6611 matches found
ruby -- vulnerability in the safe level settings
Ruby home page reports: The Object Oriented Scripting Language Ruby supports safely executing an untrusted code with two mechanisms: safe level and taint flag on objects. A vulnerability has been found that allows bypassing these mechanisms. By using the vulnerability, arbitrary code can be...
cfengine -- arbitrary file overwriting vulnerability
A Debian Security Advisory reports: Javier Fernández-Sanguino Peña discovered several insecure temporary file uses in cfengine, a tool for configuring and maintaining networked machines, that can be exploited by a symlink attack to overwrite arbitrary files owned by the user executing cfengine,...
uim -- privilege escalation vulnerability
The uim developers reports: Masanari Yamamoto discovered that incorrect use of environment variables in uim. This bug causes privilege escalation if setuid/setgid applications was linked to libuim. This bug appears in 'immodule for Qt' enabled Qt. Normal Qt is also safe. In some distribution,...
phpmyfaq -- SQL injection, takeover, path disclosure, remote code execution
If magic quotes are off there's a SQL injection when sending a forgotten password. It's possible to overwrite the admin password and to take over the whole system. In some files in the admin section there are some cross site scripting vulnerabilities. In the public frontend it's possible to inclu...
perl, webmin, usermin -- perl format string integer wrap vulnerability
The Perl Development page reports: Dyad Security recently released a security advisory explaining how in certain cases, a carefully crafted format string passed to sprintf can cause a buffer overflow. This buffer overflow can then be used by an attacker to execute code on the machine. This was...
firefox & mozilla -- multiple vulnerabilities
A Mozilla Foundation Security Advisory reports of multiple issues: Heap overrun in XBM image processing jackerror reports that an improperly terminated XBM image ending with space characters instead of the expected end tag can lead to a heap buffer overrun. This appears to be exploitable to insta...
clamav -- arbitrary code execution and DoS vulnerabilities
Gentoo Linux Security Advisory reports: Clam AntiVirus is vulnerable to a buffer overflow in "libclamav/upx.c" when processing malformed UPX-packed executables. It can also be sent into an infinite loop in "libclamav/fsg.c" when processing specially-crafted FSG-packed executables. By sending a...
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...
X11 server -- pixmap allocation vulnerability
Allocating large pixmaps by a client can trigger an integer overflow in the X server, potentially leading to execution of arbitrary code with elevated root privileges...
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...
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...
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+...
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...
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: 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...
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...
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...
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...
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...
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...
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...
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...
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...
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 -- 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...
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...