Vulnerability identifier: #VU78046
Vulnerability risk: Medium
CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-22
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Mastodon
Server applications /
Other server solutions
Vendor: Mastodon
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 user can send a specially crafted HTTP request and create and overwrite arbitrary files on the system.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Mastodon: 3.5.0 - 3.5.8, 4.1.0 - 4.1.2, 4.0.0 - 4.0.4
External links
http://github.com/mastodon/mastodon/releases/tag/v3.5.9
http://github.com/mastodon/mastodon/security/advisories/GHSA-9928-3cp5-93fm
http://github.com/mastodon/mastodon/commit/dc8f1fbd976ae544720a4e07120d9a91b2722440
http://github.com/mastodon/mastodon/releases/tag/v4.0.5
http://github.com/mastodon/mastodon/releases/tag/v4.1.3
http://www.openwall.com/lists/oss-security/2023/07/06/4
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.