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osvGoogleOSV:USN-5583-1
HistoryAug 29, 2022 - 8:54 a.m.

systemd vulnerability

2022-08-2908:54:00
Google
osv.dev
4
systemd
dns requests
vulnerability
user-after-free
crash
arbitrary code
cve-2022-2526

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8 High

AI Score

Confidence

Low

0.002 Low

EPSS

Percentile

59.7%

It was discovered that systemd incorrectly handled certain DNS requests,
which leads to user-after-free vulnerability. An attacker could possibly use
this issue to cause a crash or execute arbitrary code. (CVE-2022-2526)

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8 High

AI Score

Confidence

Low

0.002 Low

EPSS

Percentile

59.7%