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(parent: fc1dae5) | patch
hostapd: fix multiple security problems
authorHauke Mehrtens <hauke@hauke-m.de>
Fri, 17 May 2019 21:22:02 +0000 (23:22 +0200)
committerHauke Mehrtens <hauke@hauke-m.de>
Fri, 21 Jun 2019 08:29:23 +0000 (10:29 +0200)
commitb463a13881d3699c0f2d67ceeda146c76af58ac6
tree117e73afb22cfa753cdc076a063ae22cd33fb194tree | snapshot
parentfc1dae5be797f54d45f5a61ae17fe548e108dd0dcommit | diff
hostapd: fix multiple security problems

This fixes the following security problems:
* CVE-2019-9494:  cache attack against SAE
* CVE-2019-9495:  cache attack against EAP-pwd
* CVE-2019-9496:  SAE confirm missing state validation in hostapd/AP
* CVE-2019-9497:  EAP-pwd server not checking for reflection attack)
* CVE-2019-9498:  EAP-pwd server missing commit validation for scalar/element
* CVE-2019-9499:  EAP-pwd peer missing commit validation for scalar/element
* CVE-2019-11555: EAP-pwd message reassembly issue with unexpected fragment

Most of these problems are not relevant for normal users, SAE is only
used in ieee80211s mesh mode and EAP-pwd is normally not activated.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
19 files changed:
package/network/services/hostapd/Makefile diff | blob | history
package/network/services/hostapd/patches/060-0001-EAP-pwd-Move-EC-group-initialization-to-earlier-step.patch [new file with mode: 0644] blob
package/network/services/hostapd/patches/060-0002-EAP-pwd-Mask-timing-of-PWE-derivation.patch [new file with mode: 0644] blob
package/network/services/hostapd/patches/061-0001-OpenSSL-Use-constant-time-operations-for-private-big.patch [new file with mode: 0644] blob
package/network/services/hostapd/patches/061-0002-Add-helper-functions-for-constant-time-operations.patch [new file with mode: 0644] blob
package/network/services/hostapd/patches/061-0003-OpenSSL-Use-constant-time-selection-for-crypto_bignu.patch [new file with mode: 0644] blob
package/network/services/hostapd/patches/061-0005-SAE-Minimize-timing-differences-in-PWE-derivation.patch [new file with mode: 0644] blob
package/network/services/hostapd/patches/061-0006-SAE-Avoid-branches-in-is_quadratic_residue_blind.patch [new file with mode: 0644] blob
package/network/services/hostapd/patches/061-0007-SAE-Mask-timing-of-MODP-groups-22-23-24.patch [new file with mode: 0644] blob
package/network/services/hostapd/patches/061-0008-SAE-Use-const_time-selection-for-PWE-in-FFC.patch [new file with mode: 0644] blob
package/network/services/hostapd/patches/061-0009-SAE-Use-constant-time-operations-in-sae_test_pwd_see.patch [new file with mode: 0644] blob
package/network/services/hostapd/patches/062-0004-EAP-pwd-Use-constant-time-and-memory-access-for-find.patch [new file with mode: 0644] blob
package/network/services/hostapd/patches/063-0010-SAE-Fix-confirm-message-validation-in-error-cases.patch [new file with mode: 0644] blob
package/network/services/hostapd/patches/064-0011-EAP-pwd-server-Verify-received-scalar-and-element.patch [new file with mode: 0644] blob
package/network/services/hostapd/patches/064-0012-EAP-pwd-server-Detect-reflection-attacks.patch [new file with mode: 0644] blob
package/network/services/hostapd/patches/064-0013-EAP-pwd-client-Verify-received-scalar-and-element.patch [new file with mode: 0644] blob
package/network/services/hostapd/patches/064-0014-EAP-pwd-Check-element-x-y-coordinates-explicitly.patch [new file with mode: 0644] blob
package/network/services/hostapd/patches/065-0001-EAP-pwd-server-Fix-reassembly-buffer-handling.patch [new file with mode: 0644] blob
package/network/services/hostapd/patches/065-0003-EAP-pwd-peer-Fix-reassembly-buffer-handling.patch [new file with mode: 0644] blob
Staging tree of Christian Lamparter