CVE-2018-18509
CVSS V2 Medium 5
CVSS V3 Medium 5.3
Description
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.
Overview
- CVE ID
- CVE-2018-18509
- Assigner
- security@mozilla.org
- Vulnerability Status
- Modified
- Published Version
- 2019-04-26T17:29:00
- Last Modified Date
- 2019-06-03T19:29:01
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | 1 | OR | 60.5.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 5.3
- Base Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 1.4
References
| Reference URL | Reference Tags |
|---|---|
| https://www.mozilla.org/security/advisories/mfsa2019-06/ | Vendor Advisory |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1507218 | Issue Tracking Permissions Required Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2019/04/30/4 | Mailing List Third Party Advisory |
| http://seclists.org/fulldisclosure/2019/Apr/38 | Mailing List Third Party Advisory |
| http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html | Third Party Advisory VDB Entry |
| https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf | |
| https://github.com/RUB-NDS/Johnny-You-Are-Fired | |
| http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00043.html | |
| https://access.redhat.com/errata/RHSA-2019:1144 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-18509 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18509 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:51:01 | Added to TrackCVE | |||
| 2022-12-03 20:08:30 | 2019-04-26T17:29Z | 2019-04-26T17:29:00 | CVE Published Date | updated |
| 2022-12-03 20:08:30 | 2019-06-03T19:29:01 | CVE Modified Date | updated | |
| 2022-12-03 20:08:30 | Modified | Vulnerability Status | updated |