Vulnerability Description
An issue was discovered in rsn_supp/wpa.c in wpa_supplicant 2.0 through 2.6. Under certain conditions, the integrity of EAPOL-Key messages is not checked, leading to a decryption oracle. An attacker within range of the Access Point and client can abuse the vulnerability to recover sensitive information.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Ubuntu Linux | 14.04 |
| Debian | Debian Linux | 8.0 |
| W1.Fi | Wpa Supplicant | >= 2.0, <= 2.6 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00013.html
- http://www.securitytracker.com/id/1041438Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:3107
- https://cert-portal.siemens.com/productcert/pdf/ssa-344983.pdf
- https://lists.debian.org/debian-lts-announce/2018/08/msg00009.htmlMailing ListThird Party Advisory
- https://papers.mathyvanhoef.com/woot2018.pdfTechnical DescriptionThird Party Advisory
- https://security.FreeBSD.org/advisories/FreeBSD-SA-18:11.hostapd.ascMitigationPatchThird Party Advisory
- https://usn.ubuntu.com/3745-1/Third Party Advisory
- https://w1.fi/security/2018-1/unauthenticated-eapol-key-decryption.txtMitigationPatchVendor Advisory
- https://www.us-cert.gov/ics/advisories/icsa-19-344-01
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00013.html
- http://www.securitytracker.com/id/1041438Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:3107
- https://cert-portal.siemens.com/productcert/pdf/ssa-344983.pdf
- https://lists.debian.org/debian-lts-announce/2018/08/msg00009.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2018-14526?
CVE-2018-14526 is a vulnerability with a CVSS score of 6.5 (MEDIUM). An issue was discovered in rsn_supp/wpa.c in wpa_supplicant 2.0 through 2.6. Under certain conditions, the integrity of EAPOL-Key messages is not checked, leading to a decryption oracle. An attacker w...
How severe is CVE-2018-14526?
CVE-2018-14526 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-14526?
Check the references section above for vendor advisories and patch information. Affected products include: Canonical Ubuntu Linux, Debian Debian Linux, W1.Fi Wpa Supplicant.