CVE Vulnerabilities

CVE-2020-35123

Improper Restriction of XML External Entity Reference

Published: Dec 17, 2020 | Modified: Nov 21, 2024
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
4 MEDIUM
AV:N/AC:L/Au:S/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu

In Zimbra Collaboration Suite Network Edition versions < 9.0.0 P10 and 8.8.15 P17, there exists an XXE vulnerability in the saml consumer store extension, which is vulnerable to XXE attacks. This has been fixed in Zimbra Collaboration Suite Network edition 9.0.0 Patch 10 and 8.8.15 Patch 17.

Weakness

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

Affected Software

Name Vendor Start Version End Version
Collaboration Zimbra 8.8.0 (excluding) 8.8.15 (excluding)
Collaboration Zimbra 8.8.15 (including) 8.8.15 (including)
Collaboration Zimbra 8.8.15-p1 (including) 8.8.15-p1 (including)
Collaboration Zimbra 8.8.15-p10 (including) 8.8.15-p10 (including)
Collaboration Zimbra 8.8.15-p11 (including) 8.8.15-p11 (including)
Collaboration Zimbra 8.8.15-p12 (including) 8.8.15-p12 (including)
Collaboration Zimbra 8.8.15-p13 (including) 8.8.15-p13 (including)
Collaboration Zimbra 8.8.15-p14 (including) 8.8.15-p14 (including)
Collaboration Zimbra 8.8.15-p15 (including) 8.8.15-p15 (including)
Collaboration Zimbra 8.8.15-p16 (including) 8.8.15-p16 (including)
Collaboration Zimbra 8.8.15-p2 (including) 8.8.15-p2 (including)
Collaboration Zimbra 8.8.15-p3 (including) 8.8.15-p3 (including)
Collaboration Zimbra 8.8.15-p4 (including) 8.8.15-p4 (including)
Collaboration Zimbra 8.8.15-p5 (including) 8.8.15-p5 (including)
Collaboration Zimbra 8.8.15-p6 (including) 8.8.15-p6 (including)
Collaboration Zimbra 8.8.15-p7 (including) 8.8.15-p7 (including)
Collaboration Zimbra 8.8.15-p8 (including) 8.8.15-p8 (including)
Collaboration Zimbra 8.8.15-p9 (including) 8.8.15-p9 (including)
Collaboration Zimbra 9.0.0 (including) 9.0.0 (including)
Collaboration Zimbra 9.0.0-p1 (including) 9.0.0-p1 (including)
Collaboration Zimbra 9.0.0-p2 (including) 9.0.0-p2 (including)
Collaboration Zimbra 9.0.0-p3 (including) 9.0.0-p3 (including)
Collaboration Zimbra 9.0.0-p4 (including) 9.0.0-p4 (including)
Collaboration Zimbra 9.0.0-p5 (including) 9.0.0-p5 (including)
Collaboration Zimbra 9.0.0-p6 (including) 9.0.0-p6 (including)
Collaboration Zimbra 9.0.0-p7 (including) 9.0.0-p7 (including)
Collaboration Zimbra 9.0.0-p8 (including) 9.0.0-p8 (including)
Collaboration Zimbra 9.0.0-p9 (including) 9.0.0-p9 (including)

Potential Mitigations

References