123 matches found
SOL2773 - Multiple Open SSH vulnerabilities CA-2003-24, CA-2003-26, and CA-2003-26
CERT Vulnerability Note VU333628 details a buffer management problem in all versions of OpenSSH, prior to version 3.7.1, that may potentially be used by an attacker to gain unauthorized remote access. For information about this vulnerability, refer to...
[SECURITY] [DSA-382-2] OpenSSH buffer management fix
------------------------------------------------------------------------ Debian Security Advisory DSA-382-2 [email protected] http://www.debian.org/security/ Wichert Akkerman September 17, 2003 - ------------------------------------------------------------------------ Package : ssh...
OpenSSH Server Vulnerabilities
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Cisco Security Advisory: OpenSSH Server Vulnerabilities
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Cisco Security Advisory: OpenSSH Server Vulnerabilities Revision Numeral: 1.0 INTERIM For Public Release 2003 September 17 0700 GMT ---------------------------------------------------------------------- Contents Summary Affected Products Details Impac...
OpenSSH < 3.7.1 Multiple Vulnerabilities
According to its banner, the remote SSH server is running a version of OpenSSH older than 3.7.1. Such versions are vulnerable to a flaw in the buffer management functions that might allow an attacker to execute arbitrary commands on this host. An exploit for this issue is rumored to exist. Note...
OpenSSH contains buffer management errors
Overview Versions of the OpenSSH server prior to 3.7.1 contain buffer management errors. While the full impact of these vulnerabilities are unclear, they may lead to memory corruption and a denial-of-service situation. Description Versions of OpenSSH prior to 3.7.1 contain errors in the general...
OpenSSH w/ PAM Multiple Timing Attack Weaknesses
The remote host seems to be running an SSH server that could allow an attacker to determine the existence of a given login by comparing the time the remote sshd daemon takes to refuse a bad password for a nonexistent login compared to the time it takes to refuse a bad password for a valid login. ...
CVE-2002-0639
Integer overflow in sshd in OpenSSH 2.9.9 through 3.3 allows remote attackers to execute arbitrary code during challenge response authentication ChallengeResponseAuthentication when OpenSSH is using SKEY or BSDAUTH authentication...
Three problems in OpenSSH's ssh-keysign
This is being posted to bugtraq in the interest of full disclosure. Originally sent to [email protected]. There are 3 problems we observed by inspection of OpenSSH's ssh-keysign: 1 Charles Hannum Since no blinding is done on the RSA calculations, ssh-keysign is effectively a fairly efficient...
Advisory CA-2002-18 OpenSSH Vulnerabilities in Challenge Response
CERT Advisory CA-2002-18 OpenSSH Vulnerabilities in Challenge Response Handling Original release date: June 26, 2002 Last revised: -- Source: CERT/CC A complete revision history can be found at the end of this file. Systems Affected OpenSSH versions 2.3.1p1 through 3.3 Overview There are two...
OpenSSH vulnerabilities in challenge response handling
Overview There are two related vulnerabilities in the challenge response handling code in OpenSSH versions 2.3.1p1 through 3.3. They may allow a remote intruder to execute arbitrary code as the user running sshd often root. The first vulnerability affects OpenSSH versions 2.9.9 through 3.3 that...
OpenSSH < 3.4 Multiple Remote Overflows
According to its banner, the remote host appears to be running OpenSSH version 3.4 or older. Such versions are reportedly affected by multiple flaws. An attacker may exploit these vulnerabilities to gain a shell on the remote system. Note that several distributions patched this hole without...
OpenSSH 3.x - Challenge-Response Buffer Overflow (1)
OpenSSH 3.x - Challenge-Response Buffer Overflow 1 source: https://www.securityfocus.com/bid/5093/info The OpenSSH team has reported two vulnerabilities in OpenSSH that are remotely exploitable and may allow for unauthenticated attackers to obtain root privileges. The conditions are related to th...
OpenSSH 3.x - Challenge-Response Buffer Overflow (2)
OpenSSH 3.x - Challenge-Response Buffer Overflow 2 source: https://www.securityfocus.com/bid/5093/info The OpenSSH team has reported two vulnerabilities in OpenSSH that are remotely exploitable and may allow for unauthenticated attackers to obtain root privileges. The conditions are related to th...
OpenSSH 3.x - Challenge-Response Buffer Overflow (1)
source: https://www.securityfocus.com/bid/5093/info The OpenSSH team has reported two vulnerabilities in OpenSSH that are remotely exploitable and may allow for unauthenticated attackers to obtain root privileges. The conditions are related to the OpenSSH SSH2 challenge-response mechanism. They...
OpenSSH 3.x - Challenge-Response Buffer Overflow (2)
source: https://www.securityfocus.com/bid/5093/info The OpenSSH team has reported two vulnerabilities in OpenSSH that are remotely exploitable and may allow for unauthenticated attackers to obtain root privileges. The conditions are related to the OpenSSH SSH2 challenge-response mechanism. They...
OpenSSH < 3.0.2 Multiple Vulnerabilities
You are running a version of OpenSSH which is older than 3.0.2. Versions prior than 3.0.2 have the following vulnerabilities : - When the UseLogin feature is enabled, a local user could export environment variables, resulting in command execution as root. The UseLogin feature is disabled by...
OpenSSH < 3.0.1 Multiple Flaws
According to its banner, the remote host appears to be running OpenSSH version 3.0.1 or older. Such versions are reportedly affected by multiple flaws : - Provided KerberosV is enabled disabled by default, it may be possible for an attacker to partially authenticate. - It may be possible to crash...
CVE-2001-1380
OpenSSH before 2.9.9, while using keypairs and multiple keys of different types in the /.ssh/authorizedkeys2 file, may not properly handle the "from" option associated with a key, which could allow remote attackers to login from unauthorized IP addresses...
OpenSSH 2.5.x - 2.9 Multiple Vulnerabilities
According to its banner, the remote host appears to be running OpenSSH version between 2.5.x and 2.9. Such versions reportedly contain multiple vulnerabilities : - sftp-server does not respect the 'command=' argument of keys in the authorizedkeys2 file. CVE-2001-0816 - sshd does not properly hand...