SecurityFocus Microsoft Newsletter #255

From: Marc Fossi (mfossi_at_securityfocus.com)
Date: 09/07/05

  • Next message: Murad Talukdar: "runas vs network connections etc etc...."
    Date: Wed, 7 Sep 2005 14:23:38 -0600 (MDT)
    To: Focus-MS <focus-ms@securityfocus.com>
    
    

    SecurityFocus Microsoft Newsletter #255
    ----------------------------------------

    Need to know what's happening on YOUR network? Symantec DeepSight Analyzer
    is a free service that gives you the ability to track and manage attacks.
    Analyzer automatically correlates attacks from various Firewall and network
    based Intrusion Detection Systems, giving you a comprehensive view of your
    computer or general network. Sign up today!

    http://www.securityfocus.com/sponsor/Symantec_sf-news_041130

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    I. FRONT AND CENTER
           1. Exploiting Cisco with FX
           2. A changing landscape
           3. A new way to bypass Windows heap protections
    II. MICROSOFT VULNERABILITY SUMMARY
           1. FUDforum Avatar Upload Arbitrary Script Upload Vulnerability
           2. Novell Netware CIFS.NLM Denial of Service Vulnerability
           3. DameWare Mini Remote Control Server Pre-Authentication Username Buffer
    Overflow Vulnerability
           4. Symantec LiveUpdate Client Local Information Disclosure Vulnerability
           5. 3Com Network Supervisor Directory Traversal Vulnerability
           6. Novell NetMail Remote IMAP Heap Buffer Overflow Vulnerability
           7. WhitSoft Development SlimFTPd Remote Denial of Service Vulnerability
           8. OpenSSH DynamicForward Inadvertent GatewayPorts Activation
    Vulnerability
           9. OpenSSH GSSAPI Credential Disclosure Vulnerability
           10. FileZilla FTP Client Hard-Coded Cipher Key Vulnerability
           11. Rediff Bol Instant Messenger ActiveX Control Information Disclosure
    Vulnerability
           12. Microsoft Windows Keyboard Event Privilege Escalation Weakness
           13. Microsoft Internet Explorer Unspecified Remote Code Execution
    Vulnerability
    III. MICROSOFT FOCUS LIST SUMMARY
    IV. UNSUBSCRIBE INSTRUCTIONS
    V. SPONSOR INFORMATION

    I. FRONT AND CENTER
    ---------------------
    1. Exploiting Cisco with FX
    By Federico Biancuzzi
    This interview with FX discusses Cisco IOS exploitation, Michael Lynn's work,
    and what FX believes can be done when hacking IOS.
    http://www.securityfocus.com/columnists/351

    2. A changing landscape
    By Rohyt Belani
    In 2004, I came across an empirical study published by the CERT/CC that
    indicated a diminishing correlation between the number of vendor-issued
    vulnerabilities and the number of reported security incidents.
    http://www.securityfocus.com/columnists/352

    3. A new way to bypass Windows heap protections
    By Nicolas Falliere
    Windows heap overflows have become increasingly popular over the last couple of
    years.
    http://www.securityfocus.com/infocus/1846

    II. MICROSOFT VULNERABILITY SUMMARY
    ------------------------------------
    1. FUDforum Avatar Upload Arbitrary Script Upload Vulnerability
    BugTraq ID: 14678
    Remote: Yes
    Date Published: 2005-08-29
    Relevant URL: http://www.securityfocus.com/bid/14678
    Summary:
    FUDforum is prone to a remote arbitrary PHP file upload vulnerability.

    An attacker can merge an image file with a script file and upload it to an
    affected server.

    This issue can facilitate unauthorized remote access.

    FUDforum versions prior to 2.7.1 are reported to be affected. Currently
    Symantec cannot confirm if version 2.7.1 is affected as well.

    2. Novell Netware CIFS.NLM Denial of Service Vulnerability
    BugTraq ID: 14701
    Remote: Yes
    Date Published: 2005-08-31
    Relevant URL: http://www.securityfocus.com/bid/14701
    Summary:
    Netware CIFS.NLM is reportedly prone to a remote denial of service
    vulnerability.

    Reportedly, the W32.Randex.CCC worm can trigger this issue resulting in a
    denial of service condition due to an ABEND.

    NetWare 5.1, 6.0, 6.5 SP2 and 6.5 SP3 are vulnerable to this issue.

    3. DameWare Mini Remote Control Server Pre-Authentication Username Buffer
    Overflow Vulnerability
    BugTraq ID: 14707
    Remote: Yes
    Date Published: 2005-08-31
    Relevant URL: http://www.securityfocus.com/bid/14707
    Summary:
    DameWare Mini Remote Control Server is affected by a remote buffer overflow
    vulnerability. This issue presents itself because the application fails to
    perform boundary checks prior to copying user-supplied data into sensitive
    process buffers.

    Remote attackers may execute arbitrary machine code in the context of the
    affected server process, facilitating system compromise.

    This issue is similar to the one described in BID 9213 (DameWare Mini Remote
    Control Server Pre-Authentication Buffer Overflow Vulnerability). This issue
    may be related, or possibly a regression in the affected application.

    4. Symantec LiveUpdate Client Local Information Disclosure Vulnerability
    BugTraq ID: 14708
    Remote: No
    Date Published: 2005-08-31
    Relevant URL: http://www.securityfocus.com/bid/14708
    Summary:
    Symantec LiveUpdate Client is susceptible to a local information disclosure
    vulnerability.

    Sensitive information such as the server name, IP address, subnet, subnet mask,
    connection protocol, username and password to access the LiveUpdate server are
    logged in a plain text file.

    A local attacker can subsequently access the file and disclose authentication
    credentials to access the server. This may lead to various attacks including
    the potential compromise of the server.

    5. 3Com Network Supervisor Directory Traversal Vulnerability
    BugTraq ID: 14715
    Remote: Yes
    Date Published: 2005-09-01
    Relevant URL: http://www.securityfocus.com/bid/14715
    Summary:
    Network Supervisor is prone to a directory traversal vulnerability.

    The application fails to properly sanitize input supplied through HTTP GET
    requests.

    Exploitation of this vulnerability could lead to a loss of confidentiality as
    arbitrary files are disclosed to an attacker. It should be noted that all
    files on the affected drive can be disclosed by a successful attack.

    6. Novell NetMail Remote IMAP Heap Buffer Overflow Vulnerability
    BugTraq ID: 14718
    Remote: Yes
    Date Published: 2005-09-01
    Relevant URL: http://www.securityfocus.com/bid/14718
    Summary:
    Novell NetMail is susceptible to a buffer overflow vulnerability in the IMAP
    command continuation function in the IMAP agent. This issue is due to a lack of
    proper boundary checks when copying user-supplied data to insufficiently-sized
    memory buffers.

    This vulnerability allows remote attackers to execute arbitrary machine code in
    the context of the affected server process.

    This issue was originally documented in BID 13926 (Novell NetMail Multiple
    Remote Vulnerabilities).

    7. WhitSoft Development SlimFTPd Remote Denial of Service Vulnerability
    BugTraq ID: 14723
    Remote: Yes
    Date Published: 2005-09-02
    Relevant URL: http://www.securityfocus.com/bid/14723
    Summary:
    SlimFTPd is prone to a remote denial of service vulnerability. This issue is
    due to a failure in the application to handle exceptional conditions.

    The problem presents itself during login. The application fails to handle
    malicious input in a proper manner resulting in a crash of the server, thus
    denying service to legitimate users.

    8. OpenSSH DynamicForward Inadvertent GatewayPorts Activation Vulnerability
    BugTraq ID: 14727
    Remote: Yes
    Date Published: 2005-09-01
    Relevant URL: http://www.securityfocus.com/bid/14727
    Summary:
    OpenSSH is susceptible to a vulnerability that causes improper activation of
    the 'GatewayPorts' option, allowing unintended hosts to utilize the SSH SOCKS
    proxy.

    Specifically, if the 'DynamicForward' option is activated, 'GatewayPorts' is
    also unconditionally enabled.

    This vulnerability allows remote attackers to utilize the SOCKS proxy to make
    arbitrary TCP connections through the configured SSH session, allowing them to
    attack computers and services through a connection that was inappropriately
    thought to be secure.

    This issue affects OpenSSH 4.0, and 4.1.

    9. OpenSSH GSSAPI Credential Disclosure Vulnerability
    BugTraq ID: 14729
    Remote: Yes
    Date Published: 2005-09-01
    Relevant URL: http://www.securityfocus.com/bid/14729
    Summary:
    OpenSSH is susceptible to a GSSAPI credential delegation vulnerability.

    Specifically, if a user has GSSAPI authentication configured, and
    'GSSAPIDelegateCredentials' is enabled, their Kerberos credentials will be
    forwarded to remote hosts. This occurs even when the user uses authentication
    methods other than GSSAPI to connect, which is not what is usually expected.

    This vulnerability allows remote attackers to improperly gain access to GSSAPI
    credentials, allowing them to utilize the credentials to access resources
    granted to the original principal.

    This issue affects versions of OpenSSH prior to 4.2.

    10. FileZilla FTP Client Hard-Coded Cipher Key Vulnerability
    BugTraq ID: 14730
    Remote: No
    Date Published: 2005-09-02
    Relevant URL: http://www.securityfocus.com/bid/14730
    Summary:
    FileZilla FTP client may allow local attackers to obtain user passwords and
    access remote servers.

    The application uses a hard-coded cipher key to decrypt the password, which is
    stored in an XML file or the Windows Registry.

    This can allow the attacker to gain access to an FTP server with the privileges
    of the victim.

    11. Rediff Bol Instant Messenger ActiveX Control Information Disclosure
    Vulnerability
    BugTraq ID: 14740
    Remote: Yes
    Date Published: 2005-09-05
    Relevant URL: http://www.securityfocus.com/bid/14740
    Summary:
    Rediff Bol Instant Messenger is prone to an information disclosure
    vulnerability. A malicious ActiveX control could allow an attacker to obtain
    the contents of a vulnerable user's Windows Address Book.

    12. Microsoft Windows Keyboard Event Privilege Escalation Weakness
    BugTraq ID: 14743
    Remote: No
    Date Published: 2005-09-05
    Relevant URL: http://www.securityfocus.com/bid/14743
    Summary:
    Microsoft Windows is prone to a privilege escalation weakness. This issue is
    due to a design error when desktop applications handle keyboard events sent
    through the keybd_event() function. The specific issue is that programs may
    send keyboard events to higher privileged desktop applications.

    This poses a local security risk as malicious keyboard events may be sent to a
    desktop application such as 'explorer.exe' that is running as a higher
    privileged user. These keyboard events will be interpreted in the context of
    the target user. This issue could likely be abused after exploitation of a
    latent remote code execution vulnerability in a service to elevate privileges.
    In this scenario, a user with higher privileges than the service must be logged
    into the desktop.

    13. Microsoft Internet Explorer Unspecified Remote Code Execution Vulnerability
    BugTraq ID: 14755
    Remote: Yes
    Date Published: 2005-09-01
    Relevant URL: http://www.securityfocus.com/bid/14755
    Summary:
    Microsoft Internet Explorer is affected by an unspecified remote vulnerability.

    This vulnerability allows a remote attacker to execute arbitrary code and
    potentially gain unauthorized access in the context of the user running the
    browser.

    This issue also affects Microsoft Outlook and Microsoft Outlook Express.

    Due to a lack of information, further details cannot be described at the
    moment. This BID will be updated when more information becomes available.

    III. MICROSOFT FOCUS LIST SUMMARY
    ---------------------------------
    IV. UNSUBSCRIBE INSTRUCTIONS
    -----------------------------
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    V. SPONSOR INFORMATION
    ------------------------
    Need to know what's happening on YOUR network? Symantec DeepSight Analyzer
    is a free service that gives you the ability to track and manage attacks.
    Analyzer automatically correlates attacks from various Firewall and network
    based Intrusion Detection Systems, giving you a comprehensive view of your
    computer or general network. Sign up today!

    http://www.securityfocus.com/sponsor/Symantec_sf-news_041130

    ---------------------------------------------------------------------------
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  • Next message: Murad Talukdar: "runas vs network connections etc etc...."

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