Path traversal in Dino IM



| Updated: 2023-03-30
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-33896
CWE-ID CWE-22
Exploitation vector Network
Public exploit N/A
Vulnerable software
Dino
Client/Desktop applications / Messaging software

Vendor Dino Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Path traversal

EUVDB-ID: #VU74215

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-33896

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can use a specially crafted URI to crate new files on the affected system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dino: 0.1.0 - 0.2.0

CPE2.3 External links

https://dino.im/security/cve-2021-33896/
https://dino.im/blog/
https://www.openwall.com/lists/oss-security/2021/06/07/2
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ODN4ZSTBYIW25DO3FNRK6FQRGSYGT57I/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P55V3TVSVXREOJAJRXNUSBEUZFOU54V3/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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