CRITICAL
HylaFAX 6.0.6 and HylaFAX+ 5.6.0 allow remote attackers to execute arbitrary code via a dial-in session that provides a FAX page with the JPEG bit enabled, which is mishandled in FaxModem::writeECMData() in the faxd/CopyQuality.c++ file
Published Sep 21, 2018
9.8
CRITICALCVSS 3.0
EPSS 5.59%
Description
HylaFAX 6.0.6 and HylaFAX+ 5.6.0 allow remote attackers to execute arbitrary code via a dial-in session that provides a FAX page with the JPEG bit enabled, which is mishandled in FaxModem::writeECMData() in the faxd/CopyQuality.c++ file.
Affected products
No data.
Configuration 1
OR
- 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.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
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.
5.59% 0.05588
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.05588
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (26 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.59% (0.05588) | 92.65th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.59% (0.05588) | 91.87th | v5 (v2026.06.15) |
| May 30, 2026 | 8.94% (0.08941) | 92.72th | v4 (v2025.03.14) |
| Nov 21, 2025 | 6.17% (0.06165) | 90.42th | v4 (v2025.03.14) |
| Nov 18, 2025 | 9.37% (0.09367) | 91.94th | v4 (v2025.03.14) |
| Mar 30, 2025 | 6.50% (0.06504) | 90.19th | v4 (v2025.03.14) |
| Mar 29, 2025 | 11.56% (0.11559) | 89.34th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.50% (0.06504) | 90.42th | v4 (v2025.03.14) |
| Dec 17, 2024 | 10.85% (0.10849) | 95.08th | v3 (v2023.03.01) |
| Dec 12, 2024 | 5.46% (0.05460) | 93.46th | v3 (v2023.03.01) |
| Jul 6, 2024 | 5.05% (0.05055) | 92.96th | v3 (v2023.03.01) |
| May 10, 2024 | 6.84% (0.06838) | 93.86th | v3 (v2023.03.01) |
| Mar 23, 2024 | 7.60% (0.07595) | 93.99th | v3 (v2023.03.01) |
| Mar 4, 2024 | 10.35% (0.10347) | 94.82th | v3 (v2023.03.01) |
| Feb 12, 2024 | 9.76% (0.09756) | 94.62th | v3 (v2023.03.01) |
| Nov 8, 2023 | 8.28% (0.08284) | 93.70th | v3 (v2023.03.01) |
| Sep 15, 2023 | 19.54% (0.19536) | 95.69th | v3 (v2023.03.01) |
| Jul 8, 2023 | 18.08% (0.18083) | 95.46th | v3 (v2023.03.01) |
| Mar 7, 2023 | 16.84% (0.16840) | 95.15th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.73% (0.06729) | 91.59th | v2 (v2022.01.01) |
| Apr 1, 2022 | 6.73% (0.06729) | 90.78th | v2 (v2022.01.01) |
| Feb 4, 2022 | 6.73% (0.06729) | 78.90th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.17% (0.03168) | 65.23th | v1 |
| Jan 6, 2022 | 3.17% (0.03168) | 64.90th | v1 |
| Sep 1, 2021 | 3.17% (0.03168) | 81.34th | v1 |
| Apr 14, 2021 | 3.17% (0.03168) | 0.00th | v1 |
Weaknesses (2)
References (6)
- http://git.hylafax.org/HylaFAX?a=commit%3Bh=c6cac8d8cd0dbe313689ba77023e12bc5b3027be x_refsource_CONFIRM
- http://www.openwall.com/lists/oss-security/2018/09/20/1 mailing-listx_refsource_MLISTExploitMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00026.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://seclists.org/bugtraq/2018/Sep/49 mailing-listx_refsource_BUGTRAQExploitMailing ListThird Party Advisory
- https://www.debian.org/security/2018/dsa-4298 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.x41-dsec.de/lab/advisories/x41-2018-008-hylafax/ x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://git.hylafax.org/HylaFAX?a=commit%3Bh=c6cac8d8cd0dbe313689ba77023e12bc5b3027be | x_refsource_CONFIRM | |
| http://www.openwall.com/lists/oss-security/2018/09/20/1 | mailing-listx_refsource_MLISTExploitMailing ListThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2018/09/msg00026.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://seclists.org/bugtraq/2018/Sep/49 | mailing-listx_refsource_BUGTRAQExploitMailing ListThird Party Advisory | |
| https://www.debian.org/security/2018/dsa-4298 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| https://www.x41-dsec.de/lab/advisories/x41-2018-008-hylafax/ | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 21, 2018
Updated Aug 5, 2024
Reserved Sep 17, 2018
Link CVE-2018-17141
CISA Vulnrichment
Updated n/a