OSV-2023-343 Heap-buffer-overflow in _libssh2_ntohu32

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58291 Crash type: Heap-buffer-overflow READ 1 Crash state: libssh2ntohu32 packetauthagentopen libssh2packetadd...

Security Bulletin: Vulnerability in libssh2 affects SAN Volume Controller and Storwize Family (CVE-2015-1782)

Summary A vulnerability in libssh2 affects SAN Volume Controller and Storwize Family. Vulnerability Details CVEID: CVE-2015-1782 DESCRIPTION: libssh2 is vulnerable to a denial of service, caused by an error in kexagreemethods function. By sending a specially-craftedlity to cause the system to sto...

Debian: Security Advisory (DLA-426-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Debian: Security Advisory (DLA-171-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

K13322484: libssh2 vulnerability CVE-2019-13115

Security Advisory Description In libssh2 before 1.9.0, kexmethoddiffiehellmangroupexchangesha256keyexchange in kex.c has an integer overflow that could lead to an out-of-bounds read in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to disclose...

K21531693: libssh2 vulnerability CVE-2016-0787

Security Advisory Description The diffiehellmansha256 function in kex.c in libssh2 before 1.7.0 improperly truncates secrets to 128 or 256 bits, which makes it easier for man-in-the-middle attackers to decrypt or intercept SSH sessions via unspecified vectors, aka a "bits/bytes confusion bug."...

K90011301: libssh2 vulnerabilities CVE-2019-3856, CVE-2019-3857, and CVE-2019-3863

Security Advisory Description CVE-2019-3856 An integer overflow flaw, which could lead to an out of bounds write, was discovered in libssh2 before 1.8.1 in the way keyboard prompt requests are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system...

SUSE CVE-2015-1782

The kexagreemethods function in libssh2 before 1.5.0 allows remote servers to cause a denial of service crash or have other unspecified impact via crafted length values in an SSHMSGKEXINIT packet...

SUSE CVE-2016-0787

The diffiehellmansha256 function in kex.c in libssh2 before 1.7.0 improperly truncates secrets to 128 or 256 bits, which makes it easier for man-in-the-middle attackers to decrypt or intercept SSH sessions via unspecified vectors, aka a "bits/bytes confusion bug."...

SUSE CVE-2019-3855

An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way packets are read from the server. 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...

SUSE 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...

SUSE CVE-2019-3856

An integer overflow flaw, which could lead to an out of bounds write, was discovered in libssh2 before 1.8.1 in the way keyboard prompt requests 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...

SUSE CVE-2019-3858

An out of bounds read flaw was discovered in libssh2 before 1.8.1 when a specially crafted SFTP packet is received from the server. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory...

SUSE CVE-2019-3860

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SFTP packets with empty payloads 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...

SUSE CVE-2019-3861

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH packets with a padding length value greater than the packet length 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...

SUSE CVE-2019-3859

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the libssh2packetrequire and libssh2packetrequirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory...

SUSE CVE-2019-3863

A flaw was found in libssh2 before 1.8.1 creating a vulnerability on the SSH client side. A server could send a multiple keyboard interactive response messages whose total length are greater than unsigned char max characters. This value is used by the SSH client as an index to copy memory causing...

SUSE 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...

SUSE CVE-2019-13115

In libssh2 before 1.9.0, kexmethoddiffiehellmangroupexchangesha256keyexchange in kex.c has an integer overflow that could lead to an out-of-bounds read in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to disclose sensitive information or caus...

SUSE CVE-2019-17498

In libssh2 v1.9.0 and earlier versions, the SSHMSGDISCONNECT logic in packet.c has an integer overflow in a bounds check, enabling an attacker to specify an arbitrary out-of-bounds offset for a subsequent memory read. A crafted SSH server may be able to disclose sensitive information or cause a...