Out-of-bounds write in ReadyMedia (formerly MiniDLNA) - CVE-2023-33476
Published: June 22, 2023 / Updated: June 22, 2023
Vulnerability identifier: #VU77642
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2023-33476
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Jakub Vrána
Affected software:
ReadyMedia (formerly MiniDLNA)
ReadyMedia (formerly MiniDLNA)
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when handling HTTP requests using chunked transport encoding. A remote attacker can send a specially crafted HTTP request to the server, trigger an out-of-bounds write and execute arbitrary code on the target system.
How to mitigate CVE-2023-33476
Install updates from vendor's website.
Sources
- https://sourceforge.net/projects/minidlna/
- https://sourceforge.net/p/minidlna/git/ci/9bd58553fae5aef3e6dd22f51642d2c851225aec/
- https://blog.coffinsec.com/0day/2023/05/31/minidlna-heap-overflow-rca.html
- https://lists.debian.org/debian-lts-announce/2023/06/msg00027.html
- https://www.debian.org/security/2023/dsa-5434