OpenSSH 2.x/3.0.1/3.0.2 - Channel Code Off-by-One

source: https://www.securityfocus.com/bid/4241/info OpenSSH is a suite implementing the SSH protocol. It includes client and server software, and supports ssh and sftp. It was initially developed for BSD, but is also widely used for Linux, Solaris, and other UNIX-like operating systems. A...

CVE-2001-0872

OpenSSH 3.0.1 and earlier with UseLogin enabled does not properly cleanse critical environment variables such as LDPRELOAD, which allows local users to gain root privileges...

OpenSSH fails to properly apply source IP based access control restrictions

Overview OpenSSH is an implementation of the Secure Shell protocol. A user may be able to bypass the IP based access control restriction feature specified in a key when two keys of varying types are specified. Description Versions of OpenSSH between 2.5.x - 2.9.x may fail to enforce the IP based...

CVE-2001-0816

OpenSSH before 2.9.9, when running sftp using sftp-server and using restricted keypairs, allows remote authenticated users to bypass authorizedkeys2 command= restrictions using sftp commands...

[SECURITY] [DSA-091-1] OpenSSH UseLogin vulnerability

Package : ssh Problem type : influencing login Debian-specific: no If the UseLogin feature is enabled in for ssh local users could pass environment variables including variables like LDPRELOAD to the login process. This has been fixed by not copying the environment of UseLogin is enabled. Please...

OpenSSH UseLogin option allows remote execution of commands as root

Overview Versions of OpenSSH prior to 2.1.1 current circa June, 2000 allow a remote attacker to execute arbitrary commands with the privileges of sshd, typically root. Description OpenSSH is a free implementation of versions 1 and 2 of the SSH protocol. If sshd is configured with the UseLogin...

CVE-2001-1382

The "echo simulation" traffic analysis countermeasure in OpenSSH before 2.9.9p2 sends an additional echo packet after the password and carriage return is entered, which could allow remote attackers to determine that the countermeasure is being used...

Local vulnerability in libutil derived with FreeBSD 4.4-RC (and earlier)

Hello, OpenSSH derived with FreeBSD 4.4 and earlier doesn't drop privileges before messing with login class capability database. The most problematic is: if newcommand == NULL && !quietlogin && !options.uselogin fname = logingetcapstrlc, "copyright", NULL, NULL; if fname != NULL && f = fopenfname...

Проблемы в libutlis/OpenSSH/login (unauthorized access)

При входе клиента не сбрасываются права суперюзера при просмотре параметров задаваемых в пользовательском .loginconf, что позволяет прочитать любой системный файл...

CVE-2001-1029

libutil in OpenSSH on FreeBSD 4.4 and earlier does not drop privileges before verifying the capabilities for reading the copyright and welcome files, which allows local users to bypass the capabilities checks and read arbitrary files by specifying alternate copyright or welcome files...

FreeBSD 4.34.4 - Login Capabilities Privileged File Reading

FreeBSD 4.34.4 - Login Capabilities Privileged File Reading source: https://www.securityfocus.com/bid/3344/info FreeBSD is a freely available, open source implementation of the BSD UNIX Operating System. It is developed and maintained by the FreeBSD Project. It is possible for a user with access ...

CVE-2001-0529

OpenSSH version 2.9 and earlier, with X forwarding enabled, allows a local attacker to delete any file named 'cookies' via a symlink attack...

CVE-2001-1459

OpenSSH 2.9 and earlier does not initiate a Pluggable Authentication Module PAM session if commands are executed with no pty, which allows local users to bypass resource limits rlimits set in pam.d...

Quick Analysiss of the recent crc32 ssh(d) bug

Abstract ----------- This article discusses the recently discovered security hole in the crc32 attack detector as found in common ssh packages like OpenSSH and derivates using the ssh-1 protocoll. There is a possible overflow during assignemnet from 32bit integer to 16bit wide one leading to...

[CORE SDI ADVISORY] SSH1 CRC-32 compensation attack detector vulnerability

CORE SDI http://www.core-sdi.com SSH1 CRC-32 compensation attack detector vulnerability Date Published: 2001-02-08 Advisory ID: CORE-20010207 Bugtraq ID: 2347 CVE CAN: CAN-2001-0144 Title: SSH1 CRC-32 compensation attack detector vulnerability Class: Boundary Error Condition Remotely Exploitable:...

FreeBSD-SA-01:01.openssh

-----BEGIN PGP SIGNED MESSAGE----- ============================================================================= FreeBSD-SA-01:01 Security Advisory FreeBSD, Inc. Topic: Hostile server OpenSSH agent/X11 forwarding Category: core/ports Module: openssh Announced: 2001-01-15 Credits: Markus Friedl...

openssh.forwarding.txt

Hostile servers can force OpenSSH clients to do agent or X11 forwarding 1. Systems affected: All versions of OpenSSH prior to 2.3.0 are affected. 2. Description: If agent or X11 forwarding is disabled in the ssh client configuration, the client does not request these features during session setup...

OpenSSH Security Advisory (adv.fwd)

Hostile servers can force OpenSSH clients to do agent or X11 forwarding 1. Systems affected: All versions of OpenSSH prior to 2.3.0 are affected. 2. Description: If agent or X11 forwarding is disabled in the ssh client configuration, the client does not request these features during session setup...

OpenSSH 1.2 - '.scp' File Create/Overwrite

source: https://www.securityfocus.com/bid/1742/info A vulnerability exists in the 1.2.x releases of scp which, if properly exploited using a modified scp binary on the server end, can permit the remote server to spoof local pathnames and overwrite files belonging to the local user. For example,...

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...