#VU32434 Heap-based buffer overflow in hostapd - CVE-2012-4445
Published: October 10, 2012 / Updated: July 28, 2020
Vulnerability identifier: #VU32434
Vulnerability risk: Medium
CVSSv4.0: 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
Vulnerable software:
hostapd
hostapd
Software vendor:
Jouni Malinen
Jouni Malinen
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.
Remediation
Update to version 1.1.
External links
- 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