Weekly Vulnerabilities Reports > September 17 to 23, 2007

Heap-based buffer overflow in libmpdemux/aviheader.c in MPlayer 1.0rc1 and earlier allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a .avi file with certain large "indx truck size" and nEntriesInuse values, and a certain wLongsPerEntry value.

Dibbler 0.6.0 on Linux uses weak world-writable permissions for unspecified files in /var/lib/dibbler, which has unknown impact and local attack vectors.

SQL injection vulnerability in userreviews.php in OneCMS 2.4 allows remote attackers to execute arbitrary SQL commands via the abc parameter.

Multiple PHP remote file inclusion vulnerabilities in pSlash 0.70 allow remote attackers to execute arbitrary PHP code via a URL in (1) the lvc_admin_dir parameter to modules/visitors2/admin/view-archiver.inc.php or (2) the lvc_include_dir parameter to modules/visitors2/include/menus.inc.php.

SQL injection vulnerability in index.php in the Ktauber.com StylesDemo mod for phpBB 2.0.xx allows remote attackers to execute arbitrary SQL commands via the s parameter.

SQL injection vulnerability in index.php in the sondages module in KwsPHP 1.0 allows remote attackers to execute arbitrary SQL commands via the id parameter in a results action, a different module than CVE-2007-4956.2.

Multiple PHP remote file inclusion vulnerabilities in phpSyncML 0.1.2 and earlier allow remote attackers to execute arbitrary PHP code via a URL in the base_dir parameter to (1) Decoder.php and (2) Encoder.php in WBXML/.

Unspecified vulnerability in the Modbus/TCP Diagnostic function in MiniHMI.exe for the Automated Solutions Modbus Slave ActiveX Control before 1.5 allows remote attackers to corrupt the heap and possibly execute arbitrary code via malformed Modbus requests to TCP port 502.

Heap-based buffer overflow in the flac_buffer_copy function in libsndfile 1.0.17 and earlier might allow remote attackers to execute arbitrary code via a FLAC file with crafted PCM data containing a block with a size that exceeds the previous block size.

The login_to_simulator method in Linden Lab Second Life, as used by the secondlife:// protocol handler and possibly other Second Life login mechanisms, sends an MD5 hash in cleartext in the passwd field, which allows remote attackers to login to an account by sniffing the network and then sending this hash to a Second Life authentication server.

Multiple directory traversal vulnerabilities in download.php in Chupix CMS 0.2.3 allow remote attackers to read or overwrite arbitrary files via a ..

Multiple SQL injection vulnerabilities in KwsPHP 1.0 allow remote attackers to execute arbitrary SQL commands via (1) the pseudo parameter to login.php, (2) the id parameter to index.php in a carnet editer action in the Member_Space (espace_membre) module, or (3) the typenav parameter to index.php in a browser aff action in the stats module.

SQL injection vulnerability in index.php in SimpCMS allows remote attackers to execute arbitrary SQL commands via the keyword parameter in a search site action.

SQL injection vulnerability in article.php in OmniStar Article Manager allows remote attackers to execute arbitrary SQL commands via the page_id parameter in a favorite op action, a different vector than CVE-2006-5917.

Multiple PHP remote file inclusion vulnerabilities in myphpPagetool 0.4.3 allow remote attackers to execute arbitrary PHP code via a URL in the ptinclude parameter to (1) help1.php, (2) help2.php, (3) help3.php, (4) help4.php, (5) help5.php, (6) help6.php, (7) help7.php, (7) help8.php, (8) help9.php, or (10) index.php in doc/admin/.

PHP remote file inclusion vulnerability in modules/Discipline/StudentFieldBreakdown.php in Focus/SIS 1.0 allows remote attackers to execute arbitrary PHP code via a URL in the FocusPath parameter, a different vector than CVE-2007-4806.

Unspecified vulnerability in Office Efficiencies SafeSquid 4.1.x has unknown impact and attack vectors, related to a "serious security flaw," possibly specific to Linux.

Direct static code injection vulnerability in includes/admin/sub/conf_appearence.php in Shop-Script FREE 2.0 and earlier allows remote attackers to inject arbitrary PHP code into cfg/appearence.inc.php via a save_appearence action in admin.php, as demonstrated with the (1) productscount, (2) colscount, and (3) darkcolor parameters.

admin.php in Shop-Script FREE 2.0 and earlier sends a redirect to the web browser but does not exit when administrative credentials are missing, which allows remote attackers to access the admin panel.

The ewirePC_Decrypt function in ewirepcfunctions.php in eWire Payment Client (ePC) 1.60 and 1.70 allows remote attackers to execute arbitrary commands via shell metacharacters in the paymentinfo parameter to simplePHPLinux/3payment_receive.php.

PHP remote file inclusion vulnerability in _includes/settings.inc.php in Ajax File Browser 3 Beta allows remote attackers to execute arbitrary PHP code via a URL in the approot parameter.

SQL injection vulnerability in soporte_derecha_w.php in PHP Webquest 2.5 and earlier allows remote attackers to execute arbitrary SQL commands via the id_actividad parameter.

Multiple SQL injection vulnerabilities in JBlog 1.0 allow (1) remote attackers to execute arbitrary SQL commands via the id parameter to index.php, and allow (2) remote authenticated administrators to execute arbitrary SQL commands via the id parameter to admin/modifpost.php.

SQL injection vulnerability in classes/gelato.class.php in Gelato allows remote attackers to execute arbitrary SQL commands via the post parameter to index.php.

ips_kernel/class_upload.php in Invision Power Board (IPB or IP.Board) 2.3.1 up to 20070912 allows remote attackers to upload arbitrary script files with crafted image filenames to uploads/, where they are saved with a .txt extension and are not executable.

Directory traversal vulnerability in index.php in AuraCMS 2.1 and earlier allows remote attackers to include and execute arbitrary local files via a ..

Multiple PHP remote file inclusion vulnerabilities in X-Cart allow remote attackers to execute arbitrary PHP code via a URL in the xcart_dir parameter to (1) config.php, (2) prepare.php, (3) smarty.php, (4) customer/product.php, (5) provider/auth.php, and (6) admin/auth.php.

Unrestricted file upload vulnerability in mod/contak.php in AuraCMS 2.1 allows remote attackers to upload and execute arbitrary PHP files via the image parameter, which places a file under files/.

Multiple buffer overflows in a certain ActiveX control in CryptoX.dll 2.0 and earlier in the Ultra Crypto Component allow remote attackers to execute arbitrary code via (1) a long string in the first argument to the AcquireContext method or (2) an unspecified vector to the DeleteContext method.

KMPlayer 2.9.3.1210 and earlier allows remote attackers to cause a denial of service (CPU consumption) via a .avi file with certain large "indx truck size" and nEntriesInuse values.

Unquoted Windows search path vulnerability in EMC VMware Workstation before 5.5.5 Build 56455 and 6.x before 6.0.1 Build 55017, Player before 1.0.5 Build 56455 and Player 2 before 2.0.1 Build 55017, ACE before 1.0.3 Build 54075, and Server before 1.0.4 Build 56528 allows local users to gain privileges via unspecified vectors, possibly involving a malicious "program.exe" file in the C: folder.

Race condition in the tee (sys_tee) system call in the Linux kernel 2.6.17 through 2.6.17.6 might allow local users to cause a denial of service (system crash), obtain sensitive information (kernel memory contents), or gain privileges via unspecified vectors related to a potentially dropped ipipe lock during a race between two pipe readers.

backend/session.c in KDM in KDE 3.3.0 through 3.5.7, when autologin is configured and "shutdown with password" is enabled, allows remote attackers to bypass the password requirement and login to arbitrary accounts via unspecified vectors.

Multiple PHP remote file inclusion vulnerabilities in Streamline PHP Media Server 1.0-beta4 allow remote attackers to execute arbitrary PHP code via a URL in the sl_theme_unix_path parameter to (1) admin_footer.php, (2) info_footer.php, (3) theme_footer.php, (4) browse_footer.php, (5) account_footer.php, or (6) search_footer.php in core/theme/includes/.

PHP remote file inclusion vulnerability in language/lang_german/lang_main_album.php in phpBB Plus 1.53, and 1.53a before 20070922, allows remote attackers to execute arbitrary PHP code via a URL in the phpbb_root_path parameter.

Multiple buffer overflows in unspecified ActiveX controls in COM objects in Avaya IP Softphone R5.2 before SP3, and R6.0, allow remote attackers to execute arbitrary code via unspecified vectors.

SQL injection vulnerability in www/people/editprofile.php in GForge 4.6b2 and earlier allows remote attackers to execute arbitrary SQL commands via the skill_delete[] parameter.

PHP remote file inclusion vulnerability in admin.joomlaflashfun.php in the Flash Fun! (com_joomlaflashfun) 1.0 component for Joomla! allows remote attackers to execute arbitrary PHP code via a URL in the mosConfig_live_site parameter.

PHP remote file inclusion vulnerability in admin.joom12pic.php in the joom12Pic (com_joom12pic) 1.0 component for Joomla! allows remote attackers to execute arbitrary PHP code via a URL in the mosConfig_live_site parameter.

Multiple PHP remote file inclusion vulnerabilities in phpFFL 1.24 allow remote attackers to execute arbitrary PHP code via a URL in the PHPFFL_FILE_ROOT parameter to (1) admin.php, (2) custom_pages.php, (3) draft.php, (4) faq.php, (5) leagues.php, (6) livedraft.php, (7) login.php, (8) my_team.php, (9) profile.php, (10) signup.php, (11) statistics.php, (12) transactions.php, (13) program_files/admin/custom_pages.php, or (14) program_files/common.php.

PHP remote file inclusion vulnerability in admin.joomlaradiov5.php in the Joomla Radio 5 (com_joomlaradiov5) component for Joomla! allows remote attackers to execute arbitrary PHP code via a URL in the mosConfig_live_site parameter.

PHP remote file inclusion vulnerability in tasks/send_queued_emails.php in NuclearBB Alpha 2, when register_globals is enabled, allows remote attackers to execute arbitrary PHP code via a URL in the root_path parameter.

Unspecified vulnerability in EMC VMware Workstation before 5.5.5 Build 56455 and 6.x before 6.0.1 Build 55017, Player before 1.0.5 Build 56455 and Player 2 before 2.0.1 Build 55017, ACE before 1.0.3 Build 54075 and ACE 2 before 2.0.1 Build 55017, and Server before 1.0.4 Build 56528 allows authenticated users with administrative privileges on a guest operating system to corrupt memory and possibly execute arbitrary code on the host operating system via unspecified vectors.

Directory traversal vulnerability in viewlog.php in Coppermine Photo Gallery (CPG) 1.4.12 and earlier allows remote authenticated administrators to include and execute arbitrary local files via a ..

SQL injection vulnerability in play.php in the jeuxflash 1.0 module for KwsPHP allows remote authenticated users to execute arbitrary SQL commands via the id parameter in a play ac action to index.php.

Absolute path traversal vulnerability in a certain ActiveX control in CryptoX.dll 2.0 and earlier in the Ultra Crypto Component allows remote attackers to write to arbitrary files via a full pathname in the argument to the SaveToFile method.

Stack-based buffer overflow in IMAPD in Mercury/32 4.52 allows remote authenticated users to execute arbitrary code via a long argument in a SEARCH ON command.

Unspecified vulnerability in the subscriptions manager in Invision Power Board (IPB or IP.Board) 2.3.1 before 20070912 allows remote authenticated users to change the member ID and reduce the privilege level of arbitrary users via a crafted payment form, related to (1) class_gw_2checkout.php, (2) class_gw_authorizenet.php, (3) class_gw_nochex.php, (4) class_gw_paypal.php, and (5) class_gw_safshop.php in sources/classes/paymentgateways/.

Unspecified vulnerability in EMC VMware Workstation before 5.5.5 Build 56455 and 6.x before 6.0.1 Build 55017, Player before 1.0.5 Build 56455 and Player 2 before 2.0.1 Build 55017, ACE before 1.0.3 Build 54075 and ACE 2 before 2.0.1 Build 55017, and Server before 1.0.4 Build 56528 allows users with login access to a guest operating system to cause a denial of service (guest outage and host process crash or hang) via unspecified vectors.

Cross-site request forgery (CSRF) vulnerability in admin.php in Francisco Burzi PHP-Nuke allows remote attackers to add administrative accounts via an AddAuthor action with modified add_name and add_radminsuper parameters.

Multiple PHP remote file inclusion vulnerabilities in Webmedia Explorer (webmex) 3.2.2 allow remote attackers to execute arbitrary PHP code via (1) a URL in the path_include parameter to includes/rss.class.php, (2) a URL in the path_template parameter to (a) templates/main.tpl.php or (b) templates/folder_messages_link_message_name.tpl.php, or (4) a URL in the path_templates parameter to templates/sidebar.tpl.php.

The TSrvOptIA_NA::rebind method in SrvOptions/SrvOptIA_NA.cpp in Dibbler 0.6.0 allows remote attackers to cause a denial of service (NULL dereference and daemon crash) via an invalid IA_NA option in a REBIND message.

Multiple integer overflows in Dibbler 0.6.0 allow remote attackers to cause a denial of service (daemon crash) via packets containing options with large lengths, which trigger attempts at excessive memory allocation, as demonstrated by (1) the TSrvMsg constructor in SrvMessages/SrvMsg.cpp; the (2) TClntMsg, (3) TClntOptIAAddress, (4) TClntOptIAPrefix, (5) TOptVendorSpecInfo, and (6) TOptOptionRequest constructors; and the (7) TRelIfaceMgr::decodeRelayRepl, (8) TRelMsg::decodeOpts, and (9) TSrvIfaceMgr::decodeRelayForw methods.

Dibbler 0.6.0 does not verify that certain length parameters are appropriate for buffer sizes, which allows remote attackers to trigger a buffer over-read and cause a denial of service (daemon crash), as demonstrated by incorrect behavior of the TSrvMsg constructor in SrvMessages/SrvMsg.cpp when (1) reading the option code and option length and (2) parsing options.

dBlog CMS, probably 2.0, stores sensitive information under the web root with insufficient access control, which allows remote attackers to download a database containing an admin password hash via a direct request for dblog.mdb.

The SOCKS4 Proxy in Microsoft Internet Security and Acceleration (ISA) Server 2004 SP1 and SP2 allows remote attackers to obtain potentially sensitive information (the destination IP address of another user's session) via an empty packet.

Unspecified vulnerability in certain IBM Tivoli Storage Manager (TSM) clients 5.1 before 5.1.8.1, 5.2 before 5.2.5.2, 5.3 before 5.3.5.3, and 5.4 before 5.4.1.2, when using "server-initiated prompted scheduling," allows remote attackers to read a client's data, aka IC53616.

Absolute path traversal vulnerability in a certain ActiveX control in the CYFT object in ft60.dll in Yahoo! Messenger 8.1.0.421 allows remote attackers to force a download, and create or overwrite arbitrary files via a full pathname in the second argument to the GetFile method.

webbatch.exe in WebBatch allows remote attackers to obtain sensitive information via the dumpinputdata parameter.

WinImage 8.10 and earlier allows remote attackers to cause a denial of service (infinite loop) via an invalid BPB_BytsPerSec field in the header of a .IMG file.

Argument injection vulnerability in the Linden Lab Second Life secondlife:// protocol handler, as used in Internet Explorer and possibly Firefox, allows remote attackers to obtain sensitive information via a '" ' (double-quote space) sequence followed by the -autologin and -loginuri arguments, which cause the handler to post login credentials and software installation details to an arbitrary URL.

LetterGrade allows remote attackers to obtain sensitive information (installation path or account existence) via unspecified vectors.

The canvas.createPattern function in Opera 9.x before 9.22 for Linux, FreeBSD, and Solaris does not clear memory before using it to process a new pattern, which allows remote attackers to obtain sensitive information (memory contents) via JavaScript.

CS Guestbook stores sensitive information under the web root with insufficient access control, which allows remote attackers to obtain the admin name and MD5 password hash via a direct request for base/usr/0.php.

JSMP3OGGWt.dll in JetCast Server 2.0.0.4308 allows remote attackers to cause a denial of service (daemon crash) via a long .mp3 URI to TCP port 8000.

The AXIS 207W camera stores a WEP or WPA key in cleartext in the configuration file, which might allow local users to obtain sensitive information.

Multiple PHP remote file inclusion vulnerabilities in phpFFL 1.24 allow remote attackers to execute arbitrary PHP code via a URL in the PHPFFL_FILE_ROOT parameter to (1) program_files/livedraft/livedraft.php or (2) program_files/livedraft/admin.php.

ProSecurity 1.40 Beta 2 does not properly validate certain parameters to System Service Descriptor Table (SSDT) function handlers, which allows local users to cause a denial of service (crash) and possibly gain privileges via kernel SSDT hooks for Windows Native API functions including (1) NtCreateKey, (2) NtDeleteFile, (3) NtLoadDriver, (4) NtOpenSection, and (5) NtSetSystemTime.

ProcessGuard 3.410 does not properly validate certain parameters to System Service Descriptor Table (SSDT) function handlers, which allows local users to cause a denial of service (crash) and possibly gain privileges via kernel SSDT hooks for Windows Native API functions including (1) NtCreateFile, (2) NtCreateKey, (3) NtDeleteValueKey, (4) NtOpenFile, (5) NtOpenKey, and (6) NtSetValueKey.

Process Monitor 1.22 does not properly validate certain parameters to System Service Descriptor Table (SSDT) function handlers, which allows local users to cause a denial of service (crash) and possibly gain privileges via unspecified kernel SSDT hooks for Windows Native API functions including (1) NtCreateKey, (2) NtDeleteValueKey, (3) NtLoadKey, (4) NtOpenKey, (5) NtQueryValueKey, (6) NtSetValueKey, and (7) NtUnloadKey.

Privatefirewall 5.0.14.2 does not properly validate certain parameters to System Service Descriptor Table (SSDT) function handlers, which allows local users to cause a denial of service (crash) and possibly gain privileges via kernel SSDT hooks for (1) NtOpenProcess and (2) NtOpenThread.

Online Armor Personal Firewall 2.0.1.215 does not properly validate certain parameters to System Service Descriptor Table (SSDT) function handlers, which allows local users to cause a denial of service (crash) and possibly gain privileges via unspecified kernel SSDT hooks for Windows Native API functions including (1) NtAllocateVirtualMemory, (2) NtConnectPort, (3) NtCreateFile, (4) NtCreateKey, (5) NtCreatePort, (6) NtDeleteFile, (7) NtDeleteValueKey, (8) NtLoadKey, (9) NtOpenFile, (10) NtOpenProcess, (11) NtOpenThread, (12) NtResumeThread, (13) NtSetContextThread, (14) NtSetValueKey, (15) NtSuspendProcess, (16) NtSuspendThread, and (17) NtTerminateThread.

ELinks before 0.11.3, when sending a POST request for an https URL, appends the body and content headers of the POST request to the CONNECT request in cleartext, which allows remote attackers to sniff sensitive data that would have been protected by TLS.

Cross-site scripting (XSS) vulnerability in profile.php in phpBB XS 2 allows remote attackers to inject arbitrary web script or HTML via the selfdes parameter in a profile_info editprofile action.

Multiple cross-site scripting (XSS) vulnerabilities in cgi-bin/ddns in the web management panel for the WBR3404TX broadband router with firmware R1.94p0vTIG allow remote attackers to inject arbitrary web script or HTML via the (1) DD or (2) DU parameter.

Multiple buffer overflows in Xiph.Org libvorbis before 1.2.0 allow context-dependent attackers to cause a denial of service or have other unspecified impact via a crafted OGG file, aka trac Changesets 13162, 13168, 13169, 13170, 13172, 13211, and 13215, as demonstrated by an overflow in oggenc.exe related to the _psy_noiseguards_8 array.

lib/vorbisfile.c in libvorbisfile in Xiph.Org libvorbis before 1.2.0 allows context-dependent attackers to cause a denial of service (infinite loop) via a crafted OGG file, aka trac Changeset 13217.

Multiple cross-site scripting (XSS) vulnerabilities in index.php in Phormer 3.31 allow remote attackers to inject arbitrary web script or HTML via the (1) u, (2) p, (3) c, and (4) s parameters, and other unspecified vectors.

Cross-site scripting (XSS) vulnerability in picture.php in PhpWebGallery 1.7.0, when Comments for all is enabled, allows remote attackers to inject arbitrary web script or HTML via the author parameter.

Cross-site scripting (XSS) vulnerability in WebBatch allows remote attackers to inject arbitrary web script or HTML via the URL to webbatch.exe.

Cross-site scripting (XSS) vulnerability in the save function in Obedit 3.03 allows user-assisted remote attackers to inject arbitrary web script or HTML via unknown vectors, as demonstrated by a SCRIPT element in an unspecified context when saving a document.

The readRequest method in org/gcaldaemon/core/http/HTTPListener.java in GCALDaemon 1.0-beta13 allows remote attackers to cause a denial of service via a large integer value in the Content-Length HTTP header, which triggers a fatal Java OutOfMemoryError.

Cross-site scripting (XSS) vulnerability in hilfe.php in b1gMail 6.3.1 allows remote attackers to inject arbitrary web script or HTML via the chapter parameter.

Cross-site scripting (XSS) vulnerability in catalog_products_with_images.php in osCMax 2.0.0-RC3-0-1 allows remote attackers to inject arbitrary web script or HTML via the URI.

Multiple cross-site scripting (XSS) vulnerabilities in TinyWebGallery (TWG) 1.6.3.4 allow remote attackers to inject arbitrary web script or HTML via the URI for (1) index.php, (2) i_frames/i_login.php, and (3) i_frames/i_top_tags.php.

Multiple cross-site scripting (XSS) vulnerabilities in LetterGrade allow remote attackers to inject arbitrary web script or HTML via (1) a student's email address, (2) the year parameter to genbrws/Student/cal_month.php3, and other unspecified vectors related to the calendar.

Multiple cross-site request forgery (CSRF) vulnerabilities in the AXIS 207W camera allow remote attackers to perform certain actions as administrators via (1) axis-cgi/admin/restart.cgi, (2) the user and sgrp parameters to axis-cgi/admin/pwdgrp.cgi in an add action, or (3) the server parameter to admin/restartMessage.shtml.

Multiple cross-site scripting (XSS) vulnerabilities in the AXIS 207W camera allow remote attackers to inject arbitrary web script or HTML via the camNo parameter to incl/image_incl.shtml, and other unspecified vectors.

Cross-site scripting (XSS) vulnerability in tracking.php in PHP-Stats 0.1.9.2 allows remote attackers to inject arbitrary web script or HTML via the ip parameter in an online action, a different vector than CVE-2007-4334.

Cross-site scripting (XSS) vulnerability in ips_kernel/class_ajax.php in Invision Power Board (IPB or IP.Board) 2.3.1 up to 20070912 allows remote attackers to inject arbitrary web script or HTML into user profile fields via unspecified vectors related to character sets other than iso-8859-1 or utf-8.

RealNetworks RealPlayer 10.1.0.3114 and earlier, and Helix Player 1.0.6.778 on Fedora Core 6 (FC6) and possibly other platforms, allow user-assisted remote attackers to cause a denial of service (application crash) via a malformed .au file that triggers a divide-by-zero error.

Cross-site scripting (XSS) vulnerability in mode.php in Coppermine Photo Gallery (CPG) 1.4.12 and earlier allows remote attackers to inject arbitrary web script or HTML via the referer parameter.

axis-cgi/buffer/command.cgi on the AXIS 207W camera allows remote authenticated users to cause a denial of service (reboot) via many requests with unique buffer names in the buffername parameter in a start action.

EMC VMware Server before 1.0.4 Build 56528 writes passwords in cleartext to unspecified log files, which allows local users to obtain sensitive information by reading these files, a different vulnerability than CVE-2005-3620.

HP System Management Homepage (SMH) for Windows, when used in conjunction with HP Version Control Agent or Version Control Repository Manager, leaves old OpenSSL software active after an OpenSSL update, which has unknown impact and attack vectors, probably related to previous vulnerabilities for OpenSSL.

The display driver allocattr functions in NetBSD 3.0 through 4.0_BETA2, and NetBSD-current before 20070728, allow local users to cause a denial of service (panic) via a (1) negative or (2) large value in an ioctl call, as demonstrated by the vga_allocattr function.

Unspecified vulnerability in the kernel in Red Hat Enterprise Linux (RHEL) 4 on the x86_64 platform allows local users to cause a denial of service (OOPS) via unspecified vectors related to the get_gate_vma function and the fuser command.

RegMon 7.04 does not properly validate certain parameters to System Service Descriptor Table (SSDT) function handlers, which allows local users to cause a denial of service (crash) and possibly gain privileges via kernel SSDT hooks to the (1) NtCreateKey and (2) NtOpenKey Windows Native API functions.

RemoteDocs R-Viewer before 1.6.3768 stores encrypted RDZ file data in unencrypted temporary files, which allows local users to obtain sensitive information by reading the temporary files.

The NFS client implementation in the kernel in Red Hat Enterprise Linux (RHEL) 3, when a filesystem is mounted with the noacl option, checks permissions for the open system call via vfs_permission (mode bits) data rather than an NFS ACCESS call to the server, which allows local client processes to obtain a false success status from open calls that the server would deny, and possibly obtain sensitive information about file permissions on the server, as demonstrated in a root_squash environment.