Advisory Published

USN-4471-1: Net-SNMP vulnerabilities

First published: Mon Aug 24 2020(Updated: )

Tobias Neitzel discovered that Net-SNMP incorrectly handled certain symlinks. An attacker could possibly use this issue to access sensitive information. (CVE-2020-15861) It was discovered that Net-SNMP incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2020-15862)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/libsnmp-base<5.8+dfsg-2ubuntu2.3
5.8+dfsg-2ubuntu2.3
=20.04
All of
ubuntu/libsnmp-perl<5.8+dfsg-2ubuntu2.3
5.8+dfsg-2ubuntu2.3
=20.04
All of
ubuntu/libsnmp35<5.8+dfsg-2ubuntu2.3
5.8+dfsg-2ubuntu2.3
=20.04
All of
ubuntu/snmpd<5.8+dfsg-2ubuntu2.3
5.8+dfsg-2ubuntu2.3
=20.04
All of
ubuntu/libsnmp-base<5.7.3+dfsg-1.8ubuntu3.5
5.7.3+dfsg-1.8ubuntu3.5
=18.04
All of
ubuntu/libsnmp-perl<5.7.3+dfsg-1.8ubuntu3.5
5.7.3+dfsg-1.8ubuntu3.5
=18.04
All of
ubuntu/libsnmp30<5.7.3+dfsg-1.8ubuntu3.5
5.7.3+dfsg-1.8ubuntu3.5
=18.04
All of
ubuntu/snmpd<5.7.3+dfsg-1.8ubuntu3.5
5.7.3+dfsg-1.8ubuntu3.5
=18.04
All of
ubuntu/libsnmp-base<5.7.3+dfsg-1ubuntu4.5
5.7.3+dfsg-1ubuntu4.5
=16.04
All of
ubuntu/libsnmp-perl<5.7.3+dfsg-1ubuntu4.5
5.7.3+dfsg-1ubuntu4.5
=16.04
All of
ubuntu/libsnmp30<5.7.3+dfsg-1ubuntu4.5
5.7.3+dfsg-1ubuntu4.5
=16.04
All of
ubuntu/snmpd<5.7.3+dfsg-1ubuntu4.5
5.7.3+dfsg-1ubuntu4.5
=16.04
All of
ubuntu/libsnmp-base<5.7.2~dfsg-8.1ubuntu3.3+esm1
5.7.2~dfsg-8.1ubuntu3.3+esm1
=14.04
All of
ubuntu/libsnmp-perl<5.7.2~dfsg-8.1ubuntu3.3+esm1
5.7.2~dfsg-8.1ubuntu3.3+esm1
=14.04
All of
ubuntu/libsnmp30<5.7.2~dfsg-8.1ubuntu3.3+esm1
5.7.2~dfsg-8.1ubuntu3.3+esm1
=14.04
All of
ubuntu/snmpd<5.7.2~dfsg-8.1ubuntu3.3+esm1
5.7.2~dfsg-8.1ubuntu3.3+esm1
=14.04
All of
ubuntu/libsnmp-base<5.4.3~dfsg-2.4ubuntu1.5
5.4.3~dfsg-2.4ubuntu1.5
=12.04
All of
ubuntu/libsnmp-perl<5.4.3~dfsg-2.4ubuntu1.5
5.4.3~dfsg-2.4ubuntu1.5
=12.04
All of
ubuntu/libsnmp15<5.4.3~dfsg-2.4ubuntu1.5
5.4.3~dfsg-2.4ubuntu1.5
=12.04
All of
ubuntu/snmpd<5.4.3~dfsg-2.4ubuntu1.5
5.4.3~dfsg-2.4ubuntu1.5
=12.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for this Net-SNMP vulnerability?

    The vulnerability ID for this Net-SNMP vulnerability is CVE-2020-15861.

  • How can an attacker exploit the Net-SNMP vulnerability with CVE-2020-15861?

    An attacker can exploit the Net-SNMP vulnerability with CVE-2020-15861 to access sensitive information.

  • Which software versions are affected by the Net-SNMP vulnerability with CVE-2020-15861?

    The Net-SNMP vulnerability with CVE-2020-15861 affects versions 5.8+dfsg-2ubuntu2.3, 5.7.3+dfsg-1.8ubuntu3.5, 5.7.2~dfsg-8.1ubuntu3.3+esm1, and 5.4.3~dfsg-2.4ubuntu1.5.

  • How do I fix the Net-SNMP vulnerability with CVE-2020-15861?

    To fix the Net-SNMP vulnerability with CVE-2020-15861, update the affected software to version 5.8+dfsg-2ubuntu2.3 or higher.

  • Where can I find more information about the Net-SNMP vulnerability with CVE-2020-15861?

    More information about the Net-SNMP vulnerability with CVE-2020-15861 can be found at the following link: https://ubuntu.com/security/CVE-2020-15861

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