The vulnerability of the libssh2 library, related to writing beyond the buffer boundaries in memory, allows a attacker to cause a service failure, execute arbitrary code, or disclose sensitive information.

The vulnerability of the libssh2 library lies in the writing beyond the buffer boundaries in memory. Exploiting this vulnerability can allow a remote attacker to cause service failures, execute arbitrary code, or disclose sensitive information...

libssh2 input validation error vulnerability (CNVD-2019-37882)

libssh2 is a client-side C library that implements the SSH2 protocol, which is capable of executing remote commands, file transfers, and providing a secure transmission channel for remote programs. An input validation error vulnerability exists in the SSHMSGDISCONNECT logic of the packet.c file i...

DEBIAN-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...

ALPINE-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...

AZL-6650 CVE-2019-17498 affecting package libssh2 for versions less than 1.9.0-1

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...

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...

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...

Integer overflow

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...

UBUNTU-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...

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...

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...

CVE-2019-17498: Integer Overflow or Wraparound

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...

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...

CVE-2019-17498

CVE-2019-17498 is an integer overflow in libssh2’s SSH_MSG_DISCONNECT bounds check (packet.c) on v1.9.0 and earlier. This can let a crafted SSH server cause an out-of-bounds memory read, enabling information disclosure or denial of service on the client. Public advisories confirm patches/upgrades...

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...

NewStart CGSL CORE 5.04 / MAIN 5.04 : libssh2 Vulnerability (NS-SA-2019-0183)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has libssh2 packages installed that are affected by a vulnerability: - 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...

NewStart CGSL CORE 5.04 / MAIN 5.04 : libssh2 Multiple Vulnerabilities (NS-SA-2019-0205)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has libssh2 packages installed that are affected by multiple vulnerabilities: - 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 attack...

Amazon Linux 2 : libssh2 (ALAS-2019-1303)

An out of bounds read flaw was discovered in libssh2 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. CVE-2019-3862 C Tenable...

Vulnerability of the _libssh2_transport_read function in the libssh2 library, which allows a hacker to execute arbitrary code

The vulnerability of the libssh2transportread function in the libssh2 library is related to integer overflow during packet reading from the server. Exploiting this vulnerability allows a remote attacker to execute arbitrary code using the compromised SSH server...

Medium: libssh2

Issue Overview: An out of bounds read flaw was discovered in libssh2 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...