Heap-based buffer overflow in hostapd - CVE-2012-4445
Published: October 10, 2012 / Updated: July 28, 2020
Vulnerability identifier: #VU32434
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2012-4445
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Jouni Malinen
Affected software:
hostapd
hostapd
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Heap-based buffer overflow in the eap_server_tls_process_fragment function in eap_server_tls_common.c in the EAP authentication server in hostapd 0.6 through 1.0. A remote attacker can use a small to trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2012-4445
Update to version 1.1.
Sources
- http://osvdb.org/86051
- http://secunia.com/advisories/50805
- http://secunia.com/advisories/50888
- http://w1.fi/gitweb/gitweb.cgi?p=hostap.git;a=commitdiff;h=586c446e0ff42ae00315b014924ec669023bd8de
- http://www.debian.org/security/2012/dsa-2557
- http://www.freebsd.org/security/advisories/FreeBSD-SA-12:07.hostapd.asc
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:168
- http://www.openwall.com/lists/oss-security/2012/10/08/3
- http://www.pre-cert.de/advisories/PRE-SA-2012-07.txt
- http://www.securityfocus.com/bid/55826
- http://www.securitytracker.com/id?1027808
- https://exchange.xforce.ibmcloud.com/vulnerabilities/79104