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openssh vulnerabilities and exploits
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NA
CVE-2011-0539
The key_certify function in usr.bin/ssh/key.c in OpenSSH 5.6 and 5.7, when generating legacy certificates using the -t command-line option in ssh-keygen, does not initialize the nonce field, which might allow remote malicious users to obtain sensitive stack memory contents or mak...
Openbsd Openssh 5.6
Openbsd Openssh 5.7
NA
CVE-2015-6565
sshd in OpenSSH 6.8 and 6.9 uses world-writable permissions for TTY devices, which allows local users to cause a denial of service (terminal disruption) or possibly have unspecified other impact by writing to a device, as demonstrated by writing an escape sequence.
Openbsd Openssh 6.9
Openbsd Openssh 6.8
1 EDB exploit
NA
CVE-2004-2069
sshd.c in OpenSSH 3.6.1p2 and 3.7.1p2 and possibly other versions, when using privilege separation, does not properly signal the non-privileged process when a session has been terminated after exceeding the LoginGraceTime setting, which leaves the connection open and allows remot...
Openbsd Openssh 3.6.1p2
Openbsd Openssh 3.7.1p2
NA
CVE-2004-2760
sshd in OpenSSH 3.5p1, when PermitRootLogin is disabled, immediately closes the TCP connection after a root login attempt with the correct password, but leaves the connection open after an attempt with an incorrect password, which makes it easier for remote malicious users to gue...
Openbsd Openssh 3.5
Openbsd Openssh 3.5p1
NA
CVE-2013-4548
The mm_newkeys_from_blob function in monitor_wrap.c in sshd in OpenSSH 6.2 and 6.3, when an AES-GCM cipher is used, does not properly initialize memory for a MAC context data structure, which allows remote authenticated users to bypass intended ForceCommand and login-shell restri...
Openbsd Openssh 6.3
Openbsd Openssh 6.2
NA
CVE-2001-1507
OpenSSH prior to 3.0.1 with Kerberos V enabled does not properly authenticate users, which could allow remote malicious users to login unchallenged.
Openbsd Openssh 3.0
Openbsd Openssh 3.0p1
6.5
CVSSv3
CVE-2022-31124
openssh_key_parser is an open source Python package providing utilities to parse and pack OpenSSH private and public key files. In versions before 0.0.6 if a field of a key is shorter than it is declared to be, the parser raises an error with a message containing the raw field va...
Openssh Key Parser Project Openssh Key Parser
1 Github repository
NA
CVE-2001-0144
CORE SDI SSH1 CRC-32 compensation attack detector allows remote malicious users to execute arbitrary commands on an SSH server or client via an integer overflow.
Openbsd Openssh 1.2.2
Openbsd Openssh 1.2.3
Ssh Ssh 1.2.27
Ssh Ssh 1.2.28
Openbsd Openssh 2.2
Ssh Ssh 1.2.24
Ssh Ssh 1.2.31
Openbsd Openssh 2.1
Openbsd Openssh 2.1.1
Ssh Ssh 1.2.29
Ssh Ssh 1.2.30
Ssh Ssh 1.2.25
Ssh Ssh 1.2.26
2 EDB exploits
9.8
CVSSv3
CVE-2023-38408
The PKCS#11 feature in ssh-agent in OpenSSH prior to 9.3p2 has an insufficiently trustworthy search path, leading to remote code execution if an agent is forwarded to an attacker-controlled system. (Code in /usr/lib is not necessarily safe for loading into ssh-agent.) NOTE: this ...
Openbsd Openssh
Openbsd Openssh 9.3
Fedoraproject Fedora 37
Fedoraproject Fedora 38
10 Github repositories
8.1
CVSSv3
CVE-2019-7639
An issue exists in gsi-openssh-server 7.9p1 on Fedora 29. If PermitPAMUserChange is set to yes in the /etc/gsissh/sshd_config file, logins succeed with a valid username and an incorrect password, even though a failure entry is recorded in the /var/log/messages file.
Fedoraproject Fedora 28
Fedoraproject Fedora 29
Gsi-openssh Project Gsi-openssh 7.9
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
encryption
CVE-2024-4331
CVE-2024-26925
arbitrary code
CVE-2006-4304
CVE-2024-25458
CVE-2024-27077
reflected XSS
CVE-2024-4059
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