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CVE
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CVE-2009-0887Date: (C)2009-03-12   (M)2017-08-18


Integer signedness error in the _pam_StrTok function in libpam/pam_misc.c in Linux-PAM (aka pam) 1.0.3 and earlier, when a configuration file contains non-ASCII usernames, might allow remote attackers to cause a denial of service, and might allow remote authenticated users to obtain login access with a different user's non-ASCII username, via a login attempt.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : CVSS Score : 6.6
Exploit Score: Exploit Score: 2.7
Impact Score: Impact Score: 10.0
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: LOCAL
Attack Complexity: Access Complexity: MEDIUM
Privileges Required: Authentication: SINGLE_INSTANCE
User Interaction: Confidentiality: COMPLETE
Scope: Integrity: COMPLETE
Confidentiality: Availability: COMPLETE
Integrity:  
Availability:  
  
Reference:
BID-34010
SECUNIA-34733
FEDORA-2009-3204
FEDORA-2009-3231
MDVSA-2009:077
http://openwall.com/lists/oss-security/2009/03/05/1
http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/libpam/pam_misc.c?r1=1.9&r2=1.10&view=patch
http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/libpam/pam_misc.c?view=log
linuxpam-pamstrtok-priv-escalation(49110)

CPE    20
cpe:/a:kernel:linux-pam:0.99.7.0
cpe:/a:kernel:linux-pam:0.99.6.1
cpe:/a:kernel:linux-pam:0.99.6.0
cpe:/a:kernel:linux-pam:0.99.5.0
...
CWE    1
CWE-189
OVAL    5
oval:org.secpod.oval:def:300968
oval:org.secpod.oval:def:700518
oval:org.secpod.oval:def:700516
oval:org.secpod.oval:def:101778
...

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