CVE-2020-12397 Details

CVE-2020-12397

Published: 2020-05-22
Last Modified: 2020-06-02
CVE Author: NIST National Vulnerability Database
CVE Assigner: cve@mitre.org
Summary

By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird < 68.8.0.

Analysis
Common Vulnerability Score System v2.0
Severity Medium
Base Score 4.3/10
Exploit Score 8.6/10
Access Vector Network
Access Complexity Medium
Authentication None
Impact Score 2.9/10
Confidentiality Impact None
Availability Impact None
Integrity Impact Partial
Vector String AV:N/AC:M/Au:N/C:N/I:P/A:N
Common Vulnerability Score System v3.1
Severity Medium
Base Score 4.3/10
Exploit Score 2.8/10
Access Vector Network
Access Complexity Low
Privileges Required None
Impact Score 1.4/10
Confidentiality Impact None
Availability Impact None
Integrity Impact Low
Scope Unchanged
User Interaction Required
Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Products Reported
CPE Vulnerable Start Excluding
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Yes - 68.8.0
References

https://bugzilla.mozilla.org/show_bug.cgi?id=1617370
https://usn.ubuntu.com/4373-1/
https://www.mozilla.org/security/advisories/mfsa2020-18/

CVE ID
CVE-2020-12397
Published
2020-05-22
Modified
2020-06-02
CVSSv2.0
Medium
CVSSv3.1
Medium
PCI Compliance
Fail
US-CERT Alert
No
CWE
CWE-346

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