high7.8
CVE-2021-30184
GNU Chess 6.2.7 allows attackers to execute arbitrary code via crafted PGN (Portable Game Notation) data.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Gnu | Chess | Version 6.2.7 |
| Fedoraproject | Fedora | Versions 32, 33, 34 |
Weakness classification
References
- NVD record
- CVE.org record
- 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