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ubuntucveUbuntu.comUB:CVE-2022-23097
HistoryJan 28, 2022 - 12:00 a.m.

CVE-2022-23097

2022-01-2800:00:00
ubuntu.com
ubuntu.com
32
connman
dns proxy
out-of-bounds

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.004

Percentile

73.4%

An issue was discovered in the DNS proxy in Connman through 1.40.
forward_dns_reply mishandles a strnlen call, leading to an out-of-bounds
read.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchconnman< 1.35-6ubuntu0.1~esm1UNKNOWN
ubuntu20.04noarchconnman< 1.36-2ubuntu0.1UNKNOWN
ubuntu22.04noarchconnman< 1.36-2.3ubuntu0.1UNKNOWN
ubuntu16.04noarchconnman< 1.21-1.2+deb8u1ubuntu0.1~esm1UNKNOWN

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.004

Percentile

73.4%