6622 matches found
SUSE CVE-2016-10708
sshd in OpenSSH before 7.4 allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via an out-of-sequence NEWKEYS message, as demonstrated by Honggfuzz, related to kex.c and packet.c...
SUSE CVE-2016-20012
OpenSSH through 8.7 allows remote attackers, who have a suspicion that a certain combination of username and public key is known to an SSH server, to test whether this suspicion is correct. This occurs because a challenge is sent only when that combination could be valid for a login session. NOTE...
SUSE CVE-2017-15906
The processopen function in sftp-server.c in OpenSSH before 7.6 does not properly prevent write operations in readonly mode, which allows attackers to create zero-length files...
SUSE CVE-2018-15473
OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c...
SUSE CVE-2018-15919
Remotely observable behaviour in auth-gss2.c in OpenSSH through 7.8 could be used by remote attackers to detect existence of users on a target system when GSS2 is in use. NOTE: the discoverer states 'We understand that the OpenSSH developers do not want to treat such a username enumeration or...
SUSE CVE-2018-20685
In OpenSSH 7.9, scp.c in the scp client allows remote SSH servers to bypass intended access restrictions via the filename of . or an empty filename. The impact is modifying the permissions of the target directory on the client side...
SUSE CVE-2019-6110
In OpenSSH 7.9, due to accepting and displaying arbitrary stderr output from the server, a malicious server or Man-in-The-Middle attacker can manipulate the client output, for example to use ANSI control codes to hide additional files being transferred...
SUSE CVE-2020-12062
The scp client in OpenSSH 8.2 incorrectly sends duplicate responses to the server upon a utimes system call failure, which allows a malicious unprivileged user on the remote server to overwrite arbitrary files in the client's download directory by creating a crafted subdirectory anywhere on the...
SUSE CVE-2021-36368
An issue was discovered in OpenSSH before 8.9. If a client is using public-key authentication with agent forwarding but without -oLogLevel=verbose, and an attacker has silently modified the server to support the None authentication option, then the user cannot determine whether FIDO authenticatio...
Vulnerability of the options.kex_algorithms component in the OpenSSH cryptographic protection server, allowing a hacker to execute arbitrary code.
The vulnerability of the options.kexalgorithms component in the OpenSSH cryptographic protection server is related to a memory reclamation error. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...
OESA-2023-1063 openssh security update
OpenSSH is the premier connectivity tool for remote login with the SSH protocol. \ It encrypts all traffic to eliminate eavesdropping, connection hijacking, and \ other attacks. In addition, OpenSSH provides a large suite of secure tunneling \ capabilities, several authentication methods, and...
OpenSSH 9.1 Double Free
The version of OpenSSH installed on the remote host is 9.1. It is, therefore, affected by a double-free vulnerability during options.kexalgorithms handling. The double free can be triggered by an unauthenticated attacker in the default configuration; however, the vulnerability discoverer reports...
Exploit for Double Free in Openbsd Openssh
CVE-2023-25136 Proof-of-Concept Overview This is a DoS P...
Exploit for CVE-2022-21449
CVE-2023-25136 Proof-of-Concept Overview This is a DoS P...
CVE-2023-25136
A flaw was found in the OpenSSH server sshd, which introduced a double-free vulnerability during options.kexalgorithms handling. An unauthenticated attacker can trigger the double-free in the default configuration...
OpenSSH Releases Patch for New Pre-Auth Double Free Vulnerability
The maintainers of OpenSSH have released OpenSSH 9.2 to address a number of security bugs, including a memory safety vulnerability in the OpenSSH server sshd. Tracked as CVE-2023-25136, the shortcoming has been classified as a pre-authentication double free vulnerability that was introduced in...
OpenSSH Releases Patch for New Pre-Auth Double Free Vulnerability
The maintainers of OpenSSH have released OpenSSH 9.2 to address a number of security bugs, including a memory safety vulnerability in the OpenSSH server sshd. Tracked as CVE-2023-25136, the shortcoming has been classified as a pre-authentication double free vulnerability that was introduced in...
CVE-2023-25136: Pre-Auth Double Free Vulnerability in OpenSSH Server 9.1
OpenSSH, the widely used open-source implementation of the Secure Shell SSH protocol, recently released version 9.2 on 2023-02-02 to address a pre-authentication vulnerability in the OpenSSH server version 9.1. This specific version of the OpenSSH server, which was released in October 2022, was...
CVE-2023-25136
OpenSSH server sshd 9.1 introduced a double-free vulnerability during options.kexalgorithms handling. This is fixed in OpenSSH 9.2. The double free can be leveraged, by an unauthenticated remote attacker in the default configuration, to jump to any location in the sshd address space. One...
