Heap-based buffer overflow in wpa_supplicant (Alpine package)

Published: 2015-05-19

Risk	Medium
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2015-1863
CWE-ID	CWE-122
Exploitation vector	Local network
Public exploit	N/A
Vulnerable software Subscribe	wpa_supplicant (Alpine package) Operating systems & Components / Operating system package or component
Vendor	Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

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

Install update from vendor's website.

Vulnerable software versions

wpa_supplicant (Alpine package): 2.0-r0 - 2.0-r1

External links

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.