CVE-2015-4141
Vulnerability Summary
Timeline
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.
CVSS Metrics
- v2.0•MEDIUM•Score: 4.3AV:N/AC:M/Au:N/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 1.47%• Percentile: 81%
Techniques & Countermeasures
- CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
Affected Systems
- opensuse•opensuse
13.1 | 13.2
- w1.fi•hostapd
0.7.0 | 0.7.1 | 0.7.2 | 0.7.3 | 1.0 | 1.1 | 2.0 | 2.1 | 2.2 | 2.3 | 2.4
- w1.fi•wpa_supplicant
0.7.0 | 0.7.1 | 0.7.2 | 0.7.3 | 1.0 | 1.1 | 2.0 | 2.1 | 2.2 | 2.3 | 2.4
References (7)
- http://www.openwall.com/lists/oss-security/2015/05/31/6
- http://www.debian.org/security/2015/dsa-3397
- http://w1.fi/security/2015-2/wps-upnp-http-chunked-transfer-encoding.txt
- https://security.gentoo.org/glsa/201606-17
- http://www.ubuntu.com/usn/USN-2650-1
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00019.html
- http://www.openwall.com/lists/oss-security/2015/05/09/4