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Race Condition Affecting conmon package, versions <2:2.0.26-3.module+el8.4.0+20195+0a4a4953

Severity

0.0
high
0
10

    Threat Intelligence

    EPSS
    0.21% (59th percentile)

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  • Snyk ID SNYK-ORACLE8-CONMON-2586810
  • published 10 Apr 2022
  • disclosed 27 May 2021
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Introduced: 27 May 2021

CVE-2021-30465 Open this link in a new tab
CWE-362 Open this link in a new tab

How to fix?

Upgrade Oracle:8 conmon to version 2:2.0.26-3.module+el8.4.0+20195+0a4a4953 or higher.
This issue was patched in ELSA-2021-2371.

NVD Description

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

runc before 1.0.0-rc95 allows a Container Filesystem Breakout via Directory Traversal. To exploit the vulnerability, an attacker must be able to create multiple containers with a fairly specific mount configuration. The problem occurs via a symlink-exchange attack that relies on a race condition.

References

CVSS Scores

version 3.1
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Snyk

8.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Changed
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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NVD

8.5 high
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SUSE

8.4 high
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Red Hat

7.5 high