HIGH
Util.pm in Bugzilla 2.x, 3.x, and 4.x before 4.2.15, 4.3.x and 4.4.x before 4.4.10, and 5.x before 5.0.1 mishandles long e-mail addresses during account registration, which allows remote attackers to obtain the default privileges for an arbitrary domain name by placing that name in a substring of an address, as demonstrated by truncation of an @mozilla.com.example.com address to an @mozilla.com address
Published Sep 14, 2015
7.5
HIGHCVSS 2.0
EPSS 3.37%
Description
Util.pm in Bugzilla 2.x, 3.x, and 4.x before 4.2.15, 4.3.x and 4.4.x before 4.4.10, and 5.x before 5.0.1 mishandles long e-mail addresses during account registration, which allows remote attackers to obtain the default privileges for an arbitrary domain name by placing that name in a substring of an address, as demonstrated by truncation of an @mozilla.com.example.com address to an @mozilla.com address.
Affected products
No data.
OR
- 2.0
- 2.2
- 2.4
- 2.6
- 2.8
- 2.10
- 2.12
- 2.14
- 2.14.1
- 2.14.2
- 2.14.3
- 2.14.4
- 2.14.5
- 2.16
- 2.16
- 2.16
- 2.16.1
- 2.16.2
- 2.16.3
- 2.16.4
- 2.16.5
- 2.16.6
- 2.16.7
- 2.16.8
- 2.16.9
- 2.16.10
- 2.16.11
- 2.17
- 2.17.1
- 2.17.2
- 2.17.3
- 2.17.4
- 2.17.5
- 2.17.6
- 2.17.7
- 2.18
- 2.18
- 2.18
- 2.18
- 2.18.1
- 2.18.2
- 2.18.3
- 2.18.4
- 2.18.5
- 2.18.6
- 2.19
- 2.19.1
- 2.19.2
- 2.19.3
- 2.20
- 2.20
- 2.20
- 2.20.1
- 2.20.2
- 2.20.3
- 2.20.4
- 2.20.5
- 2.20.6
- 2.20.7
- 2.21
- 2.21.1
- 2.22
- 2.22
- 2.22.1
- 2.22.2
- 2.22.3
- 2.22.4
- 2.22.5
- 2.22.6
- 2.22.7
- 2.23
- 2.23.1
- 2.23.2
- 2.23.3
- 2.23.4
- 3.0
- 3.0
- 3.0.0
- 3.0.1
- 3.0.2
- 3.0.3
- 3.0.4
- 3.0.5
- 3.0.6
- 3.0.7
- 3.0.8
- 3.0.9
- 3.0.10
- 3.0.11
- 3.1.0
- 3.1.1
- 3.1.2
- 3.1.3
- 3.1.4
- 3.2
- 3.2
- 3.2
- 3.2.1
- 3.2.2
- 3.2.3
- 3.2.4
- 3.2.5
- 3.2.6
- 3.2.7
- 3.2.8
- 3.2.9
- 3.2.10
- 3.3
- 3.3.1
- 3.3.2
- 3.3.3
- 3.3.4
- 3.4
- 3.4
- 3.4.1
- 3.4.2
- 3.4.3
- 3.4.4
- 3.4.5
- 3.4.6
- 3.4.7
- 3.4.8
- 3.4.9
- 3.4.10
- 3.4.11
- 3.4.12
- 3.4.13
- 3.5
- 3.5.1
- 3.5.2
- 3.5.3
- 3.6
- 3.6
- 3.6.0
- 3.6.1
- 3.6.2
- 3.6.3
- 3.6.4
- 3.6.5
- 3.6.6
- 3.6.7
- 3.6.8
- 3.6.9
- 3.6.10
- 3.6.11
- 3.6.12
- 3.6.13
- 3.7
- 3.7.1
- 3.7.2
- 3.7.3
- 4.0
- 4.0
- 4.0
- 4.0.1
- 4.0.2
- 4.0.3
- 4.0.4
- 4.0.5
- 4.0.6
- 4.0.7
- 4.0.8
- 4.0.9
- 4.0.10
- 4.0.11
- 4.0.12
- 4.0.13
- 4.0.16
- 4.1
- 4.1.1
- 4.1.2
- 4.1.3
- 4.2
- 4.2
- 4.2
- 4.2.1
- 4.2.2
- 4.2.3
- 4.2.4
- 4.2.5
- 4.2.6
- 4.2.7
- 4.2.8
- 4.2.9
- 4.2.11
- 4.2.12
- 4.2.13
- 4.2.14
- 4.3
- 4.3.1
- 4.3.2
- 4.3.3
- 4.4
- 4.4
- 4.4
- 4.4.1
- 4.4.2
- 4.4.3
- 4.4.4
- 4.4.5
- 4.4.6
- 4.4.7
- 4.4.8
- 4.4.9
- 5.0
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.
No CVSS v3.0 score for this CVE.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.37% 0.03371
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03371
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.37% (0.03371) | 88.35th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.37% (0.03371) | 87.15th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.56% (0.01558) | 80.20th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.44% (0.02440) | 90.39th | v3 (v2023.03.01) |
| Jul 8, 2023 | 2.44% (0.02440) | 88.48th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.89% (0.01893) | 86.61th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.97% (0.01974) | 78.97th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.97% (0.01974) | 77.12th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.97% (0.01974) | 56.20th | v2 (v2022.01.01) |
Weaknesses (1)
References (9)
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168725.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169946.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169983.html vendor-advisoryx_refsource_FEDORA
- http://packetstormsecurity.com/files/133578/Bugzilla-Unauthorized-Account-Creation.html x_refsource_MISC
- http://seclists.org/bugtraq/2015/Sep/48 mailing-listx_refsource_BUGTRAQPatch
- http://seclists.org/bugtraq/2015/Sep/49 mailing-listx_refsource_BUGTRAQPatch
- http://www.securitytracker.com/id/1033542 vdb-entryx_refsource_SECTRACK
- https://bug1202447.bmoattachments.org/attachment.cgi?id=8657861 x_refsource_MISC
- https://bugzilla.mozilla.org/show_bug.cgi?id=1202447 x_refsource_CONFIRMExploit
| Link | Providers | Tags |
|---|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168725.html | vendor-advisoryx_refsource_FEDORA | |
| http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169946.html | vendor-advisoryx_refsource_FEDORA | |
| http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169983.html | vendor-advisoryx_refsource_FEDORA | |
| http://packetstormsecurity.com/files/133578/Bugzilla-Unauthorized-Account-Creation.html | x_refsource_MISC | |
| http://seclists.org/bugtraq/2015/Sep/48 | mailing-listx_refsource_BUGTRAQPatch | |
| http://seclists.org/bugtraq/2015/Sep/49 | mailing-listx_refsource_BUGTRAQPatch | |
| http://www.securitytracker.com/id/1033542 | vdb-entryx_refsource_SECTRACK | |
| https://bug1202447.bmoattachments.org/attachment.cgi?id=8657861 | x_refsource_MISC | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1202447 | x_refsource_CONFIRMExploit |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mozilla
Published Sep 14, 2015
Updated Aug 6, 2024
Reserved Jun 10, 2015
Link CVE-2015-4499
CISA Vulnrichment
Updated n/a