CVE-2021-33896 : Dino before 0.1.2 and 0.2.x before 0.2.1 allows Directory Traversal (only for cr

Dino before 0.1.2 and 0.2.x before 0.2.1 allows Directory Traversal (only for creation of new files) via URI-encoded path separators.

Published 2021-06-07 19:15:08

Updated 2021-06-17 16:18:50

Source MITRE

View at NVD, CVE.org

Vulnerability category: Directory traversal

Products affected by CVE-2021-33896

Fedoraproject » Fedora » Version: 33
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 34
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Matching versions
Dino » Dino
Versions from including (>=) 0.2.0 and before (<) 0.2.1
cpe:2.3:a:dino:dino:*:*:*:*:*:*:*:*
Matching versions
Dino » Dino
Versions before (<) 0.1.2
cpe:2.3:a:dino:dino:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.52%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 64 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:P/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N	3.9	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: Low Availability: None

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Assigned by: nvd@nist.gov (Primary)

https://dino.im/blog/

Blog - Dino. Communicating happiness.
Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P55V3TVSVXREOJAJRXNUSBEUZFOU54V3/

[SECURITY] Fedora 34 Update: dino-0.2.1-1.fc34 - package-announce - Fedora Mailing-Lists
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ODN4ZSTBYIW25DO3FNRK6FQRGSYGT57I/

[SECURITY] Fedora 33 Update: dino-0.1.2-1.fc33 - package-announce - Fedora Mailing-Lists
Not Applicable;Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/06/07/2

oss-security - [CVE-2021-33896] Path traversal in Dino file transfers
Mailing List;Patch;Third Party Advisory
https://dino.im/security/cve-2021-33896/

Path traversal in Dino file transfers - Dino. Communicating happiness.
Patch;Vendor Advisory

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