XML External Entity (XXE) Injection Affecting pki-server package, versions <0:11.0.6-2.el9_0


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    Exploit Maturity
    Proof of concept
    EPSS
    3.56% (92nd percentile)

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  • Snyk ID SNYK-RHEL9-PKISERVER-5573771
  • published 15 Jul 2022
  • disclosed 10 Jun 2022

How to fix?

Upgrade RHEL:9 pki-server to version 0:11.0.6-2.el9_0 or higher.
This issue was patched in RHSA-2022:7326.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pki-server package and not the pki-server package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

Access to external entities when parsing XML documents can lead to XML external entity (XXE) attacks. This flaw allows a remote attacker to potentially retrieve the content of arbitrary files by sending specially crafted HTTP requests.

CVSS Scores

version 3.1
Expand this section

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)
    High
  • Integrity (I)
    None
  • Availability (A)
    None
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Red Hat

7.5 high