hostapd/wpa_supplicant EAP-pwd Server memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in hostapd and wpa_supplicant. Affected by this issue is some unknown functionality of the component EAP-pwd Server. The manipulation leads to memory corruption. This vulnerability is handled as CVE-2015-4143. There is no exploit available. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Detailsinfo

A vulnerability classified as problematic was found in hostapd and wpa_supplicant (affected version not known). Affected by this vulnerability is some unknown functionality of the component EAP-pwd Server. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. The summary by CVE is:

The EAP-pwd server and peer implementation in hostapd and wpa_supplicant 1.0 through 2.4 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted (1) Commit or (2) Confirm message payload.

The weakness was shared 06/15/2015 (oss-sec). The advisory is shared at openwall.com. This vulnerability is known as CVE-2015-4143 since 05/31/2015. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 83964 (FreeBSD : hostapd and wpa_supplicant -- multiple vulnerabilities (bbc0db92-084c-11e5-bb90-002590263bf5)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169165 (SUSE Enterprise Linux Security Update for wpa_supplicant (SUSE-SU-2016:2305-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (83964), SecurityFocus (BID 74549†) and Vulnerability Center (SBV-51806†). The entries VDB-75887, VDB-75888, VDB-75890 and VDB-75891 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 83964
Nessus Name: FreeBSD : hostapd and wpa_supplicant -- multiple vulnerabilities (bbc0db92-084c-11e5-bb90-002590263bf5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703397
OpenVAS Name: Debian Security Advisory DSA 3397-1 (wpa - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/01/2012 🔍
05/31/2015 +1246 days 🔍
06/15/2015 +15 days 🔍
06/15/2015 +0 days 🔍
06/16/2015 +1 days 🔍
08/09/2015 +54 days 🔍
05/21/2022 +2477 days 🔍

Sourcesinfo

Advisory: USN-2650-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-4143 (🔍)
GCVE (CVE): GCVE-0-2015-4143
GCVE (VulDB): GCVE-100-75889

OVAL: 🔍

SecurityFocus: 74549
Vulnerability Center: 51806 - hostapd and wpa_supplicant 1.0 through 2.4 Remote DoS via Confirm Message Upload, Medium

See also: 🔍

Entryinfo

Created: 06/16/2015 10:15 AM
Updated: 05/21/2022 08:19 AM
Changes: 06/16/2015 10:15 AM (55), 10/01/2017 08:25 PM (9), 05/21/2022 08:15 AM (3), 05/21/2022 08:19 AM (1)
Complete: 🔍
Cache ID: 18:708:40

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