Heap-based buffer overflow in wpa_supplicant

1) Heap-based buffer overflow

EUVDB-ID: #VU32294

Risk: Medium

CVSSv3.1: 5.5 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-1863

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

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 wpa_supplicant 1.0 through 2.4. A remote attacker can use crafted SSID information in a management frame when creating or updating P2P entries. 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.

Mitigation

Update to version 2.4.0.

Vulnerable software versions

wpa_supplicant: 1.0 - 2.4

External links

http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00000.html
http://packetstormsecurity.com/files/131598/Android-wpa_supplicant-Heap-Overflow.html
http://rhn.redhat.com/errata/RHSA-2015-1090.html
http://seclists.org/fulldisclosure/2015/Apr/82
http://security.alibaba.com/blog/blog.htm?spm=0.0.0.0.p1ECc3&id=19
http://w1.fi/security/2015-1/wpa_supplicant-p2p-ssid-overflow.txt
http://www.debian.org/security/2015/dsa-3233
http://www.securityfocus.com/archive/1/535353/100/0/threaded
http://www.securityfocus.com/bid/74296
http://www.securitytracker.com/id/1032192
http://www.ubuntu.com/usn/USN-2577-1
http://security.gentoo.org/glsa/201606-17

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.