#VU67558 Out-of-bounds read in libconfuse - CVE-2022-40320
Published: September 21, 2022
Vulnerability identifier: #VU67558
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-40320
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
libconfuse
libconfuse
Software vendor:
martinh (Martin Hedenfalk)
martinh (Martin Hedenfalk)
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a heap-based buffer over-read within the cfg_tilde_expand() function in confuse.c. A remote attacker can perform a denial of service attack.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
External links
- https://github.com/libconfuse/libconfuse/issues/163
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EDUT2V62V2XF2IT5TJFPB6P3EQ6X5VLL/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FJKHAPJ6AUWVP4HDGKH4M5A2XXWQI73O/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BSAZK4KAWRWNAFUBBXOYU3PVNH3X7226/