HIGH
A heap-based buffer over-read exists in the function fast_edit_packet() in the file send_packets.c of Tcpreplay v4.3.0 beta1
Published Sep 28, 2018
7.1
HIGHCVSS 3.0
EPSS 1.21%
Description
A heap-based buffer over-read exists in the function fast_edit_packet() in the file send_packets.c of Tcpreplay v4.3.0 beta1. This can lead to Denial of Service (DoS) and potentially Information Exposure when the application attempts to process a crafted pcap file.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.1 HIGH NVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact High
5.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.21% 0.01211
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.01211
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.21% (0.01211) | 67.39th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.21% (0.01211) | 67.11th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.11% (0.00111) | 44.83th | v3 (v2023.03.01) |
| Jun 21, 2024 | 0.11% (0.00111) | 44.62th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00111) | 42.60th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.78% (0.00777) | 21.50th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.78% (0.00777) | 0.00th | v1 |
Weaknesses (1)
References (2)
- https://github.com/SegfaultMasters/covering360/blob/master/tcpreplay x_refsource_MISCExploitThird Party Advisory
- https://github.com/appneta/tcpreplay/issues/485 x_refsource_MISCExploitPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/SegfaultMasters/covering360/blob/master/tcpreplay | x_refsource_MISCExploitThird Party Advisory | |
| https://github.com/appneta/tcpreplay/issues/485 | x_refsource_MISCExploitPatchThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 28, 2018
Updated Aug 5, 2024
Reserved Sep 28, 2018
Link CVE-2018-17580
CISA Vulnrichment
Updated n/a