6653 matches found
squid -- possible denial of service condition regarding NTLM authentication
The squid patches page notes: Squid may crash with the above error FATAL: Incorrect scheme in auth header when given certain request sentences. Workaround: disable NTLM authentication...
freeradius -- multiple vulnerabilities
The freeradious development team reports: Multiple issues exist with version 1.0.4, and all prior versions of the server. Externally exploitable vulnerabilities exist only for sites that use the rlmsqlcounter module. Those sites may be vulnerable to SQL injection attacks, similar to the issues...
firefox & mozilla -- buffer overflow vulnerability
Tom Ferris reports: A buffer overflow vulnerability exists within Firefox version 1.0.6 and all other prior versions which allows for an attacker to remotely execute arbitrary code on an affected host. The problem seems to be when a hostname which has all dashes causes the NormalizeIDN call in...
cvsbug -- race condition
Problem description A temporary file is created, used, deleted, and then re-created with the same name. This creates a window during which an attacker could replace the file with a link to another file. While cvsbug1 is based on the send-pr1 utility, this problem does not exist in the version of...
firefox & mozilla -- command line URL shell command injection
A Secunia Advisory reports: Peter Zelezny has discovered a vulnerability in Firefox, which can be exploited by malicious people to compromise a user's system. The vulnerability is caused due to the shell script used to launch Firefox parsing shell commands that are enclosed within backticks in th...
urban -- stack overflow vulnerabilities
Several filename-related stack overflow bugs allow a local attacker to elevate its privileges to the games group, since urban is installed setgid games. Issue discovered and fixed by...
fswiki -- command injection vulnerability
There is a command injection vulnerability in admin page of fswiki...
WebCalendar -- remote file inclusion vulnerability
WebCalendar is proven vulnerable to a remote file inclusion vulnerability. The sendreminders.php does not properly verify the "includedir" parameter, giving remote attackers the possibility to include local and remote files. These files can be used by the attacker to gain access to the system...
xinetd -- ignores user and group directives for TCPMUX services
xinetd would execute configured TCPMUX services without dropping privilege to match the service configuration allowing the service to run with same privilege as the xinetd process root...
pam_ldap -- authentication bypass vulnerability
Luke Howard reports: If a pamldap client authenticates against an LDAP server that returns a passwordPolicyResponse control, but omits the optional "error" field of the PasswordPolicyResponseValue, then the LDAP authentication result will be ignored and the authentication step will always succeed...
elm -- remote buffer overflow in Expires header
Ulf Harnhammar has discovered a remotely exploitable buffer overflow in Elm e-mail client when parsing the Expires header of an e-mail message: The attacker only needs to send the victim an e-mail message. When the victim with that message in his or her inbox starts Elm or simply views the inbox ...
acroread -- plug-in buffer overflow vulnerability
A Adobe Security Advisory reports: The identified vulnerability is a buffer overflow within a core application plug-in, which is part of Adobe Acrobat and Adobe Reader. If a malicious file were opened it could trigger a buffer overflow as the file is being loaded into Adobe Acrobat and Adobe...
pear-XML_RPC -- remote PHP code injection vulnerability
A Hardened-PHP Project Security Advisory reports: When the library parses XMLRPC requests/responses, it constructs a string of PHP code, that is later evaluated. This means any failure to properly handle the construction of this string can result in arbitrary execution of PHP code. This new...
tor -- diffie-hellman handshake flaw
A tor advisory reports Tor clients can completely loose anonymity, confidentiality, and data integrity if the first Tor server in their path is malicious. Specifically, if the Tor client chooses a malicious Tor server for her first hop in the circuit, that server can learn all the keys she...
evolution -- remote format string vulnerabilities
A SITIC Vulnerability Advisory reports: Evolution suffers from several format string bugs when handling data from remote sources. These bugs lead to crashes or the execution of arbitrary assembly language code. The first format string bug occurs when viewing the full vCard data attached to an...
gaim -- AIM/ICQ non-UTF-8 filename crash
The GAIM team reports: A remote user could cause Gaim to crash on some systems by sending the Gaim user a file whose filename contains certain invalid characters. It is unknown what combination of systems are affected, but it is suspected that Windows users and systems with older versions of GTK+...
xpdf -- disk fill DoS vulnerability
xpdf is vulnerable to a denial of service vulnerability which can cause xpdf to create an infinitely large file, thereby filling up the /tmp partition, when opening a specially crafted PDF file. Note that several applications contains an embedded version of xpdf, therefor making them the vulnerab...
awstats -- arbitrary code execution vulnerability
An iDEFENSE Security Advisory reports: Remote exploitation of an input validation vulnerability in AWStats allows remote attackers to execute arbitrary commands. The problem specifically exists because of insufficient input filtering before passing user-supplied data to an eval function. As part ...
gaim -- AIM/ICQ away message buffer overflow
The GAIM team reports: A remote AIM or ICQ user can cause a buffer overflow in Gaim by setting an away message containing many AIM substitution strings such as %t or %n...
openvpn -- multiple TCP clients connecting with the same certificate at the same time can crash the server
James Yonan reports: If two or more client machines try to connect to the server at the same time via TCP, using the same client certificate, and when --duplicate-cn is not enabled on the server, a race condition can crash the server with "Assertion failed at mtcp.c:411"...
openvpn -- denial of service: client certificate validation can disconnect unrelated clients
James Yonan reports: DoS attack against server when run with "verb 0" and without "tls-auth". If a client connection to the server fails certificate verification, the OpenSSL error queue is not properly flushed, which can result in another unrelated client instance on the server seeing the error...
unzip -- permission race vulnerability
Imran Ghory reports a vulnerability within unzip. The vulnerability is caused by a race condition between extracting an archive and changing the permissions of the extracted files. This would give an attacker enough time to remove a file and hardlink it to another file owned by the user running...
squid -- Possible Denial Of Service Vulnerability in store.c
The squid patches page notes: Squid crashes with the above assertion failure assertion failed: store.c:523: "e-storestatus == STOREPENDING" in certain conditions involving aborted requests...
pcre -- regular expression buffer overflow
The pcre library is vulnerable to a buffer overflow vulnerability due to insufficient validation of quantifier values. This could lead execution of arbitrary code with the permissions of the program using pcre by way of a specially crated regular expression...
opera -- download dialog spoofing vulnerability
A Secunia Advisory reports: Secunia Research has discovered a vulnerability in Opera, which can be exploited by malicious people to trick users into executing malicious files. The vulnerability is caused due to an error in the handling of extended ASCII codes in the download dialog. This can be...
opera -- image dragging vulnerability
A Secunia Advisory reports: Secunia Research has discovered a vulnerability in Opera, which can be exploited by malicious people to conduct cross-site scripting attacks and retrieve a user's files. The vulnerability is caused due to Opera allowing a user to drag e.g. an image, which is actually a...
openvpn -- denial of service: malicious authenticated "tap" client can deplete server virtual memory
James Yonan reports: A malicious authenticated client in "dev tap" ethernet bridging mode could theoretically flood the server with packets appearing to come from hundreds of thousands of different MAC addresses, causing the OpenVPN process to deplete system virtual memory as it expands its...
ipsec -- Incorrect key usage in AES-XCBC-MAC
Problem description A programming error in the implementation of the AES-XCBC-MAC algorithm for authentication resulted in a constant key being used instead of the key specified by the system administrator. Impact If the AES-XCBC-MAC algorithm is used for authentication in the absence of any...
zlib -- buffer overflow vulnerability
Problem description A fixed-size buffer is used in the decompression of data streams. Due to erronous analysis performed when zlib was written, this buffer, which was belived to be sufficiently large to handle any possible input stream, is in fact too small. Impact A carefully constructed...
gforge -- XSS and email flood vulnerabilities
Jose Antonio Coret reports that GForge contains multiple Cross Site Scripting vulnerabilities and an e-mail flood vulnerability: The login form is also vulnerable to XSS Cross Site Scripting attacks. This may be used to launch phising attacks by sending HTML e-mails i.e.: saying that you need to...
openvpn -- denial of service: undecryptable packet from authorized client can disconnect unrelated clients
James Yonan reports: If the client sends a packet which fails to decrypt on the server, the OpenSSL error queue is not properly flushed, which can result in another unrelated client instance on the server seeing the error and responding to it, resulting in disconnection of the unrelated client...
ethereal -- multiple protocol dissectors vulnerabilities
An Ethreal Security Advisories reports: Our testing program has turned up several more security issues: The LDAP dissector could free static memory and crash. The AgentX dissector could crash. The 802.3 dissector could go into an infinite loop. The PER dissector could abort. The DHCP dissector...
proftpd -- format string vulnerabilities
The ProFTPD release notes states: sean found two format string vulnerabilities, one in modsql's SQLShowInfo directive, and one involving the 'ftpshut' utility. Both can be considered low risk, as they require active involvement on the part of the site administrator in order to be exploited. These...
vim -- vulnerabilities in modeline handling: glob, expand
Georgi Guninski discovered a way to construct Vim modelines that execute arbitrary shell commands. The vulnerability can be exploited by including shell commands in modelines that call the glob or expand functions. An attacker could trick an user to read or edit a trojaned file with modelines...
jabberd -- 3 buffer overflows
There are 3 buffer overflows in jid.c that are triggered during parsing of JID strings when components user, host or resource are too long. jid.c, line 103: overflow in str' buffer through strcpy when "user" part is too long. jid.c, line 115: overflow in str' buffer through strcpy when "host" par...
apache -- http request smuggling
A Watchfire whitepaper reports an vulnerability in the Apache webserver. The vulnerability can be exploited by malicious people causing cross site scripting, web cache poisoining, session hijacking and most importantly the ability to bypass web application firewall protection. Exploiting this...
nbsmtp -- format string vulnerability
When nbsmtp is executed in debug mode, server messages will be printed to stdout and logged via syslog. Syslog is used insecurely and user-supplied format characters are directly fed to the syslog function, which results in a format string vulnerability. Under some circumstances, an SMTP server m...
clamav -- multiple remote buffer overflows
An Secunia Advisory reports: Neel Mehta and Alex Wheeler have reported some vulnerabilities in Clam AntiVirus, which can be exploited by malicious people to cause a DoS Denial of Service or compromise a vulnerable system. Two integer overflow errors in "libclamav/tnef.c" when processing TNEF file...
dnrd -- remote buffer and stack overflow vulnerabilities
Natanael Copa reports that dnrd is vulnerable to a remote buffer overflow and a remote stack overflow. These vulnerabilities can be triggered by sending invalid DNS packets to dnrd. The buffer overflow could potentially be used to execute arbitrary code with the permissions of the dnrd daemon. No...
libgadu -- multiple vulnerabilities
Wojtek Kaniewski reports: Multiple vulnerabilities have been found in libgadu, a library for handling Gadu-Gadu instant messaging protocol. It is a part of ekg, a Gadu-Gadu client, but is widely used in other clients. Also some of the user contributed scripts were found to behave in an insecure...
fetchmail -- denial of service/crash from malicious POP3 server
In fetchmail 6.2.5.1, the remote code injection via POP3 UIDL was fixed, but a denial of service attack was introduced: Two possible NULL-pointer dereferences allow a malicious POP3 server to crash fetchmail by respondig with UID lines containing only the article number but no UID in violation of...
squid -- Denial Of Service Vulnerability in sslConnectTimeout
The squid patches page notes: After certain slightly odd requests Squid crashes with a segmentation fault in sslConnectTimeout...
fetchmail -- remote root/code injection from malicious POP3 server
fetchmail's POP3/UIDL code does not truncate received UIDs properly. A malicious or compromised POP3 server can thus corrupt fetchmail's stack and inject code when fetchmail is using UIDL, either through configuration, or as a result of certain server capabilities. Note that fetchmail is run as...
devfs -- ruleset bypass
Problem description Due to insufficient parameter checking of the node type during device creation, any user can expose hidden device nodes on devfs mounted file systems within their jail. Device nodes will be created in the jail with their normal default access permissions. Impact Jailed process...
kdebase -- Kate backup file permission leak
A KDE Security Advisory explains: Kate / Kwrite create a file backup before saving a modified file. These backup files are created with default permissions, even if the original file had more strict permissions set. Depending on the system security settings, backup files might be readable by othe...
PowerDNS -- LDAP backend fails to escape all queries
The LDAP backend in PowerDNS has issues with escaping queries which could cause connection errors. This would make it possible for a malicious user to temporarily blank domains. This is known to affect all releases prior to 2.9.18...
squirrelmail -- _$POST variable handling allows for various attacks
A Squirrelmail Advisory reports: An extract$POST was done in optionsidentities.php which allowed for an attacker to set random variables in that file. This could lead to the reading and possible writing of other people's preferences, cross site scripting or writing files in webserver-writable...
firefox & mozilla -- multiple vulnerabilities
The Mozilla Foundation reports of multiple security vulnerabilities in Firefox and Mozilla: MFSA 2005-56 Code execution through shared function objects MFSA 2005-55 XHTML node spoofing MFSA 2005-54 Javascript prompt origin spoofing MFSA 2005-53 Standalone applications can run arbitrary code throu...
heartbeat -- insecure temporary file creation vulnerability
Eric Romang reports a temporary file creation vulnerability within heartbeat. The vulnerability is caused by hardcoded temporary file usage. This can cause an attacker to create an arbitrary symlink causing the application to overwrite the symlinked file with the permissions of the user executing...
apache -- Certificate Revocation List (CRL) off-by-one vulnerability
Marc Stern reports an off-by-one vulnerability in within modssl. The vulnerability lies in modssl's Certificate Revocation List CRL. If Apache is configured to use a CRL this could allow an attacker to crash a child process causing a Denial of Service...