| Name | CVE-2015-4141 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-3397-1 |
| Debian Bugs | 787372 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| wpa (PTS) | bullseye (security), bullseye | 2:2.9.0-21+deb11u2 | fixed |
| bookworm, bookworm (security) | 2:2.10-12+deb12u2 | fixed | |
| sid, trixie | 2:2.10-22 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| hostapd | source | squeeze | (not affected) | |||
| hostapd | source | (unstable) | (unfixed) | |||
| wpa | source | wheezy | 1.0-3+deb7u3 | DSA-3397-1 | ||
| wpa | source | jessie | 2.3-1+deb8u3 | DSA-3397-1 | ||
| wpa | source | (unstable) | 2.3-2.2 | 787372 | ||
| wpasupplicant | source | squeeze | (not affected) | |||
| wpasupplicant | source | (unstable) | (unfixed) | unimportant |
[squeeze] - wpasupplicant <not-affected> (Affects v0.7.0-v2.4 with CONFIG_WPS_ER=y in the build configuration)
[squeeze] - hostapd <not-affected> (Affects 0.7.0-v2.4 with CONFIG_WPS_UPNP=y in the build configuration and upnp_iface parameter on runtime)
http://w1.fi/security/2015-2/
http://w1.fi/security/2015-2/wps-upnp-http-chunked-transfer-encoding.txt
https://www.openwall.com/lists/oss-security/2015/05/09/4