Arbitrary Code Execution Vulnerability in GNU Chess 6.2.7 via Crafted PGN Data

Arbitrary Code Execution Vulnerability in GNU Chess 6.2.7 via Crafted PGN Data

CVE-2021-30184 · HIGH Severity

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

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