Vulnerability Monitor

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CVE-2020-14983

The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.

Published

2020-06-22T20:15:11.380

Last Modified

2024-11-21T05:04:34.750

Status

Modified

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-120

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	chocolate-doom	chocolate_doom	3.0.0	Yes
Application	chocolate-doom	crispy_doom	5.8.0	Yes
Operating System	opensuse	backports	sle-15	Yes
Operating System	opensuse	leap	15.1	Yes
Operating System	opensuse	leap	15.2	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00002.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00007.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00012.html Mailing List, Third Party Advisory ([email protected])
https://github.com/chocolate-doom/chocolate-doom/issues/1293 Exploit, Patch, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00002.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00007.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00012.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/chocolate-doom/chocolate-doom/issues/1293 Exploit, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)