An issue was discovered in Enigmail before 1.9.9 that allows remote attackers to trigger use of an intended public key for encryption, because incorrect regular expressions are used for extraction of an e-mail address from a comma-separated list, as demonstrated by a modified Full Name field and a homograph attack, aka TBE-01-002
Published Dec 22, 2017
5.9
MEDIUMCVSS 3.0
EPSS 1.12%
Description
An issue was discovered in Enigmail before 1.9.9 that allows remote attackers to trigger use of an intended public key for encryption, because incorrect regular expressions are used for extraction of an e-mail address from a comma-separated list, as demonstrated by a modified Full Name field and a homograph attack, aka TBE-01-002.
Affected products
No data.
Configuration 2
- 8.0
- 9.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
AV:N/AC:M/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.12% (0.01119) | 64.93th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.12% (0.01119) | 61.79th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.20% (0.00204) | 40.58th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.62% (0.00624) | 79.15th | v3 (v2023.03.01) |
| Feb 9, 2024 | 0.62% (0.00624) | 78.27th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.62% (0.00624) | 76.27th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.65% (0.00648) | 76.15th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.57% (0.01565) | 33.71th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.57% (0.01565) | 0.00th | v1 |
No CWE recorded.
References (5)
- https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf x_refsource_MISCVendor Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00021.html mailing-listx_refsource_MLIST
- https://lists.debian.org/debian-security-announce/2017/msg00333.html x_refsource_MISCThird Party Advisory
- https://www.debian.org/security/2017/dsa-4070 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.mail-archive.com/enigmail-users%40enigmail.net/msg04280.html x_refsource_MISC
| Link | Providers | Tags |
|---|---|---|
| https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf | x_refsource_MISCVendor Advisory | |
| https://lists.debian.org/debian-lts-announce/2017/12/msg00021.html | mailing-listx_refsource_MLIST | |
| https://lists.debian.org/debian-security-announce/2017/msg00333.html | x_refsource_MISCThird Party Advisory | |
| https://www.debian.org/security/2017/dsa-4070 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| https://www.mail-archive.com/enigmail-users%40enigmail.net/msg04280.html | x_refsource_MISC |
Change history (0)
No recorded changes yet.