Linux news 5.09.00

Linux 2.2.17 Вышло новое ядро из стабильной серии - 2.2.17 Подробнее: http://www.linux.org.uk/VERSION/relnotes.2217.html Linux 2.2.18pre3 Alan Cox выпустил 1-ю pre-версию "после-следующего" стабильного ядра Linux - 2.2.18. Работа над следующим стабильным ядром Linux, 2.2.17, закончилась на pre20,...

CVE-2000-0535

OpenSSL 0.9.4 and OpenSSH for FreeBSD do not properly check for the existence of the /dev/random or /dev/urandom devices, which are absent on FreeBSD Alpha systems, which causes them to produce weak keys which may be more easily broken...

CVE-2000-0535

CVE-2000-0535 affects OpenSSL 0.9.4 and OpenSSH on FreeBSD, where FreeBSD Alpha's missing /dev/random or /dev/urandom leads to weak cryptographic keys. The issue arises from improper device checks, resulting in keys that may be easier to break. The provided documents describe the root cause and a...

FreeBSD-SA-00:30.openssh

-----BEGIN PGP SIGNED MESSAGE----- ============================================================================= FreeBSD-SA-00:30 Security Advisory FreeBSD, Inc. Topic: OpenSSH UseLogin directive permits remote root access Category: core Module: openssh Announced: 2000-07-05 Credits: Markus Fried...

Linux news 13.06.00

-=FOR ALL=- Извините за столь долгое молчание. Решил устроить себе маааленький отпуск на недельку Linux 2.2.16 Вышло очередное ядро из стабильной серии. Подробнее: ftp://ftp.kernel.org/pub/linux/kernel/v2.2/ Исправления для 2.2.16 Для тех, кто испытывает проблемы с ядром 2.2.16, Alan Cox выпустил...

FreeBSD-SA-00:25.alpha-random

-----BEGIN PGP SIGNED MESSAGE----- ============================================================================= FreeBSD-SA-00:25 Security Advisory FreeBSD, Inc. Topic: FreeBSD/Alpha platform lacks kernel pseudo-random number generator, some applications fail to detect this. Category: core Module...

OpenSSH's UseLogin option allows remote access with root privilege.

OpenSSH's UseLogin option allows remote access with root privilege. 1. Systems affected: The default installation of OpenSSH is not vulnerable, since UseLogin defaults to 'no'. However, if UseLogin is enabled, all versions of OpenSSH prior to 2.1.1 are affected. 2. Description: If the UseLogin...

Уязвимость USELOGIN в OpenSSH

При использовании опции USELOGIN внешяя програма логин используется для авторизации пользователя и установки корректных разрешений. В то же время при запросе пользователем сервиса без входа например rsh login не срабатывает и пользователь работает с привилегией root...

OpenSSH < 2.1.1 UseLogin Local Privilege Escalation

According to its banner, the remote host appears to be running OpenSSH version older than 2.1.1. Such versions are reportedly affected by a local privilege esclation vulnerability. If the UseLogin option is enabled, then sshd does not switch to the uid of the user logging in. Instead, sshd relies...

CVE-2000-0525

OpenSSH does not properly drop privileges when the UseLogin option is enabled, which allows local users to execute arbitrary commands by providing the command to the ssh daemon...

PT-2000-1461 · Openssh +1 · Openssh +1

Name of the Vulnerable Software and Affected Versions: OpenSSH affected versions not specified Description: The issue is related to OpenSSH not properly dropping privileges when the UseLogin option is enabled. This allows local users to execute arbitrary commands by providing the command to the s...

FreeBSD-SA-00:21.ssh

-----BEGIN PGP SIGNED MESSAGE----- ============================================================================= FreeBSD-SA-00:21 Security Advisory FreeBSD, Inc. Topic: ssh port listens on extra network port REVISED Category: ports Module: ssh Announced: 2000-06-07 Credits: Jan Koum Affects: Port...

ssh-xauth.txt

The default SSH configuration for SSH1 and SSH2 allow for remote controlling of X sessions through X forwarding. All children of the SSH connection are able to tunnel X11 sessions through the X tunnel to the client X11 session. This is accomplished by running xauth upon logging in. If xauth is...

PT-2000-1199 · Openssh +1 · Openssh +1

Name of the Vulnerable Software and Affected Versions: OpenSSH affected versions not specified Description: The default configuration of SSH allows X forwarding, which could allow a remote attacker to control a client's X sessions via a malicious xauth program. Recommendations: At the moment, the...

PT-2000-1128 · Openssh +1 · Openssh +1

Name of the Vulnerable Software and Affected Versions: OpenSSH affected versions not specified Description: The issue allows local users without shell access to redirect a TCP connection through a service that uses the standard system password database for authentication, such as POP or FTP...

CVE-1999-0661

CVE-1999-0661 involves multiple widely-used packages (TCP Wrappers 7.6, util-linux 2.9g, wuftpd 2.2 and 2.1f, ircII 2.2.9, OpenSSH 3.4p1, Sendmail 8.12.6) that were replaced at distribution points by a Trojan Horse. The Red Hat advisory and other records corroborate the same core issue: compromis...

CVE-1999-0661

A system is running a version of software that was replaced with a Trojan Horse at one of its distribution points, such as 1 TCP Wrappers 7.6, 2 util-linux 2.9g, 3 wuarchive ftpd wuftpd 2.2 and 2.1f, 4 IRC client ircII ircII 2.2.9, 5 OpenSSH 3.4p1, or 6 Sendmail 8.12.6...

PT-1999-1527 · Openssh +1 · Openssh +1

Name of the Vulnerable Software and Affected Versions: OpenSSH version 1.2.27 Description: The issue allows a client to use the "none" cipher, even if it is not allowed by the server policy, in an SSH server. Recommendations: For OpenSSH version 1.2.27, update the server configuration to explicit...

Telnet Service Detection

The Telnet service is running. This service is dangerous in the sense that it is not ciphered - that is, everyone can sniff the data that passes between the telnet client and the telnet server. This includes logins and passwords. C Tenable Network Security, Inc. include"compat.inc"; ifdescription...

PT-1998-1010 · Openssh · Openssh

Name of the Vulnerable Software and Affected Versions: OpenSSH affected versions not specified Description: The issue allows stolen credentials from SSH clients via the ssh-agent program. This enables other local users to access remote accounts belonging to the ssh-agent user. Recommendations: At...