CVE-2018-14526

NameCVE-2018-14526
DescriptionAn 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1462-1
Debian Bugs905739

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
wpa (PTS)jessie, jessie (lts)2.3-1+deb8u14fixed
stretch (security)2:2.4-1+deb9u9fixed
stretch (lts), stretch2:2.4-1+deb9u10fixed
buster2:2.7+git20190128+0c1e29f-6+deb10u3fixed
buster (security)2:2.7+git20190128+0c1e29f-6+deb10u4fixed
bullseye2:2.9.0-21fixed
bookworm2:2.10-12fixed
sid, trixie2:2.10-21.1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
wpasourcewheezy(unfixed)end-of-life
wpasourcejessie2.3-1+deb8u6DLA-1462-1
wpasourcestretch2:2.4-1+deb9u2
wpasource(unstable)2:2.6-18905739

Notes

https://w1.fi/security/2018-1/unauthenticated-eapol-key-decryption.txt
https://w1.fi/security/2018-1/0001-WPA-Ignore-unauthenticated-encrypted-EAPOL-Key-data.patch
https://w1.fi/security/2018-1/rebased-v2.6-0001-WPA-Ignore-unauthenticated-encrypted-EAPOL-Key-data.patch

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