HIGH
Stack-based buffer overflow in ESTsoft ALZip 8.51 and earlier allows remote attackers to execute arbitrary code via a crafted MS-DOS device file, as demonstrated by use of "AUX" as the initial substring of a filename
Published Aug 19, 2017
7.8
HIGHCVSS 3.1
EPSS 2.95%
Description
Stack-based buffer overflow in ESTsoft ALZip 8.51 and earlier allows remote attackers to execute arbitrary code via a crafted MS-DOS device file, as demonstrated by use of "AUX" as the initial substring of a filename.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
7.8 HIGH NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
6.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
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.
2.95% 0.02953
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.02953
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 (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.95% (0.02953) | 86.71th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.84% (0.02838) | 84.76th | v5 (v2026.06.15) |
| Oct 6, 2025 | 10.43% (0.10434) | 92.94th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.23% (0.04227) | 87.70th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.95% (0.02946) | 77.40th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.23% (0.04227) | 88.01th | v4 (v2025.03.14) |
| Dec 17, 2024 | 4.92% (0.04921) | 92.70th | v3 (v2023.03.01) |
| Mar 22, 2024 | 8.86% (0.08860) | 94.41th | v3 (v2023.03.01) |
| Jan 4, 2024 | 7.38% (0.07380) | 93.42th | v3 (v2023.03.01) |
| Nov 23, 2023 | 5.73% (0.05734) | 92.55th | v3 (v2023.03.01) |
| Sep 4, 2023 | 4.03% (0.04031) | 90.95th | v3 (v2023.03.01) |
| Jul 30, 2023 | 2.58% (0.02578) | 88.84th | v3 (v2023.03.01) |
| Jun 29, 2023 | 1.67% (0.01669) | 85.91th | v3 (v2023.03.01) |
| Jun 4, 2023 | 0.60% (0.00599) | 75.35th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.42% (0.00423) | 70.25th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.76% (0.01765) | 76.56th | v2 (v2022.01.01) |
| May 16, 2022 | 1.76% (0.01765) | 74.72th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.61% (0.01611) | 73.77th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.61% (0.01611) | 52.54th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.37% (0.01374) | 32.00th | v1 |
| Jan 6, 2022 | 1.37% (0.01374) | 31.26th | v1 |
| Sep 1, 2021 | 1.37% (0.01374) | 70.79th | v1 |
| Apr 14, 2021 | 1.37% (0.01374) | 0.00th | v1 |
Weaknesses (1)
References (2)
- http://exploit.kitploit.com/2017/08/alzip-851-buffer-overflow.html x_refsource_MISCExploitThird Party Advisory
- http://www.altools.com/ALTools/ALZip/Version-History.aspx x_refsource_MISCRelease NotesVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://exploit.kitploit.com/2017/08/alzip-851-buffer-overflow.html | x_refsource_MISCExploitThird Party Advisory | |
| http://www.altools.com/ALTools/ALZip/Version-History.aspx | x_refsource_MISCRelease NotesVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Aug 19, 2017
Updated Aug 5, 2024
Reserved Jul 13, 2017
Link CVE-2017-11323
CISA Vulnrichment
Updated n/a