CVE-2015-4141

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-06-15 · updated 2026-06-17
Weakness: CWE-119

Description

The WPS UPnP function in hostapd, when using WPS AP, and wpa_supplicant, when using WPS external registrar (ER), 0.7.0 through 2.4 allows remote attackers to cause a denial of service (crash) via a negative chunk length, which triggers an out-of-bounds read or heap-based buffer overflow.

Affected products

Opensuse: 13.1, 13.2
w1.fi hostapd: 0.7.0, 0.7.1, 0.7.2, 0.7.3, 1.0, 1.1 (+5)
Canonical Ltd. wpa_supplicant: 0.7.0, 0.7.1, 0.7.2, 0.7.3, 1.0, 1.1 (+5)

References

http://lists.opensuse.org/opensuse-updates/2015-06/msg00019.html
http://w1.fi/security/2015-2/wps-upnp-http-chunked-transfer-encoding.txt
http://www.debian.org/security/2015/dsa-3397
http://www.openwall.com/lists/oss-security/2015/05/09/4
http://www.openwall.com/lists/oss-security/2015/05/31/6
http://www.ubuntu.com/usn/USN-2650-1
https://security.gentoo.org/glsa/201606-17
http://lists.opensuse.org/opensuse-updates/2015-06/msg00019.html
http://w1.fi/security/2015-2/wps-upnp-http-chunked-transfer-encoding.txt
http://www.debian.org/security/2015/dsa-3397
http://www.openwall.com/lists/oss-security/2015/05/09/4
http://www.openwall.com/lists/oss-security/2015/05/31/6

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