sharutils: heap-buffer-overflow in find_archive in unshar.c
Published Mar 13, 2018
7.8
HIGHCVSS 3.0
EPSS 1.96%
Description
Sharutils sharutils (unshar command) version 4.15.2 contains a Buffer Overflow vulnerability in Affected component on the file unshar.c at line 75, function looks_like_c_code. Failure to perform checking of the buffer containing input line. that can result in Could lead to code execution. This attack appear to be exploitable via Victim have to run unshar command on a specially crafted file..
Affected products
No data.
Configuration 1
- 14.04
- 16.04
- 17.10
- 8.0
- 9.0
No data.
Red Hat Enterprise Linux 5
sharutils
Not affected
Red Hat Enterprise Linux 6
sharutils
Not affected
Red Hat Enterprise Linux 7
sharutils
Not affected
Red Hat Enterprise Linux 8
sharutils
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | sharutils | Not affected | n/a |
| Red Hat Enterprise Linux 6 | sharutils | Not affected | n/a |
| Red Hat Enterprise Linux 7 | sharutils | Not affected | n/a |
| Red Hat Enterprise Linux 8 | sharutils | Not affected | n/a |
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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
AV:N/AC:M/Au:N/C:P/I:P/A:P
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.96% (0.01957) | 79.56th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.03% (0.02026) | 78.41th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.86% (0.02856) | 85.00th | v4 (v2025.03.14) |
| Mar 29, 2025 | 8.67% (0.08673) | 87.21th | v4 (v2025.03.14) |
| Mar 28, 2025 | 2.86% (0.02856) | 85.00th | v4 (v2025.03.14) |
| Mar 27, 2025 | 8.67% (0.08673) | 91.24th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.86% (0.02856) | 85.31th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.30% (0.00304) | 70.54th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.30% (0.00304) | 68.88th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.30% (0.00304) | 64.94th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.60% (0.01603) | 75.67th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.56% (0.01559) | 51.96th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.46% (0.01458) | 32.87th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.46% (0.01458) | 0.00th | v1 |
References (7)
- http://seclists.org/bugtraq/2018/Feb/54 mailing-listx_refsource_BUGTRAQMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2018-1000097 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1548018 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2018-1000097
- https://usn.ubuntu.com/3605-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-1000097
- https://www.debian.org/security/2018/dsa-4167 vendor-advisoryx_refsource_DEBIANThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://seclists.org/bugtraq/2018/Feb/54 | mailing-listx_refsource_BUGTRAQMailing ListThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2018-1000097 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1548018 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-1000097 | ||
| https://usn.ubuntu.com/3605-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-1000097 | ||
| https://www.debian.org/security/2018/dsa-4167 | vendor-advisoryx_refsource_DEBIANThird Party Advisory |
Change history (0)
No recorded changes yet.