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amazonAmazonALAS2-2021-1582
HistoryJan 05, 2021 - 11:34 p.m.

Important: net-snmp

2021-01-0523:34:00
alas.aws.amazon.com
13

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8 High

AI Score

Confidence

High

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

13.3%

Issue Overview:

A flaw was found in Net-SNMP through version 5.73, where an Improper Privilege Management issue occurs due to SNMP WRITE access to the EXTEND MIB allows running arbitrary commands as root. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. (CVE-2020-15862)

Affected Packages:

net-snmp

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 net-snmp to update your system.

New Packages:

aarch64:  
    net-snmp-5.7.2-49.amzn2.1.aarch64  
    net-snmp-utils-5.7.2-49.amzn2.1.aarch64  
    net-snmp-devel-5.7.2-49.amzn2.1.aarch64  
    net-snmp-perl-5.7.2-49.amzn2.1.aarch64  
    net-snmp-gui-5.7.2-49.amzn2.1.aarch64  
    net-snmp-libs-5.7.2-49.amzn2.1.aarch64  
    net-snmp-agent-libs-5.7.2-49.amzn2.1.aarch64  
    net-snmp-python-5.7.2-49.amzn2.1.aarch64  
    net-snmp-sysvinit-5.7.2-49.amzn2.1.aarch64  
    net-snmp-debuginfo-5.7.2-49.amzn2.1.aarch64  
  
i686:  
    net-snmp-5.7.2-49.amzn2.1.i686  
    net-snmp-utils-5.7.2-49.amzn2.1.i686  
    net-snmp-devel-5.7.2-49.amzn2.1.i686  
    net-snmp-perl-5.7.2-49.amzn2.1.i686  
    net-snmp-gui-5.7.2-49.amzn2.1.i686  
    net-snmp-libs-5.7.2-49.amzn2.1.i686  
    net-snmp-agent-libs-5.7.2-49.amzn2.1.i686  
    net-snmp-python-5.7.2-49.amzn2.1.i686  
    net-snmp-sysvinit-5.7.2-49.amzn2.1.i686  
    net-snmp-debuginfo-5.7.2-49.amzn2.1.i686  
  
src:  
    net-snmp-5.7.2-49.amzn2.1.src  
  
x86_64:  
    net-snmp-5.7.2-49.amzn2.1.x86_64  
    net-snmp-utils-5.7.2-49.amzn2.1.x86_64  
    net-snmp-devel-5.7.2-49.amzn2.1.x86_64  
    net-snmp-perl-5.7.2-49.amzn2.1.x86_64  
    net-snmp-gui-5.7.2-49.amzn2.1.x86_64  
    net-snmp-libs-5.7.2-49.amzn2.1.x86_64  
    net-snmp-agent-libs-5.7.2-49.amzn2.1.x86_64  
    net-snmp-python-5.7.2-49.amzn2.1.x86_64  
    net-snmp-sysvinit-5.7.2-49.amzn2.1.x86_64  
    net-snmp-debuginfo-5.7.2-49.amzn2.1.x86_64  

Additional References

Red Hat: CVE-2020-15862

Mitre: CVE-2020-15862

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8 High

AI Score

Confidence

High

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

13.3%