SB2021060734 - Path traversal in Dino IM
Published: June 7, 2021 Updated: March 30, 2023
Security Bulletin ID
SB2021060734
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Path traversal (CVE-ID: CVE-2021-33896)
CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSSv4: 6.9 [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]
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.
Remediation
Install update from vendor's website.
References
- https://dino.im/security/cve-2021-33896/
- https://dino.im/blog/
- http://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/