Ubuntu Security Notice 5795-2 - USN-5795-1 and 5543-1 fixed several vulnerabilities in Net-SNMP. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. It was discovered that Net-SNMP incorrectly handled certain requests. A remote attacker could possibly use these issues to cause Net-SNMP to crash, resulting in a denial of service.
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Ubuntu Security Notice USN-5795-2
January 16, 2023
net-snmp vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM
Summary:
Several security issues were fixed in Net-SNMP.
Software Description:
- net-snmp: SNMP (Simple Network Management Protocol) server and applications
Details:
USN-5795-1 and 5543-1 fixed several vulnerabilities in Net-SNMP. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
Original advisory details:
It was discovered that Net-SNMP incorrectly handled certain requests. A
remote attacker could possibly use these issues to cause Net-SNMP to crash,
resulting in a denial of service.
Yu Zhang and Nanyu Zhong discovered that Net-SNMP incorrectly handled
memory operations when processing certain requests. A remote attacker could
use this issue to cause Net-SNMP to crash, resulting in a denial of
service, or possibly execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 16.04 ESM:
libsnmp30 5.7.3+dfsg-1ubuntu4.6+esm1
snmp 5.7.3+dfsg-1ubuntu4.6+esm1
snmpd 5.7.3+dfsg-1ubuntu4.6+esm1
Ubuntu 14.04 ESM:
libsnmp30 5.7.2~dfsg-8.1ubuntu3.3+esm3
snmp 5.7.2~dfsg-8.1ubuntu3.3+esm3
snmpd 5.7.2~dfsg-8.1ubuntu3.3+esm3
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5795-2
https://ubuntu.com/security/notices/USN-5795-1
CVE-2022-24805, CVE-2022-24806, CVE-2022-24807, CVE-2022-24808,
CVE-2022-24809, CVE-2022-24810, CVE-2022-44792, CVE-2022-44793