Home/CVE/A bug in Nextcloud Server 17.0.1 causes the workflow rules to depend their behaviour on the file extension when checking
CVE

CVE-2019-15613

A bug in Nextcloud Server 17.0.1 causes the workflow rules to depend their behaviour on the file extension when checking

A bug in Nextcloud Server 17.0.1 causes the workflow rules to depend their behaviour on the file extension when checking file mimetypes.

HIGH · CVSS 8 EPSS 0.0025
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
CWE-345Insufficient Verification of Data Authenticity
▤

Affected Products & Versions

4
nextcloud server< 15.0.14
nextcloud server>= 16.0.0 and < 16.0.7
nextcloud server>= 17.0.0 and < 17.0.2
opensuse backportsall versions
▣

Scoring & Timeline

8
HIGH · CVSS v3.1 · support@hackerone.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Feb 2020 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

2
suse-csafopenSUSE-SU-2020:0229-1
suse-csafopenSUSE-SU-2020:0220-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.htmlMailing ListThird Party Advisory
https://hackerone.com/reports/697959PatchThird Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-002Broken LinkVendor Advisory
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