Access of Resource Using Incompatible Type ('Type Confusion') Affecting net-snmp-agent-libs package, versions <1:5.7.2-24.el7


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    6.71% (94th percentile)

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  • Snyk ID SNYK-RHEL7-NETSNMPAGENTLIBS-4575403
  • published 26 Jul 2021
  • disclosed 31 Aug 2014

How to fix?

Upgrade RHEL:7 net-snmp-agent-libs to version 1:5.7.2-24.el7 or higher.
This issue was patched in RHSA-2015:2345.

NVD Description

Note: Versions mentioned in the description apply only to the upstream net-snmp-agent-libs package and not the net-snmp-agent-libs package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

snmplib/mib.c in net-snmp 5.7.0 and earlier, when the -OQ option is used, allows remote attackers to cause a denial of service (snmptrapd crash) via a crafted SNMP trap message, which triggers a conversion to the variable type designated in the MIB file, as demonstrated by a NULL type in an ifMtu trap message.

CVSS Scores

version 3.1
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NVD

5.3 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    Low
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Red Hat

4.3 medium