-05 12:52:52
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2023-09-05 01:14:53
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2023-09-02 12:52:20
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2023-09-02 01:15:10
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2023-08-12 12:56:07
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2023-08-12 01:14:26
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2023-08-11 12:50:10
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2023-08-11 01:14:50
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2023-08-06 12:48:40
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2023-08-06 01:14:24
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2023-08-04 12:48:54
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2023-08-04 01:14:30
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2023-07-14 12:48:55
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2023-07-14 01:14:30
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2023-03-29 01:50:23
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2023-03-28 12:14:50
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2022-10-11 12:43:48
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2022-10-11 01:14:29
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2021-05-04 13:11:07
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2021-04-22 02:25:29
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2020-05-23 02:14:21
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2020-05-23 01:11:37
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2019-06-04 00:19:04
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2019-05-29 05:19:10
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2019-05-10 21:19:18
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2019-05-02 09:19:04
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2019-05-01 00:19:03
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2019-04-30 21:19:26
  • Multiple Updates
2019-04-26 21:19:40
  • First insertion