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libtaxii Server-Side Request Forgery vulnerability

Critical severity GitHub Reviewed Published Apr 30, 2021 to the GitHub Advisory Database • Updated Sep 5, 2023

Package

pip libtaxii (pip)

Affected versions

< 1.1.118

Patched versions

1.1.118

Description

"TAXII libtaxii through 1.1.117, as used in EclecticIQ OpenTAXII through 0.2.0 and other products, allows SSRF via an initial http:// substring to the parse method, even when the no_network setting is used for the XML parser. NOTE: the vendor points out that the parse method "wraps the lxml library" and that this may be an issue to "raise ... to the lxml group.""

References

Published by the National Vulnerability Database Oct 17, 2020
Reviewed Apr 20, 2021
Published to the GitHub Advisory Database Apr 30, 2021
Last updated Sep 5, 2023

Severity

Critical
9.8
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CVE ID

CVE-2020-27197

GHSA ID

GHSA-836c-xg97-8p4h

Source code

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