rpc.statd vulnerable to remote root compromise via format string stack overwrite

Overview The CERT/CC has begun receiving reports of an input validation vulnerability in the rpc.statd program being exploited. This program is included, and often installed by default, in several popular Linux distributions. Please see the vendors section of this document for specific informatio...

Distributed GL Daemon (DGLD) allows attackers to identify IRIX systems

Overview Attackers are using the presence of the dgld service to identify SGI IRIX systems. Description The CERT/CC has received multiple reports of an apparent vulnerability in the Distributed GL Daemon on SGI IRIX systems. Upon further investigation, it is our belief that no vulnerability exist...

IE 5.01 will execute VBA code contained in Access databases when triggered from HTML code contained in an IFRAME

Overview Under certain conditions, Internet Explorer can open Microsoft Access database or project files containing malicious code and execute the code without giving a user prior warning. Access files that are referenced by OBJECT tags in HTML documents can allow attackers to execute arbitrary...

MIT Kerberos 5 ksu may allow either the '-r' or '-l' time-interval parameter to overflow the stack with the characters ''d', 'h', 'm', or 's'

Overview Description From the reporter: Time-interval parsing for the "-r" and "-l" command-line options calls a library routine which uses sscanf"%d%d" and passes the address of an automatic int variable to correspond to the second %-sequence. But the % sequence needs an arbitrarily large string...

MS Outlook "Cache Bypass" allows attackers to circumvent Internet Zone security policy

Overview Microsoft has recently released Microsoft Security Bulletin MS00-046, in which they announced a patch for the "Cache Bypass" vulnerability. By exploiting this vulnerability, an attacker can use an HTML-formatted message to read certain types of files on the victim's machine. In addition,...

ADK flaw in recent versions of PGP

Overview Additional Decryption Keys ADKs is a feature introduced into PGP Pretty Good Privacy versions 5.5.x through 6.5.3 that allows authorized extra decryption keys to be added to a user's public key certificate. However, an implementation flaw in PGP allows unsigned ADKs which have been...

SSH connections using RC4 and password authentication can be replayed

Overview This vulnerability may allow an attacker to replay a captured SSH1 session. Description Preconditions: Client requests RC4 and the server grants request Client uses password authentication When an SSH1 session using the RC4 cipher is established, the client and server agree upon a sessio...

Format string input validation error in wu-ftpd site_exec() function

Overview A vulnerability involving an input validation error in the "site exec" command has recently been identified in the Washington University ftpd wu-ftpd software package. Sites running affected systems are advised to update their wu-ftpd software as soon as possible. A similar but distinct...

statd bounce vulnerability

Overview statd allows access to RPC services it shouldn't. Description Background rpc.statd and rpc.lockd are designed to work in conjunction with each other to manage NFS lock information in the event of a crash of an NFS client or server. The rpc service rpc.statd is a program designed to...

HHControl Object (showHelp) may execute shortcuts embedded in help files

Overview The HHCtrl ActiveX control has a serious vulnerability that allows remote intruders to execute arbitrary code, if the intruder can cause a compiled help file CHM to be stored "locally." Microsoft has released a security bulletin and a patch for this vulnerability, but the patch does not...

IP Fragmentation Denial-of-Service Vulnerability in FireWall-1

Overview A large stream of IP traffic can monopolize the CPU of a Check Point FireWall-1 firewall, resulting in a denial-of-service condition. Description A denial-of-service vulnerability has been discovered in the FireWall-1 product from Check Point Software Technologies. Check Point has tested...

Denial of Service Attack in NetBIOS Services

Overview The NetBIOS Name Service NBNS provides a means for hostname and address mapping on a NetBIOS-aware network. The NetBIOS over TCP/IP protocols including NBNS are described in the Internet Engineering Task Force IETF Request for Comments RFC1001 and RFC1002. These protocols do not specify ...

SSH host key authentication can be bypassed when DNS is used to resolve localhost

Overview This vulnerability allows an attacker to redirect an SSH connection to an arbitary host. Description When making connections to localhost, SSH disables host key checking to provide compatibility with NFS filesystems. As a result, if the victim's machine uses a poisoned DNS server to...

telnet and rlogin URLs disclose sensitive information, including Environment variables

Overview Some telnet clients may disclose sensitive information in environment variables Description Web browsers can be configured to respond to certian protocol types through the use of a helper application. In this case, web browsers can respond to telnet: URLs with the use of a helper...

Notes default ECL allows execution of unsigned code

Overview Lotus Notes prior to version 5.02, had permissive ECLs that allow for the execution of malicious mail messages. Description A Notes ECL is a list consisting of a Notes Username and a set of permissions from the following list for Notes 4.6.x: Access to file system Access to current...

Weak CRC allows RC4 encrypted SSH1 packets to be modified without notice

Overview There is an information integrity vulnerability in the SSH1 protocol that allows RC4 encrypted packets to be modified without notice. Description Preconditions: Client has requested RC4 and server supports it. Compression is disabled. When using the RC4 stream cipher, SSH1 uses a cyclic...