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Ubuntu: USN-2711-1 Critical: Net-SNMP Denial Of Service

ubuntu
Calendar Grey August 17, 2015
Scroller Ubuntu
Uncover essential Net-SNMP security flaws in Ubuntu systems that may result in system outages or unauthorized code execution.
Net-SNMP could be made to crash or run programs if it received specially crafted network traffic.

Summary

Net-SNMP could be made to crash or run programs if it received specially

crafted network traffic.

Software Description:

- net-snmp: SNMP (Simple Network Management Protocol) server and applications

Details:

It was discovered that Net-SNMP incorrectly handled certain trap messages

when the -OQ option was used. A remote attacker could use this issue to

cause Net-SNMP to crash, resulting in a denial of service. (CVE-2014-3565)

Qinghao Tang discovered that Net-SNMP incorrectly handled SNMP PDU parsing

failures. A remote attacker could use this issue to cause Net-SNMP to

crash, resulting in a denial of service, or possibly execute arbitrary

code. (CVE-2015-5621)

Topics%20covered

Topics Covered

security advisory denial of service critical ubuntu net-snmp

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 15.04:
  libsnmp30                       5.7.2~dfsg-8.1ubuntu5.1

Ubuntu 14.04 LTS:
  libsnmp30                       5.7.2~dfsg-8.1ubuntu3.1

Ubuntu 12.04 LTS:
  libsnmp15                       5.4.3~dfsg-2.4ubuntu1.3

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-2711-1

CVE-2014-3565, CVE-2015-5621

Severity
critical
Lowest
Low
Medium
High
Critical

August 17, 2015

Topics%20covered

Topics Covered

security advisory denial of service critical ubuntu net-snmp

Package Information

https://launchpad.net/ubuntu/+source/net-snmp/5.7.2~dfsg-8.1ubuntu5.1
https://launchpad.net/ubuntu/+source/net-snmp/5.7.2~dfsg-8.1ubuntu3.1
https://launchpad.net/ubuntu/+source/net-snmp/5.4.3~dfsg-2.4ubuntu1.3

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