Critical SQL injection in phpBB

Anyone can get admin's username and password's md5 hash via a single web request. A working example is provided in the advisory...

MySQL insecure temporary file creation (mysqlbug)

Shaun Colley reports that the script mysqlbug' included with MySQL sometimes creates temporary files in an unsafe manner. As a result, an attacker may create a symlink in /tmp so that if another user invokes mysqlbug' and quits without making any changes, an arbitrary file may be overwritten with...

Buffer overflows and format string bugs in Emil

Ulf Härnhammar reports multiple buffer overflows in Emil, some of which are triggered during the parsing of attachment filenames. In addition, some format string bugs are present in the error reporting code. Depending upon local configuration, these vulnerabilities may be exploited using speciall...

mysql -- FTS request denial of service vulnerability

A special crafted MySQL FTS request can cause the server to crash. Malicious MySQL users can abuse this bug in a denial of service attack against systems running an affected MySQL daemon. Note that because this bug is related to the parsing of requests, it may happen that this bug is triggered...

mysql -- erroneous access restrictions applied to table renames

A Red Hat advisory reports: Oleksandr Byelkin discovered that "ALTER TABLE ... RENAME" checked the CREATE/INSERT rights of the old table instead of the new one. Table access restrictions, on the affected MySQL servers, may accidently or intentially be bypassed due to this bug...

multiple vulnerabilities in ethereal

Stefan Esser of e-matters Security discovered a baker's dozen of buffer overflows in Ethereal's decoders, including: NetFlow IGAP EIGRP PGM IRDA BGP ISUP TCAP UCP In addition, a vulnerability in the RADIUS decoder was found by Jonathan Heusser. Finally, there is one uncredited vulnerability...

insecure temporary file creation in xine-check, xine-bugreport

Some scripts installed with xine create temporary files insecurely. It is recommended that these scripts xine-check, xine-bugreport not be used. They are not needed for normal operation...

multiple vulnerabilities in phpBB

Users with admin rights can severly damage an phpBB installation, potentially triggered by viewing a page with a malicious link sent by an attacker...

isakmpd payload handling denial-of-service vulnerabilities

Numerous errors in isakmpd's input packet validation lead to denial-of-service vulnerabilities. From the Rapid7 advisory: The ISAKMP packet processing functions in OpenBSD's isakmpd daemon contain multiple payload handling flaws that allow a remote attacker to launch a denial of service attack...

OpenSSL ChangeCipherSpec denial-of-service vulnerability

A remote attacker could cause an application using OpenSSL to crash by performing a specially crafted SSL/TLS handshake...

tcpdump ISAKMP payload handling remote denial-of-service

Chad Loder has discovered vulnerabilities in tcpdump's ISAKMP protocol handler. During an audit to repair these issues, Bill Fenner discovered some related problems. These vulnerabilities may be used by an attacker to crash a running tcpdump' process. They can only be triggered if the -v' command...

Apache 1.3 IP address access control failure on some 64-bit platforms

Henning Brauer discovered a programming error in Apache 1.3's modaccess that results in the netmasks in IP address access control rules being interpreted incorrectly on 64-bit, big-endian platforms. In some cases, this could cause a deny from' IP address access control rule including a netmask to...

phpBB session table exhaustion

The includes/sessions.php unnecessarily adds session item into session table and therefore vulnerable to a denial-of-service attack...

oftpd denial-of-service vulnerability (PORT command)

Philippe Oechslin reported a denial-of-service vulnerability in oftpd. The oftpd server can be crashed by sending a PORT command containing an integer over 8 bits long over 255...

GNU Anubis buffer overflows and format string vulnerabilities

Ulf Härnhammar discovered several vulnerabilities in GNU Anubis. Unsafe uses of sscanf'. The %s' format specifier is used, which allows a classical buffer overflow. auth.c Format string bugs invoking syslog'. log.c, errs.c, ssl.c Ulf notes that these vulnerabilities can be exploited by a maliciou...

squid -- HTTP response splitting cache pollution attack

According to a whitepaper published by Sanctum, Inc., it is possible to mount cache poisoning attacks against, among others, squid proxies by inserting false replies into the HTTP stream. The squid patches page notes: This patch additionally strengthens Squid from the HTTP response attack describ...

uudeview buffer overflows

The authors of UUDeview report repairing two buffer overflows in their software...

squid ACL bypass due to URL decoding bug

From the Squid advisory: Squid versions 2.5.STABLE4 and earlier contain a bug in the "%xx" URL decoding function. It may insert a NUL character into decoded URLs, which may allow users to bypass urlregex ACLs...

Darwin Streaming Server denial-of-service vulnerability

An attacker can cause an assertion to trigger by sending a long User-Agent field in a request...

hsftp format string vulnerabilities

Ulf Härnhammar discovered a format string bug in hsftp's file listing code may allow a malicious server to cause arbitrary code execution by the client...

lbreakout2 vulnerability in environment variable handling

Ulf Härnhammar discovered an exploitable vulnerability in lbreakout2's environmental variable handling. In several instances, the contents of the HOME environmental variable are copied to a stack or global buffer without range checking. A local attacker may use this vulnerability to acquire...

Apache 2 mod_ssl denial-of-service

Joe Orton reports a memory leak in Apache 2's modssl. A remote attacker may issue HTTP requests on an HTTPS port, causing an error. Due to a bug in processing this condition, memory associated with the connection is not freed. Repeated requests can result in consuming all available memory...

jailed processes can attach to other jails

A programming error has been found in the jailattach2 system call which affects the way that system call verifies the privilege level of the calling process. Instead of failing immediately if the calling process was already jailed, the jailattach system call would fail only after changing the...

many out-of-sequence TCP packets denial-of-service

FreeBSD does not limit the number of TCP segments that may be held in a reassembly queue. A remote attacker may conduct a low-bandwidth denial-of-service attack against a machine providing services based on TCP there are many such services, including HTTP, SMTP, and FTP. By sending many...

metamail format string bugs and buffer overflows

Ulf Härnhammar reported four bugs in metamail: two are format string bugs and two are buffer overflows. The bugs are in SaveSquirrelFile, PrintHeader, and ShareThisHeader. These vulnerabilities could be triggered by a maliciously formatted email message if metamail' or splitmail' is used to proce...

wu-ftpd ftpaccess `restricted-uid'/`restricted-gid' directive may be bypassed

Glenn Stewart reports a bug in wu-ftpd's ftpaccess restricted-uid'/restricted-gid' directives: Users can get around the restriction to their home directory by issuing a simple chmod command on their home directory. On the next ftp log in, the user will have '/' as their root directory. Matt...

file disclosure in phpMyAdmin

Lack of proper input validation in phpMyAdmin may allow an attacker to obtain the contents of any file on the target system that is readable by the web server...

mnGoSearch buffer overflow in UdmDocToTextBuf()

Jedi/Sector One reported the following on the full-disclosure list: Every document is stored in multiple parts according to its sections description, body, etc in databases. And when the content has to be sent to the client, UdmDocToTextBuf concatenates those parts together and skips metadata...

mozilla -- hostname spoofing bug

When processing URIs that contain an unqualified host name-- specifically, a domain name of only one component-- Mozilla will perform matching against the first component of the domain name in SSL certificates. In other words, in some situations, a certificate issued to "www.example.com" will be...

Buffer overflow in Mutt 1.4

Mutt 1.4 contains a buffer overflow that could be exploited with a specially formed message, causing Mutt to crash or possibly execute arbitrary code...

Buffer overflows in XFree86 servers

A number of buffer overflows were recently discovered in XFree86, prompted by initial discoveries by iDEFENSE. These buffer overflows are present in the font alias handling. An attacker with authenticated access to a running X server may exploit these vulnerabilities to obtain root privileges on...

ModSecurity for Apache 2.x remote off-by-one overflow

When the directive "SecFilterScanPost" is enabled, the Apache 2.x version of ModSecurity is vulnerable to an off-by-one overflow...

clamav remote denial-of-service

clamav will exit when a programming assertion is not met. A malformed uuencoded message can trigger this assertion, allowing an attacker to trivially crash clamd or other components of clamav...

Samba 3.0.x password initialization bug

From the Samba 3.0.2 release notes: Security Announcement: It has been confirmed that previous versions of Samba 3.0 are susceptible to a password initialization bug that could grant an attacker unauthorized access to a user account created by the mksmbpasswd.sh shell script...

libxml2 stack buffer overflow in URI parsing

Yuuichi Teranishi reported a crash in libxml2's URI handling when a long URL is supplied. The implementation in nanohttp.c and nanoftp.c uses a 4K stack buffer, and longer URLs will overwrite the stack. This could result in denial-of-service or arbitrary code execution in applications using libxm...

Apache-SSL optional client certificate vulnerability

From the Apache-SSL security advisory: If configured with SSLVerifyClient set to 1 or 3 client certificates optional and SSLFakeBasicAuth, Apache-SSL 1.3.28+1.52 and all earlier versions would permit a client to use real basic authentication to forge a client certificate. All the attacker needed ...

jailed processes can manipulate host routing tables

A programming error resulting in a failure to verify that an attempt to manipulate routing tables originated from a non-jailed process. Jailed processes running with superuser privileges could modify host routing tables. This could result in a variety of consequences including packets being sent...

Courier mail services: remotely exploitable buffer overflows

The Courier set of mail services use a common Unicode library. This library contains buffer overflows in the converters for two popular Japanese character encodings. These overflows may be remotely exploitable, triggered by a maliciously formatted email message that is later processed by one of t...

shmat reference counting bug

A programming error in the shmat2 system call can result in a shared memory segment's reference count being erroneously incremented. It may be possible to cause a shared memory segment to reference unallocated kernel memory, but remain valid. This could allow a local attacker to gain read or writ...

racoon -- improper certificate handling

Thomas Walpuski noted when OpenSSL would detect an error condition for a peer certificate, racoon mistakenly ignored the error. This could allow five invalid certificate states to properly be used for authentication...

mksnap_ffs clears file system options

The kernel interface for creating a snapshot of a filesystem is the same as that for changing the flags on that filesystem. Due to an oversight, the mksnapffs8 command called that interface with only the snapshot flag set, causing all other flags to be reset to the default value. A regularly...

GNU libtool insecure temporary file handling

libtool attempts to create a temporary directory in which to write scratch files needed during processing. A malicious user may create a symlink and then manipulate the directory so as to write to files to which she normally has no permissions. This has been reported as a symlink vulnerability'',...

gallery -- remote code injection via HTTP_POST_VARS

A web server running Gallery can be exploited for arbitrary PHP code execution through the use of a maliciously crafted URL...

Several remotely exploitable buffer overflows in gaim

Stefan Esser of e-matters found almost a dozen remotely exploitable vulnerabilities in Gaim. From the e-matters advisory: While developing a custom add-on, an integer overflow in the handling of AIM DirectIM packets was revealed that could lead to a remote compromise of the IM client. After...

php -- readfile() DoS vulnerability

A SUSE Security advisory reports: A bug in the readfile function of php4 could be used to to crash the httpd running the php4 code when accessing files with a multiple of the architectures page size leading to a denial of service...

mysql -- ALTER MERGE denial of service vulnerability

Dean Ellis reported a denial of service vulnerability in the MySQL server: Multiple threads ALTERing the same or different MERGE tables to change the UNION eventually crash the server or hang the individual threads. Note that a script demonstrating the problem is included in the MySQL bug report...

kdepim exploitable buffer overflow in VCF reader

A buffer overflow is present in some versions of the KDE personal information manager kdepim which may be triggered when processing a specially crafted VCF file...

Vulnerabilities in H.323 implementations

The NISCC and the OUSPG developed a test suite for the H.323 protocol. This test suite has uncovered vulnerabilities in several H.323 implementations with impacts ranging from denial-of-service to arbitrary code execution. In the FreeBSD Ports Collection, pwlib' is directly affected. Other...

racoon security association deletion vulnerability

A remote attacker may use specially crafted IKE/ISAKMP messages to cause racoon to delete security associations. This could result in denial-of-service or possibly cause sensitive traffic to be transmitted in plaintext, depending upon configuration...

leafnode fetchnews denial-of-service triggered by truncated transmission

When a downloaded news article ends prematurely, i. e. when the server sends CRLF.CRLF before sending a blank line, fetchnews may wait indefinitely for data that never arrives. Workaround: configure "minlines=1" or use a bigger value in the configuration file. Found by Toni Viemerö...