Bug#464514: [pkg-wpa-devel] Bug#464514: wpasupplicant segfaults after successful authentication

[Kel Modderman]

tags 464514 pending
thanks

On Thursday 07 February 2008 19:56:05 Alex wrote:
 Package: wpasupplicant
 Version: 0.6.2+git20080202.gde6ccd7-1 0
 Severity: critical
 
 
 Using the configuration (no problems with older wpasupplicant)
 network={
   [...]
   key_mgmt=IEEE8021X
   eap=TTLS
   phase2=auth=MSCHAPV2
   [...]
 }
 wpasupplicant dies with:
 --
 AP-TTLS: Phase 2 MSCHAPV2 authentication succeeded
 CTRL-EVENT-EAP-SUCCESS EAP authentication completed successfully
 Speicherzugriffsfehler
 --
 
 -dd shows a massive loop of
 --
 EAPOL: KEY_RX entering state KEY_RECEIVE
 EAPOL: processKey
 EAPOL: RX IEEE 802.1X ver=1 type=3 len=57 EAPOL-Key: type=1 
 key_length=13 key_index=0x2
 --
 after which wpasupplicant finally segfaults.
 
 I downgraded to the version in testing.

I believe to this to be fixed in the current pkg-wpa SVN, which pulled the
latest hostap git and included the following bugfix:

http://w1.fi/gitweb/gitweb.cgi?p=hostap.git;a=commitdiff;h=8c0dad4904474016c373573414c8e16ba51e88ad

Thanks, Kel.



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Bug#464514: wpasupplicant segfaults after successful authentication

[Alex]

Package: wpasupplicant
Version: 0.6.2+git20080202.gde6ccd7-1 0
Severity: critical


Using the configuration (no problems with older wpasupplicant)
network={
 [...]
 key_mgmt=IEEE8021X
 eap=TTLS
 phase2=auth=MSCHAPV2
 [...]
}
wpasupplicant dies with:
--
AP-TTLS: Phase 2 MSCHAPV2 authentication succeeded
CTRL-EVENT-EAP-SUCCESS EAP authentication completed successfully
Speicherzugriffsfehler
--

-dd shows a massive loop of
--
EAPOL: KEY_RX entering state KEY_RECEIVE
EAPOL: processKey
EAPOL: RX IEEE 802.1X ver=1 type=3 len=57 EAPOL-Key: type=1 
key_length=13 key_index=0x2

--
after which wpasupplicant finally segfaults.

I downgraded to the version in testing.


Greetings,
Alex



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Bug#464514: [pkg-wpa-devel] Bug#464514: wpasupplicant segfaults after successful authentication

[kero]

Confirmed, the bugfix applied to the wpasupplicant source is enough to prevent 
the
segfault / infinite loop on my debian unstable system.

(part of) the content of /etc/wpa_supplicant.conf :

ctrl_interface=/var/run/wpa_supplicant
ap_scan=0
# eapol_version=2

network={
ssid=WLAN-PH
#   scan_ssid=1
id_str=philips
key_mgmt=IEEE8021X
eap=TLS
#   eapol_flags=3
...
}



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