Vulnerability Monitor

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CVE-2021-22879

Nextcloud Desktop Client prior to 3.1.3 is vulnerable to resource injection by way of missing validation of URLs, allowing a malicious server to execute remote commands. User interaction is needed for exploitation.

Published

2021-04-14T13:15:13.040

Last Modified

2024-11-21T05:50:49.470

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Secondary
CWE-99
Type: Primary
CWE-74

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	nextcloud	desktop	< 3.1.3	Yes
Operating System	fedoraproject	fedora	33	Yes

References

https://github.com/nextcloud/desktop/pull/2906 Patch, Third Party Advisory ([email protected])
https://hackerone.com/reports/1078002 Exploit, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTWBJAS5DJJIK7LLVBZZQTSJASUVIRVE/ ([email protected])
https://nextcloud.com/security/advisory/?id=NC-SA-2021-008 Vendor Advisory ([email protected])
https://security.gentoo.org/glsa/202105-37 Third Party Advisory ([email protected])
https://github.com/nextcloud/desktop/pull/2906 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://hackerone.com/reports/1078002 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTWBJAS5DJJIK7LLVBZZQTSJASUVIRVE/ (af854a3a-2127-422b-91ae-364da2661108)
https://nextcloud.com/security/advisory/?id=NC-SA-2021-008 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202105-37 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)