Vulnerability identifier: #VU74198
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
GNU Libmicrohttpd
Other software /
Other software solutions
Vendor: GNU
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of multipart/form-data data within the MHD_create_post_processor() method in the postprocessor.c. A remote attacker can send a specially crafted HTTP POST request to the server and perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
GNU Libmicrohttpd: 0.9.16 - 0.9.75
External links
http://github.com/0xhebi/CVEs/tree/main/GNU%20Libmicrohttpd
http://git.gnunet.org/libmicrohttpd.git/commit/?id=6d6846e20bfdf4b3eb1b592c97520a532f724238
http://lists.gnu.org/archive/html/libmicrohttpd/2023-02/msg00000.html
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.