drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Zwei Probleme in Net-SNMP (Aktualisierung)
Name: |
Zwei Probleme in Net-SNMP (Aktualisierung) |
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ID: |
USN-4471-2 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 14.04 ESM |
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Datum: |
Di, 1. September 2020, 23:10 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15861
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15862 |
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Applikationen: |
Net-SNMP |
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Update von: |
Zwei Probleme in Net-SNMP |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-4471-2 September 01, 2020
net-snmp regression ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 ESM
Summary:
USN-4471-1 introduced a regression in Net-SNMP.
Software Description: - net-snmp: SNMP (Simple Network Management Protocol) server and applications
Details:
USN-4471-1 fixed a vulnerability in Net-SNMP. The updated introduced a regression making nsExtendCacheTime not settable. This update fixes the problem adding the cacheTime feature flag.
Original advisory details:
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)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.04 LTS: libsnmp-base 5.7.3+dfsg-1.8ubuntu3.6 libsnmp-perl 5.7.3+dfsg-1.8ubuntu3.6 libsnmp30 5.7.3+dfsg-1.8ubuntu3.6 snmpd 5.7.3+dfsg-1.8ubuntu3.6
Ubuntu 16.04 LTS: libsnmp-base 5.7.3+dfsg-1ubuntu4.6 libsnmp-perl 5.7.3+dfsg-1ubuntu4.6 libsnmp30 5.7.3+dfsg-1ubuntu4.6 snmpd 5.7.3+dfsg-1ubuntu4.6
Ubuntu 14.04 ESM: libsnmp-base 5.7.2~dfsg-8.1ubuntu3.3+esm2 libsnmp-perl 5.7.2~dfsg-8.1ubuntu3.3+esm2 libsnmp30 5.7.2~dfsg-8.1ubuntu3.3+esm2 snmpd 5.7.2~dfsg-8.1ubuntu3.3+esm2
After a standard system update you need to restart snmpd to make all the necessary changes.
References: https://usn.ubuntu.com/4471-2 https://usn.ubuntu.com/4471-1 https://launchpad.net/bugs/1892980
Package Information: https://launchpad.net/ubuntu/+source/net-snmp/5.7.3+dfsg-1.8ubuntu3.6 https://launchpad.net/ubuntu/+source/net-snmp/5.7.3+dfsg-1ubuntu4.6
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