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Mandriva: Subject: [Security Announce] [ MDVSA-2009:271 ] libnasl Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Mandrake A vulnerability has been found and corrected in libnasl: nasl/nasl_crypto2.c in the Nessus Attack Scripting Language library (aka libnasl) 2.2.11 does not properly check the return value from the OpenSSL DSA_do_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077 (CVE-2009-0125). This update fixes this vulnerability.
 _______________________________________________________________________

 Mandriva Linux Security Advisory                         MDVSA-2009:271
 http://www.mandriva.com/security/
 _______________________________________________________________________

 Package : libnasl
 Date    : October 12, 2009
 Affected: Corporate 4.0
 _______________________________________________________________________

 Problem Description:

 A vulnerability has been found and corrected in libnasl:
 
 nasl/nasl_crypto2.c in the Nessus Attack Scripting Language library
 (aka libnasl) 2.2.11 does not properly check the return value from
 the OpenSSL DSA_do_verify function, which allows remote attackers to
 bypass validation of the certificate chain via a malformed SSL/TLS
 signature, a similar vulnerability to CVE-2008-5077 (CVE-2009-0125).
 
 This update fixes this vulnerability.
 _______________________________________________________________________

 References:

 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0125
 _______________________________________________________________________

 Updated Packages:

 Corporate 4.0:
 5d0a75952ac9fa3c8fcf62a00bd072c1  corporate/4.0/i586/libnasl2-2.2.4-1.1.20060mlcs4.i586.rpm
 49a5d1e0e484d36e5fdd31cfeff734b0  corporate/4.0/i586/libnasl2-devel-2.2.4-1.1.20060mlcs4.i586.rpm 
 727b1ff5b789fcce219553b95e1870a0  corporate/4.0/SRPMS/libnasl-2.2.4-1.1.20060mlcs4.src.rpm

 Corporate 4.0/X86_64:
 11e767b9e52c2971e416d3c1207cc602  corporate/4.0/x86_64/lib64nasl2-2.2.4-1.1.20060mlcs4.x86_64.rpm
 105602aac8d6f82ea356916778f64c7c  corporate/4.0/x86_64/lib64nasl2-devel-2.2.4-1.1.20060mlcs4.x86_64.rpm 
 727b1ff5b789fcce219553b95e1870a0  corporate/4.0/SRPMS/libnasl-2.2.4-1.1.20060mlcs4.src.rpm
 _______________________________________________________________________

 To upgrade automatically use MandrivaUpdate or urpmi.  The verification
 of md5 checksums and GPG signatures is performed automatically for you.

 All packages are signed by Mandriva for security.  You can obtain the
 GPG public key of the Mandriva Security Team by executing:

  gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

 You can view other update advisories for Mandriva Linux at:

  http://www.mandriva.com/security/advisories

 If you want to report vulnerabilities, please contact

  security_(at)_mandriva.com
 _______________________________________________________________________

 Type Bits/KeyID     Date       User ID
 pub  1024D/22458A98 2000-07-10 Mandriva Security Team
  
 
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