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amazonAmazonALAS2-2022-1899
HistoryDec 01, 2022 - 8:32 p.m.

Medium: systemd

2022-12-0120:32:00
alas.aws.amazon.com
10

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

5.9 Medium

AI Score

Confidence

High

1.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

12.0%

JSON

Issue Overview:

An off-by-one Error issue was discovered in Systemd in format_timespan() function of time-util.c. An attacker could supply specific values for time and accuracy that leads to buffer overrun in format_timespan(), leading to a Denial of Service. (CVE-2022-3821)

Affected Packages:

systemd

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update systemd to update your system.

New Packages:

aarch64:  
    systemd-219-78.amzn2.0.21.aarch64  
    systemd-libs-219-78.amzn2.0.21.aarch64  
    systemd-devel-219-78.amzn2.0.21.aarch64  
    systemd-sysv-219-78.amzn2.0.21.aarch64  
    systemd-python-219-78.amzn2.0.21.aarch64  
    libgudev1-219-78.amzn2.0.21.aarch64  
    libgudev1-devel-219-78.amzn2.0.21.aarch64  
    systemd-journal-gateway-219-78.amzn2.0.21.aarch64  
    systemd-networkd-219-78.amzn2.0.21.aarch64  
    systemd-resolved-219-78.amzn2.0.21.aarch64  
    systemd-debuginfo-219-78.amzn2.0.21.aarch64  
  
i686:  
    systemd-219-78.amzn2.0.21.i686  
    systemd-libs-219-78.amzn2.0.21.i686  
    systemd-devel-219-78.amzn2.0.21.i686  
    systemd-sysv-219-78.amzn2.0.21.i686  
    systemd-python-219-78.amzn2.0.21.i686  
    libgudev1-219-78.amzn2.0.21.i686  
    libgudev1-devel-219-78.amzn2.0.21.i686  
    systemd-journal-gateway-219-78.amzn2.0.21.i686  
    systemd-networkd-219-78.amzn2.0.21.i686  
    systemd-resolved-219-78.amzn2.0.21.i686  
    systemd-debuginfo-219-78.amzn2.0.21.i686  
  
src:  
    systemd-219-78.amzn2.0.21.src  
  
x86_64:  
    systemd-219-78.amzn2.0.21.x86_64  
    systemd-libs-219-78.amzn2.0.21.x86_64  
    systemd-devel-219-78.amzn2.0.21.x86_64  
    systemd-sysv-219-78.amzn2.0.21.x86_64  
    systemd-python-219-78.amzn2.0.21.x86_64  
    libgudev1-219-78.amzn2.0.21.x86_64  
    libgudev1-devel-219-78.amzn2.0.21.x86_64  
    systemd-journal-gateway-219-78.amzn2.0.21.x86_64  
    systemd-networkd-219-78.amzn2.0.21.x86_64  
    systemd-resolved-219-78.amzn2.0.21.x86_64  
    systemd-debuginfo-219-78.amzn2.0.21.x86_64

Additional References

Red Hat: CVE-2022-3821

Mitre: CVE-2022-3821

OSVersionArchitecturePackageVersionFilename
Amazon Linux2aarch64systemd< 219-78.amzn2.0.21systemd-219-78.amzn2.0.21.aarch64.rpm
Amazon Linux2aarch64systemd-libs< 219-78.amzn2.0.21systemd-libs-219-78.amzn2.0.21.aarch64.rpm
Amazon Linux2aarch64systemd-devel< 219-78.amzn2.0.21systemd-devel-219-78.amzn2.0.21.aarch64.rpm
Amazon Linux2aarch64systemd-sysv< 219-78.amzn2.0.21systemd-sysv-219-78.amzn2.0.21.aarch64.rpm
Amazon Linux2aarch64systemd-python< 219-78.amzn2.0.21systemd-python-219-78.amzn2.0.21.aarch64.rpm
Amazon Linux2aarch64libgudev1< 219-78.amzn2.0.21libgudev1-219-78.amzn2.0.21.aarch64.rpm
Amazon Linux2aarch64libgudev1-devel< 219-78.amzn2.0.21libgudev1-devel-219-78.amzn2.0.21.aarch64.rpm
Amazon Linux2aarch64systemd-journal-gateway< 219-78.amzn2.0.21systemd-journal-gateway-219-78.amzn2.0.21.aarch64.rpm
Amazon Linux2aarch64systemd-networkd< 219-78.amzn2.0.21systemd-networkd-219-78.amzn2.0.21.aarch64.rpm
Amazon Linux2aarch64systemd-resolved< 219-78.amzn2.0.21systemd-resolved-219-78.amzn2.0.21.aarch64.rpm
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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

5.9 Medium

AI Score

Confidence

High

1.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

12.0%

JSON
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