Buffer overflow in the run_last_args function in client/fwknop.c in fwknop before 2.0.3, when processing --last, might allow local users to cause a denial of service (client crash) and possibly execute arbitrary code via many .fwknop.run arguments
Published Oct 22, 2012
4.4
MEDIUMCVSS 2.0
EPSS 0.66%
Description
Buffer overflow in the run_last_args function in client/fwknop.c in fwknop before 2.0.3, when processing --last, might allow local users to cause a denial of service (client crash) and possibly execute arbitrary code via many .fwknop.run arguments.
Affected products
No data.
- ≤ 2.0.2
- 2.0
- 2.0.1
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.
AV:L/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
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 | 0.66% (0.00656) | 49.55th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.66% (0.00656) | 46.37th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.18% (0.00180) | 37.25th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.59% (0.01592) | 75.48th | v2 (v2022.01.01) |
| Mar 4, 2023 | 1.59% (0.01592) | 75.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.59% (0.01592) | 73.48th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.59% (0.01592) | 52.35th | v2 (v2022.01.01) |
References (4)
- http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.html x_refsource_CONFIRMVendor Advisory
- http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=a60f05ad44e824f6230b22f8976399340cb535dc x_refsource_CONFIRM
- http://www.openwall.com/lists/oss-security/2012/09/19/2 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2012/09/20/4 mailing-listx_refsource_MLIST
| Link | Providers | Tags |
|---|---|---|
| http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=a60f05ad44e824f6230b22f8976399340cb535dc | x_refsource_CONFIRM | |
| http://www.openwall.com/lists/oss-security/2012/09/19/2 | mailing-listx_refsource_MLIST | |
| http://www.openwall.com/lists/oss-security/2012/09/20/4 | mailing-listx_refsource_MLIST |
Change history (0)
No recorded changes yet.