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Mageia: 2021-0250 Critical: GNU Chess Code Execution Risk

mageia
Calendar Grey June 13, 2021
Dist Mageia Esm H88
CVE-2021-0250 highlights a vulnerability in GNU Chess that permits unauthorized code execution through specially manipulated PGN inputs.
GNU Chess 6.2.7 allows attackers to execute arbitrary code via crafted PGN (Portable Game Notation) data

Summary

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. (CVE-2021-30184).

References

- https://bugs.mageia.org/show_bug.cgi?id=29026

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/QC74RWMDLSQGV6Z3ZABNTPABB33S4YNF/

- https://www.cve.org/CVERecord?id=CVE-2021-30184

Topics%20covered

Topics Covered

security advisory update buffer overflow critical code execution Mageia GNU Chess

Resolution

SRPMS

- 8/core/gnuchess-6.2.7-1.1.mga8

- 7/core/gnuchess-6.2.6-1.1.mga7

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 13 Jun 2021
URL: https://advisories.mageia.org/MGASA-2021-0250.html
Type: security
CVE: CVE-2021-30184

Topics%20covered

Topics Covered

security advisory update buffer overflow critical code execution Mageia GNU Chess

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