Buffer overflow in GNU Chess
CVE-2015-8972
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.038 (89.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.038 · newest: 0.038 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2016/11/13/2 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/11/14/12 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/11/14/11 (mailing-list, Mailing List, Third Party Advisory)
- svn.savannah.gnu.org/viewvc/chess (Patch, Third Party Advisory)
- lists.gnu.org/archive/html/bug-gnu-chess/2015-10/msg00002.html (mailing-list, Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2015-8972?
- CVE-2015-8972 is a critical-severity vulnerability in GNU Chess, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-01-23.
- How severe is CVE-2015-8972?
- Critical severity. CVSS v3 base score is 9.8 out of 10.