CVE-2020-11535

An issue was discovered in ONLYOFFICE Document Server 5.5.0. An attacker can craft a malicious .docx file, and exploit XML injection to enter an attacker-controlled parameter into the x2t binary, to rewrite this binary and/or libxcb.so.1, and execute code on a victim's server.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#551	Release Notes Third Party Advisory
https://gist.github.com/andrewaeva/beb92d3d2f1c5672dbda5050e323f6a0	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:onlyoffice:document_server:5.5.0:*:*:*:*:*:*:*

Information

Published : 2020-04-15 08:15

Updated : 2020-04-22 11:58

NVD link : CVE-2020-11535

Mitre link : CVE-2020-11535

JSON object : View

CWE

CWE-91

XML Injection (aka Blind XPath Injection)

Products Affected

onlyoffice

document_server

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9.8 /10