Vulnerability Details CVE-2021-30184
GNU Chess 6.2.7 allows attackers to execute arbitrary code via crafted PGN (Portable Game Notation) data. This is related to a buffer overflow in the use of a .tmp.epd temporary file in the cmd_pgnload and cmd_pgnreplay functions in frontend/cmd.cc.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.014
EPSS Ranking 79.1%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 6.8
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QC74RWMDLSQGV6Z3ZABNTPABB33S4YNF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SOGPLC77ZL2FACSOE5MWDS3YH3RBNQAQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XXOTMUSBVUZNA3JMPG6BU37DQW2YOJWS/
- https://lists.gnu.org/archive/html/bug-gnu-chess/2021-04/msg00000.html
- https://lists.gnu.org/archive/html/bug-gnu-chess/2021-04/msg00001.html
- https://security.gentoo.org/glsa/202107-28
- https://lists.debian.org/debian-lts-announce/2025/01/msg00007.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QC74RWMDLSQGV6Z3ZABNTPABB33S4YNF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SOGPLC77ZL2FACSOE5MWDS3YH3RBNQAQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XXOTMUSBVUZNA3JMPG6BU37DQW2YOJWS/
- https://lists.gnu.org/archive/html/bug-gnu-chess/2021-04/msg00000.html
- https://lists.gnu.org/archive/html/bug-gnu-chess/2021-04/msg00001.html
- https://security.gentoo.org/glsa/202107-28
Products affected by CVE-2021-30184
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cpe:2.3:a:gnu:chess:6.2.7
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cpe:2.3:o:fedoraproject:fedora:32
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cpe:2.3:o:fedoraproject:fedora:33
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cpe:2.3:o:fedoraproject:fedora:34