Description
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.
References (7)
Core 7
Core References
Exploit, Mailing List, Patch, Vendor Advisory x_refsource_misc
https://lists.gnu.org/archive/html/bug-gnu-chess/2021-04/msg00000.html
Exploit, Mailing List, Vendor Advisory x_refsource_misc
https://lists.gnu.org/archive/html/bug-gnu-chess/2021-04/msg00001.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XXOTMUSBVUZNA3JMPG6BU37DQW2YOJWS/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QC74RWMDLSQGV6Z3ZABNTPABB33S4YNF/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SOGPLC77ZL2FACSOE5MWDS3YH3RBNQAQ/
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202107-28
Scores
CVSS v3
7.8
EPSS
0.0066
EPSS Percentile
71.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-120
Status
published
Products (4)
fedoraproject/fedora
32
fedoraproject/fedora
33
fedoraproject/fedora
34
gnu/chess
6.2.7
Published
Apr 07, 2021
Tracked Since
Feb 18, 2026