CVE-2015-4142

Description

Integer underflow in the WMM Action frame parser in hostapd 0.5.5 through 2.4 and wpa_supplicant 0.7.0 through 2.4, when used for AP mode MLME/SME functionality, allows remote attackers to cause a denial of service (crash) via a crafted frame, which triggers an out-of-bounds read.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 3.40% Top 15%
Vendor Advisory fedoraproject.org Vendor Advisory redhat.com Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory ubuntu.com Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory w1.fi
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2015/05/31/6 mailing list
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172608.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1439.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171401.html vendor advisory
http://www.securitytracker.com/id/1032625 vdb entry
http://w1.fi/security/2015-3/integer-underflow-in-ap-mode-wmm-action-frame.txt vendor advisory
http://www.openwall.com/lists/oss-security/2015/05/09/5 mailing list
http://www.debian.org/security/2015/dsa-3397 vendor advisory
https://security.gentoo.org/glsa/201606-17 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2650-1 vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172655.html vendor advisory
http://lists.opensuse.org/opensuse-updates/2015-06/msg00019.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1090.html third party advisory vendor advisory
https://support.apple.com/kb/HT213258
http://seclists.org/fulldisclosure/2022/May/34 mailing list

Frequently Asked Questions

What is the severity of CVE-2015-4142?
CVE-2015-4142 has been scored as a medium severity vulnerability.
How to fix CVE-2015-4142?
To fix CVE-2015-4142, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-4142 being actively exploited in the wild?
It is possible that CVE-2015-4142 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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