CVE-2021-39371 - Improper Restriction of XML External Entity Reference

Severity

75%

Complexity

39%

Confidentiality

60%

An XML external entity (XXE) injection in PyWPS before 4.5.0 allows an attacker to view files on the application server filesystem by assigning a path to the entity. OWSLib 0.24.1 may also be affected.

An XML external entity (XXE) injection in PyWPS before 4.4.5 allows an attacker to view files on the application server filesystem by assigning a path to the entity. OWSLib 0.24.1 may also be affected.

CVSS 3.1 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N).

Overview

First reported 3 years ago

2021-08-23 01:15:00

Last updated 3 years ago

2021-09-14 18:46:00

Affected Software

Debian Linux 9.0

9.0

References

https://github.com/geopython/pywps/pull/616

Patch, Third Party Advisory

https://github.com/geopython/OWSLib/issues/790

Issue Tracking, Patch, Third Party Advisory

[debian-lts-announce] 20210904 [SECURITY] [DLA 2754-1] pywps security update

[debian-lts-announce] 20210904 [SECURITY] [DLA 2754-1] pywps security update

Mailing List, Third Party Advisory

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