SUSE-SU-2023:4904-1 Security update for openssh

This update for openssh fixes the following issues: - CVE-2023-48795: Fixed prefix truncation breaking ssh channel integrity bsc1217950...

SUSE-SU-2023:4903-1 Security update for openssh

This update for openssh fixes the following issues: - CVE-2023-48795: Fixed prefix truncation breaking ssh channel integrity bsc1217950...

CVE-2023-48795

A flaw was found in the SSH channel integrity. By manipulating sequence numbers during the handshake, an attacker can remove the initial messages on the secure channel without causing a MAC failure. For example, an attacker could disable the ping extension and thus disable the new countermeasure ...

libssh2: Integer overflow in SSH packet processing channel resulting in out of bounds write

An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 in the way SSHMSGCHANNELREQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server...

DEBIAN-CVE-2019-3857

An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSHMSGCHANNELREQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects t...

DEBIAN-CVE-2019-3862

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSHMSGCHANNELREQUEST packets with an exit status message and no payload are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory...

Scientific Linux Security Update : libssh2 on SL7.x x86_64 (20151119)

A flaw was found in the way the kexagreemethods function of libssh2 performed a key exchange when negotiating a new SSH session. A man-in-the- middle attacker could use a crafted SSHMSGKEXINIT packet to crash a connecting libssh2 client. CVE-2015-1782 This update also fixes the following bugs : -...