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CVE-2015-8972

Stack-based buffer overflow in the ValidateMove function in frontend/move.cc in GNU Chess (aka gnuchess) before 6.2.4 might allow context-dependent attackers to execute arbitrary code via a large input, as demonstrated when in UCI mode.

Published

2017-01-23T21:59:00.847

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gnu	chess	< 6.2.4	Yes

References

http://lists.gnu.org/archive/html/bug-gnu-chess/2015-10/msg00002.html Exploit, Third Party Advisory ([email protected])
http://svn.savannah.gnu.org/viewvc/chess?revision=134&view=revision Patch, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2016/11/13/2 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2016/11/14/11 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2016/11/14/12 Mailing List, Third Party Advisory ([email protected])
http://lists.gnu.org/archive/html/bug-gnu-chess/2015-10/msg00002.html Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://svn.savannah.gnu.org/viewvc/chess?revision=134&view=revision Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2016/11/13/2 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2016/11/14/11 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2016/11/14/12 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)