Vulnerability CVE-2021-44537

Vulnerability Name:

CVE-2021-44537 (CCN-217482)

Assigned:

2021-12-21

Published:

2021-12-21

Updated:

2022-09-21

Summary:

ownCloud owncloud/client before 2.9.2 allows Resource Injection by a server into the desktop client via a URL, leading to remote code execution.

CVSS v3 Severity:

7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

4.7 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:L)
4.1 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): High Privileges Required (PR): High User Interaction (UI): Required
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): Low

CVSS v2 Severity:

6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

3.4 Low (CCN CVSS v2 Vector: AV:L/AC:H/Au:M/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): High Athentication (Au): Multiple_Instances
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

Vulnerability Type:

CWE-74

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2021-44537

Source: XF
Type: UNKNOWN
owncloud-cve202144537-code-exec(217482)

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-d6faaa50eb

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-8d623b4c3f

Source: CCN
Type: ownCloud Web site
Missing URL validation allowed RCE on the desktop client

Source: MISC
Type: Vendor Advisory
https://owncloud.com/security-advisories/cve-2021-44537/

Vulnerable Configuration:

Configuration 1:

cpe:/a:owncloud:owncloud_desktop_client:*:*:*:*:*:*:*:* (Version < 2.9.2)

Configuration 2:

cpe:/o:fedoraproject:fedora:35:*:*:*:*:*:*:*

OR cpe:/o:fedoraproject:fedora:36:*:*:*:*:*:*:*

Denotes that component is vulnerable

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