XXE Vulnerability in CALDERA 2.9.0 from Mitre
CVE-2021-42560

8.8HIGH

Key Information:

Vendor

Mitre

Status
Caldera
Vendor
CVE Published:
12 January 2022

Badges

👾 Exploit Exists🟣 EPSS 10%

What is CVE-2021-42560?

In CALDERA version 2.9.0, a vulnerability exists that involves the Debrief plugin, which improperly handles base64 encoded 'SVG' parameters during PDF generation. The unsafe parsing of these SVG documents creates a pathway for potential exploitation via XML External Entity (XXE) attacks. This could lead to severe consequences, including file exfiltration, server-side request forgery, and out-of-band data exfiltration. Security measures should be taken to mitigate this risk.

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References

https://github.com/mitre/caldera/releases
x_refsource_MISC
https://github.com/DrunkenShells/Disclosures/tree/master/...
x_refsource_MISC

EPSS Score

10% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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