The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a database and tools to fix them.
History of vulnerabilities analyzed by Vigil@nce:

security weakness CVE-2010-1644

Cacti: three Cross Site Scripting

Synthesis of the vulnerability

Three Cross Site Scripting of Cacti can be used by an attacker in order to execute JavaScript code in the context of the web site.
Severity: 2/4.
Number of vulnerabilities in this bulletin: 3.
Creation date: 24/05/2010.
Identifiers: BID-40332, CVE-2010-1644, DSA-2384-1, DSA-2384-2, FEDORA-2010-9036, FEDORA-2010-9047, FEDORA-2010-9062, MDVSA-2010:160, RHSA-2010:0635-01, VIGILANCE-VUL-9660.
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Description of the vulnerability

Three Cross Site Scripting were announced in Cacti.

The hostname parameter is not correctly filtered. [severity:2/4]

The host_id parameter is not correctly filtered. [severity:2/4]

The description parameter is not correctly filtered. [severity:2/4]

An attacker can therefore execute JavaScript code in the context of the Cacti web site.
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cybersecurity vulnerability CVE-2010-1639

ClamAV: buffer overflow via PDF

Synthesis of the vulnerability

An attacker can send a malformed PDF document, in order to stop ClamAV, and possibly to execute code.
Severity: 2/4.
Creation date: 21/05/2010.
Identifiers: BID-40317, CVE-2010-1639, FEDORA-2010-13012, FEDORA-2011-2741, FEDORA-2011-2743, MDVSA-2010:110, SUSE-SR:2010:014, VIGILANCE-VUL-9659.
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Description of the vulnerability

A PDF document contains Streams objects, which can be compressed with the DEFLATE algorithm.

The cli_pdf() function of the libclamav/pdf.c file allocates a memory area to store uncompressed data. However, data can be larger than the allocated size, which generates a buffer overflow.

An attacker can therefore send a malformed PDF document, in order to stop ClamAV, and possibly to execute code.
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vulnerability announce CVE-2010-1447

Perl: bypassing Safe.pm via sub references

Synthesis of the vulnerability

An attacker can use a reference on a subroutine, in order to bypass restrictions imposed by the Safe.pm module of Perl.
Severity: 2/4.
Creation date: 21/05/2010.
Identifiers: 588269, BID-40305, CVE-2010-1447, DSA-2267-1, FEDORA-2010-11323, FEDORA-2010-11340, MDVSA-2010:115, openSUSE-SU-2010:0518-1, openSUSE-SU-2010:0519-1, PSN-2012-08-686, PSN-2012-08-687, PSN-2012-08-688, PSN-2012-08-689, PSN-2012-08-690, RHSA-2010:0457-01, RHSA-2010:0458-02, SUSE-SR:2010:016, VIGILANCE-VUL-9658, VMSA-2010-0013, VMSA-2010-0013.1, VMSA-2010-0013.2, VMSA-2010-0013.3.
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Description of the vulnerability

The Safe.pm module creates an environment restricting Perl features:
 - Safe::reval("here a Perl code") : the Perl code is restricted
 - Safe::rdo("file") : the Perl code located inside the file is restricted

However, a malicious Perl code can define a reference on a subroutine, which is used after the restricted environment.

An attacker can therefore use a reference on a subroutine, in order to bypass restrictions imposed by the Safe.pm module of Perl.
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security alert CVE-2010-1168

Perl: bypassing Safe.pm via overloading

Synthesis of the vulnerability

An attacker can define methods or overload operators, in order to bypass restrictions imposed by the Safe.pm module of Perl.
Severity: 2/4.
Number of vulnerabilities in this bulletin: 2.
Creation date: 21/05/2010.
Identifiers: 576508, BID-40302, CERTA-2010-AVI-580, CVE-2010-1168, CVE-2010-1974-REJECT, FEDORA-2010-11323, FEDORA-2010-11340, MDVSA-2010:115, openSUSE-SU-2010:0518-1, openSUSE-SU-2010:0519-1, RHSA-2010:0457-01, RHSA-2010:0458-02, SUSE-SR:2010:016, VIGILANCE-VUL-9657, VMSA-2010-0013, VMSA-2010-0013.1, VMSA-2010-0013.2, VMSA-2010-0013.3.
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Description of the vulnerability

The Safe.pm module creates an environment restricting Perl features:
 - Safe::reval("here a Perl code") : the Perl code is restricted
 - Safe::rdo("file") : the Perl code located inside the file is restricted

However, a malicious Perl code can:
 - define a destructor (DESTROY)
 - define an AUTOLOAD
 - overload an operator
The code located in these elements is not filtered.

An attacker can therefore define methods or overload operators, in order to bypass restrictions imposed by the Safe.pm module of Perl.
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vulnerability note CVE-2009-4032

Cacti: four Cross Site Scripting

Synthesis of the vulnerability

Four Cross Site Scripting of Cacti can be used by an attacker in order to execute JavaScript code in the context of the web site.
Severity: 2/4.
Number of vulnerabilities in this bulletin: 4.
Creation date: 20/05/2010.
Identifiers: BID-37109, CVE-2009-4032, DSA-1954-1, FEDORA-2009-12560, FEDORA-2009-12575, RHSA-2010:0635-01, SUSE-SR:2009:020, VIGILANCE-VUL-9656.
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Description of the vulnerability

Four Cross Site Scripting were announced in Cacti.

The graph_end parameter of the graph.php script is not correctly filtered. [severity:2/4]

The date1 parameter of the graph_view.php script is not correctly filtered. [severity:1/4]

The page_refresh/default_dual_pane_width parameter of the graph_settings.php script is not correctly filtered. [severity:1/4]

The graph_start parameter of the graph.php script is not correctly filtered. [severity:2/4]

An attacker can therefore execute JavaScript code in the context of the Cacti web site.
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weakness CVE-2010-0776 CVE-2010-0777 CVE-2010-0779

WebSphere AS 6.0: five vulnerabilities

Synthesis of the vulnerability

An attacker can obtain information or generate a denial of service via Websphere Application Server.
Severity: 2/4.
Number of vulnerabilities in this bulletin: 5.
Creation date: 19/05/2010.
Revision date: 27/09/2010.
Identifiers: 59647, BID-40277, BID-40321, BID-41081, BID-41084, BID-41149, BID-43425, CVE-2010-0776, CVE-2010-0777, CVE-2010-0779, CVE-2010-0781, CVE-2010-2324, CVE-2010-2327, PM06111, PM08760, PM09250, PM10270, PM11807, swg27006876, VIGILANCE-VUL-9655, was-admin-xss, was-webcontainer-dos, was-webcontainer-info-disclosure.
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Description of the vulnerability

Five vulnerabilities were announced in Websphere Application Server.

An attacker can generate a Cross Site Scripting in the administration console. [severity:2/4; 59647, BID-41084, BID-41149, CVE-2010-0779, CVE-2010-2324, PM09250, was-admin-xss]

An attacker can use a special url, in order to overload the processor. [severity:2/4; BID-43425, CVE-2010-0781, PM11807]

When a filename is longer than 20 characters, an attacker can obtain it. [severity:2/4; BID-40277, CVE-2010-0777, PM06111, was-webcontainer-info-disclosure]

An attacker can use a Transfer-Encoding:chunked in order to generate a denial of service. [severity:2/4; BID-40321, CVE-2010-0776, PM08760, was-webcontainer-dos]

An attacker can upload a SSL file larger than 2Go, in order to create a denial of service. [severity:1/4; BID-41081, CVE-2010-2327, PM10270]
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computer weakness announce CVE-2010-0408 CVE-2010-0434 CVE-2010-0768

WebSphere AS 6.1: nine vulnerabilities

Synthesis of the vulnerability

An attacker can generate a Cross Site Scripting, create a denial of service or obtain information via Websphere Application Server.
Severity: 2/4.
Number of vulnerabilities in this bulletin: 9.
Creation date: 19/05/2010.
Identifiers: 57164, 57182, 57185, BID-38491, BID-38494, BID-38580, BID-39295, BID-39567, BID-40277, BID-40321, BID-40322, BID-40325, CERTA-2010-AVI-142, CERTA-2010-AVI-225, CERTA-2011-AVI-254, CVE-2010-0408, CVE-2010-0434, CVE-2010-0768, CVE-2010-0769, CVE-2010-0770, CVE-2010-0774, CVE-2010-0775, CVE-2010-0776, CVE-2010-0777, CVE-2010-1650, PK93653, PK95089, PK96427, PK97376, PM05663, PM06111, PM06839, PM08760, PM08939, VIGILANCE-VUL-9654, was-dmgr-nodeagent-dos, was-pkipath-security-bypass, was-webcontainer-dos, was-webcontainer-info-disclosure.
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Description of the vulnerability

Nine vulnerabilities were announced in Websphere Application Server 6.1.

An attacker can generate a Cross Site Scripting in the administration console. [severity:2/4; 57164, BID-39295, CERTA-2010-AVI-142, CVE-2010-0768, PK97376]

An attacker can generate a denial of service in the management of ORB threads. [severity:2/4; 57182, CVE-2010-0770, PK93653]

When J2CConnectionFactory is defined, KeyRingPassword is stored unencrypted in the resources.xml file. [severity:2/4; 57185, BID-39567, CVE-2010-0769, PK95089]

When the "-trace" option is enabled, log files contain sensitive information. [severity:1/4; CVE-2010-1650, PM06839]

An attacker can bypass access restrictions of WebServices PKIPath and PKCS#7 in JAX-RPC WS-Security 1.0 and JAX-WS. [severity:2/4; BID-40322, CVE-2010-0774, PK96427, was-pkipath-security-bypass]

An attacker can generate a denial of service in Deployment Manager and nodeagent. [severity:1/4; BID-40325, CERTA-2010-AVI-225, CVE-2010-0775, PM05663, was-dmgr-nodeagent-dos]

An attacker can use a Transfer-Encoding:chunked in order to generate a denial of service. [severity:2/4; BID-40321, CVE-2010-0776, PM08760, was-webcontainer-dos]

When a filename is longer than 20 characters, an attacker can obtain it. [severity:2/4; BID-40277, CVE-2010-0777, PM06111, was-webcontainer-info-disclosure]

Two vulnerabilities impact Apache (VIGILANCE-VUL-9487 and VIGILANCE-VUL-9490). [severity:2/4; BID-38491, BID-38494, BID-38580, CERTA-2011-AVI-254, CVE-2010-0408, CVE-2010-0434, PM08939]
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computer weakness CVE-2010-1039

AIX, HP-UX, IRIX: memory corruption via rpc.pcnfsd

Synthesis of the vulnerability

A remote attacker can send a malicious RPC query, which corrupts the rpc.pcnfsd memory, in order to generate a denial of service, and possibly to execute code.
Severity: 3/4.
Creation date: 19/05/2010.
Revisions dates: 21/05/2010, 19/07/2010.
Identifiers: BID-40248, c02115103, CERTA-2010-AVI-221, CERTA-2010-AVI-224, CPAI-2010-082, CVE-2010-1039, HPSBUX02523, SSRT100036, VIGILANCE-VUL-9653.
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Description of the vulnerability

The rpc.pcnfsd service is used for the NFS file sharing.

When rpc.pcnfsd receives a malicious query, it logs it via syslog(). However, a format string attack can occur in the _msgout() function.

A remote attacker can therefore send a malicious RPC query, which corrupts the rpc.pcnfsd memory, in order to generate a denial of service, and possibly to execute code.
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cybersecurity alert CVE-2010-1626

MySQL: deleting a MyISAM table

Synthesis of the vulnerability

When a MySQL database uses the MyISAM engine, an attacker can delete a table or an index.
Severity: 1/4.
Creation date: 19/05/2010.
Identifiers: BID-40257, CERTA-2013-AVI-543, CVE-2010-1626, DSA-2057-1, MDVSA-2010:101, openSUSE-SU-2010:0730-1, openSUSE-SU-2010:0731-1, RHSA-2010:0442-01, SUSE-SR:2010:019, SUSE-SR:2010:021, VIGILANCE-VUL-9652.
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Description of the vulnerability

A MySQL database can use a MyISAM or InnoDB engine.

An attacker can create a MyISAM table stored in a directory where he can edit files. He can then replace the file by a symbolic link to another table. When the first table is deleted, the other table is thus deleted.

When a MySQL database uses the MyISAM engine, an attacker can therefore delete a table or an index.
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cybersecurity note CVE-2010-1321

MIT krb5: denial of service via GSS-API

Synthesis of the vulnerability

An authenticated attacker can send a malicious GSS-API token, in order to stop some MIT krb5 applications.
Severity: 2/4.
Creation date: 19/05/2010.
Identifiers: BID-40235, c02257427, CVE-2010-1321, DSA-2052-1, FEDORA-2010-8749, FEDORA-2010-8796, FEDORA-2010-8805, HPSBUX02544, MDVSA-2010:100, MDVSA-2010:129, MDVSA-2010:130, MITKRB5-SA-2010-005, RHSA-2010:0423-01, SSRT100107, SUSE-SR:2010:013, SUSE-SR:2010:014, SUSE-SR:2010:015, SUSE-SR:2010:019, SUSE-SR:2011:008, VIGILANCE-VUL-9651, VMSA-2010-0013, VMSA-2010-0013.1, VMSA-2010-0013.2, VMSA-2010-0013.3, VMSA-2010-0016, VMSA-2010-0016.1.
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Description of the vulnerability

The MIT Kerberos GSS-API (Generic Security Service Application Program Interface) library is used by GSS-API Server Applications. For example, the kadmind daemon uses this library.

A GSS-API token contains a checksum. However, if this checksum is missing, the krb5_gss_accept_sec_context() function dereferences a NULL pointer.

An authenticated attacker can therefore send a malicious GSS-API token, in order to stop some MIT krb5 applications.
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