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HistoryAug 10, 2023 - 4:15 p.m.
CVE-2023-40216
openbsd
bounds check
console terminal emulation
kernel crash
crafted escape sequences
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
0.0004 Low
EPSS
Percentile
9.2%
OpenBSD 7.3 before errata 014 is missing an argument-count bounds check in console terminal emulation. This could cause incorrect memory access and a kernel crash after receiving crafted DCS or CSI terminal escape sequences.
Affected configurations
Node
openbsdopenbsdMatch7.3-
ORopenbsdopenbsdMatch7.3errata_001
ORopenbsdopenbsdMatch7.3errata_002
ORopenbsdopenbsdMatch7.3errata_003
ORopenbsdopenbsdMatch7.3errata_004
ORopenbsdopenbsdMatch7.3errata_005
ORopenbsdopenbsdMatch7.3errata_006
ORopenbsdopenbsdMatch7.3errata_007
ORopenbsdopenbsdMatch7.3errata_008
ORopenbsdopenbsdMatch7.3errata_009
ORopenbsdopenbsdMatch7.3errata_010
ORopenbsdopenbsdMatch7.3errata_011
ORopenbsdopenbsdMatch7.3errata_012
ORopenbsdopenbsdMatch7.3errata_013
Related
cve
cve
CVE-2023-40216
2023-08-10 16:15:09
prion
prion
Out-of-bounds
2023-08-10 16:15:00
cvelist
cvelist
CVE-2023-40216
2023-08-10 00:00:00
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
0.0004 Low
EPSS
Percentile
9.2%
Related for NVD:CVE-2023-40216