CVE-2015-4143: Buffer Overflow
First published: Sun May 31 2015(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/wpa | 2:2.7+git20190128+0c1e29f-6+deb10u3 2:2.9.0-21 2:2.10-12 2:2.10-15 | |
| wpa_supplicant | =1.0 | |
| wpa_supplicant | =1.1 | |
| wpa_supplicant | =2.0 | |
| wpa_supplicant | =2.1 | |
| wpa_supplicant | =2.2 | |
| wpa_supplicant | =2.3 | |
| wpa_supplicant | =2.4 | |
| hostapd | =1.0 | |
| hostapd | =1.1 | |
| hostapd | =2.0 | |
| hostapd | =2.1 | |
| hostapd | =2.2 | |
| hostapd | =2.3 | |
| hostapd | =2.4 | |
| SUSE Linux | =13.1 | |
| SUSE Linux | =13.2 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2015-4143
- https://security-tracker.debian.org/tracker/CVE-2015-4144
- https://security-tracker.debian.org/tracker/CVE-2015-4145
- https://security-tracker.debian.org/tracker/CVE-2015-4146
- http://w1.fi/security/2015-4/eap-pwd-missing-payload-length-validation.txt
- https://marc.info/?l=oss-security&m=143309748931862&w=2
- http://rbw.goe.net/jw/debian
- http://w1.fi/security/2015-5/
- https://security-tracker.debian.org/tracker/CVE-2015-4141
- https://security-tracker.debian.org/tracker/CVE-2015-4142
- https://security-tracker.debian.org/wpa
- https://security-tracker.debian.org/tracker/CVE-2015-5310
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=787371
- http://w1.fi/security/2015-4/
- http://w1.fi/security/2015-4/0001-EAP-pwd-peer-Fix-payload-length-validation-for-Commi.patch
- http://w1.fi/security/2015-4/0002-EAP-pwd-server-Fix-payload-length-validation-for-Com.patch
- https://www.openwall.com/lists/oss-security/2015/05/07/5
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00019.html
- http://www.debian.org/security/2015/dsa-3397
- http://www.openwall.com/lists/oss-security/2015/05/09/6
- 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
Frequently Asked Questions
What is the severity of CVE-2015-4143?
CVE-2015-4143 has been classified as a denial of service vulnerability that can lead to a crash.
How do I fix CVE-2015-4143?
To fix CVE-2015-4143, you should upgrade to the patched versions of hostapd and wpa_supplicant, specifically versions 2.7+git20190128+0c1e29f-6+deb10u3 or higher.
Which versions of software are affected by CVE-2015-4143?
CVE-2015-4143 affects hostapd and wpa_supplicant versions from 1.0 to 2.4.
Can CVE-2015-4143 be exploited remotely?
Yes, CVE-2015-4143 can be exploited by remote attackers through crafted Commit or Confirm message payloads.
What are the implications of an out-of-bounds read in CVE-2015-4143?
An out-of-bounds read in CVE-2015-4143 can lead to a denial of service by causing an application crash.
- collector/debian-bugs
- alias/CVE-2015-4143
- collector/security-tracker-debian
- agent/type
- agent/first-publish-date
- agent/references
- agent/severity
- agent/weakness
- agent/author
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- collector/mitre-cve
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- agent/last-modified-date
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- package-manager/debian
- vendor/w1.fi
- canonical/wpa_supplicant
- version/wpa_supplicant/1.0
- version/wpa_supplicant/1.1
- version/wpa_supplicant/2.0
- version/wpa_supplicant/2.1
- version/wpa_supplicant/2.2
- version/wpa_supplicant/2.3
- version/wpa_supplicant/2.4
- canonical/hostapd
- version/hostapd/1.0
- version/hostapd/1.1
- version/hostapd/2.0
- version/hostapd/2.1
- version/hostapd/2.2
- version/hostapd/2.3
- version/hostapd/2.4
- vendor/opensuse
- canonical/suse linux
- version/suse linux/13.1
- version/suse linux/13.2