Allocation of Resources Without Limits or Throttling Affecting conmon package, versions <3:2.1.10-1.module+el8.10.0+21077+98b84d8a


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.21% (60th percentile)

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  • Snyk ID SNYK-CENTOS8-CONMON-3041406
  • published 7 Oct 2022
  • disclosed 4 Oct 2022

How to fix?

Upgrade Centos:8 conmon to version 3:2.1.10-1.module+el8.10.0+21077+98b84d8a or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream conmon package and not the conmon package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

Reader.Read does not set a limit on the maximum size of file headers. A maliciously crafted archive could cause Read to allocate unbounded amounts of memory, potentially causing resource exhaustion or panics. After fix, Reader.Read limits the maximum size of header blocks to 1 MiB.

CVSS Scores

version 3.1
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NVD

7.5 high
  • 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)
    High
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Red Hat

6.5 medium
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SUSE

7.5 high