CRITICAL
gnuchess: Stack-based buffer overflow on user move input
Published Jan 23, 2017
9.8
CRITICALCVSS 3.1
EPSS 3.76%
Description
Stack-based buffer overflow in the ValidateMove function in frontend/move.cc in GNU Chess (aka gnuchess) before 6.2.4 might allow context-dependent attackers to execute arbitrary code via a large input, as demonstrated when in UCI mode.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.1/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
7.8 HIGH Red Hat
CVSS:3.0/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
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.
3.76% 0.03762
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03762
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.76% (0.03762) | 89.56th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.76% (0.03762) | 88.46th | v5 (v2026.06.15) |
| Mar 30, 2025 | 3.21% (0.03207) | 85.87th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.23% (0.09233) | 87.74th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.21% (0.03207) | 86.17th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.42% (0.00423) | 75.10th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.42% (0.00423) | 73.60th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.42% (0.00423) | 70.27th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.58% (0.02578) | 82.08th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.58% (0.02578) | 80.28th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.58% (0.02578) | 61.77th | v2 (v2022.01.01) |
Weaknesses (2)
References (9)
- http://lists.gnu.org/archive/html/bug-gnu-chess/2015-10/msg00002.html mailing-listx_refsource_MLISTExploitThird Party Advisory
- http://svn.savannah.gnu.org/viewvc/chess?revision=134&view=revision x_refsource_CONFIRMPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/11/13/2 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/11/14/11 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/11/14/12 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2015-8972 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1395209 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2015-8972
- https://www.cve.org/CVERecord?id=CVE-2015-8972
| Link | Providers | Tags |
|---|---|---|
| http://lists.gnu.org/archive/html/bug-gnu-chess/2015-10/msg00002.html | mailing-listx_refsource_MLISTExploitThird Party Advisory | |
| http://svn.savannah.gnu.org/viewvc/chess?revision=134&view=revision | x_refsource_CONFIRMPatchThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2016/11/13/2 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2016/11/14/11 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2016/11/14/12 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2015-8972 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1395209 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-8972 | ||
| https://www.cve.org/CVERecord?id=CVE-2015-8972 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 23, 2017
Updated Aug 6, 2024
Reserved Nov 14, 2016
Link CVE-2015-8972
CISA Vulnrichment
Updated n/a