Security Bulletin
This security bulletin contains one medium risk vulnerability.
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
DescriptionThe 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.
Install update from vendor's website.
Vulnerable software versionsDino: 0.1.0 - 0.2.0
CPE2.3https://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.