K05295501: libssh vulnerability CVE-2020-1730

Security Advisory Description A flaw was found in libssh versions before 0.8.9 and before 0.9.4 in the way it handled AES-CTR or DES ciphers if enabled ciphers. The server or client could crash when the connection hasn't been fully initialized and the system tries to cleanup the ciphers when...

K57255643: libssh vulnerability CVE-2016-0739

Security Advisory Description libssh before 0.7.3 improperly truncates ephemeral secrets generated for the 1 diffie-hellman-group1 and 2 diffie-hellman-group14 key exchange methods to 128 bits, which makes it easier for man-in-the-middle attackers to decrypt or intercept SSH sessions via...

SUSE CVE-2012-4559

Multiple double free vulnerabilities in the 1 agentsigndata function in agent.c, 2 channelrequest function in channels.c, 3 sshuserauthpubkey function in auth.c, 4 sftpparseattr3 function in sftp.c, and 5 trypublickeyfromfile function in keyfiles.c in libssh before 0.5.3 allow remote attackers to...

SUSE CVE-2012-4561

The 1 publickeymakedss, 2 publickeymakersa, 3 signaturefromstring, 4 sshdosign, and 5 sshsignsessionid functions in keys.c in libssh before 0.5.3 free "an invalid pointer on an error path," which might allow remote attackers to cause a denial of service crash via unspecified vectors...

SUSE CVE-2012-4562

Multiple integer overflows in libssh before 0.5.3 allow remote attackers to cause a denial of service infinite loop or crash and possibly execute arbitrary code via unspecified vectors, which triggers a buffer overflow, infinite loop, or possibly some other unspecified vulnerabilities...

SUSE CVE-2012-4560

Multiple buffer overflows in libssh before 0.5.3 allow remote attackers to cause a denial of service crash or possibly execute arbitrary code via unspecified vectors...

SUSE CVE-2013-0176

The publickeyfromprivatekey function in libssh before 0.5.4, when no algorithm is matched during negotiations, allows remote attackers to cause a denial of service NULL pointer dereference and crash via a "Client: Diffie-Hellman Key Exchange Init" packet...

SUSE CVE-2014-0017

The RANDbytes function in libssh before 0.6.3, when forking is enabled, does not properly reset the state of the OpenSSL pseudo-random number generator PRNG, which causes the state to be shared between children processes and allows local users to obtain sensitive information by leveraging a pid...

SUSE CVE-2015-3146

The 1 SSHMSGNEWKEYS and 2 SSHMSGKEXDHREPLY packet handlers in packagecb.c in libssh before 0.6.5 do not properly validate state, which allows remote attackers to cause a denial of service NULL pointer dereference and crash via a crafted SSH packet...

SUSE CVE-2018-10933

A vulnerability was found in libssh's server-side state machine before versions 0.7.6 and 0.8.4. A malicious client could create channels without first performing authentication, resulting in unauthorized access...

SUSE CVE-2020-1730

A flaw was found in libssh versions before 0.8.9 and before 0.9.4 in the way it handled AES-CTR or DES ciphers if enabled ciphers. The server or client could crash when the connection hasn't been fully initialized and the system tries to cleanup the ciphers when closing the connection. The bigges...

SUSE CVE-2020-16135

libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if sshbuffernew returns NULL...

SUSE CVE-2021-3634

A flaw has been found in libssh in versions prior to 0.9.6. The SSH protocol keeps track of two shared secrets during the lifetime of the session. One of them is called secrethash and the other sessionid. Initially, both of them are the same, but after key re-exchange, previous sessionid is kept...

Security Bulletin: IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to a heap-based buffer overflow in libssh, caused by improper bounds checking.(CVE-2021-3634).

Summary IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to a heap-based buffer overflow in libssh, caused by improper bounds checking CVE-2021-3634. Libssh, included in RedHat, is used in the base operating system by IBM Watson Speech. Please read the details for...

curl: libssh backend CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256 validation bypass

Summary: If libcurl is built against libssh CURLOPTSSHHOSTPUBLICKEYSHA256 is quietly ignored. As a result a SSH connection will be established even if the SHA256 key set doesn't match. Steps To Reproduce: 1. configure libcurl with libssh and build it 2. curl --hostpubsha256 HOSTFINGERPRINTHERE...

Security Bulletin: IBM QRadar SIEM Application Framework Base Image is vulnerable to using components with Known Vulnerabilities

Summary The product includes vulnerable components e.g., framework libraries that may be identified and exploited with automated tools. Vulnerability Details CVEID:CVE-2021-38185 DESCRIPTION: GNU cpio could allow a remote attacker to execute arbitrary code on the system, caused by an integer...

libssh:ssh_client_config_fuzzer: Command injection in std::__Fuzzer::condition_variable::wait

Detailed Report: https://oss-fuzz.com/testcase?key=4939842982641664 Project: libssh Fuzzing Engine: libFuzzer Fuzz Target: sshclientconfigfuzzer Job Type: libfuzzerasanlibssh Platform Id: linux Crash Type: Command injection Crash Address: Crash State: std::Fuzzer::conditionvariable::wait Sanitize...

libssh:ssh_client_config_fuzzer: Command injection with empty stacktrace

Detailed Report: https://oss-fuzz.com/testcase?key=5371772710551552 Project: libssh Fuzzing Engine: libFuzzer Fuzz Target: sshclientconfigfuzzer Job Type: libfuzzerasanlibssh Platform Id: linux Crash Type: Command injection Crash Address: Crash State: NULL Sanitizer: address ASAN Crash Revision:...

Security Bulletin: IBM App Connect Enterprise Certified Container operands may be vulnerable to arbitrary code execution due to CVE-2021-3634

Summary libssh is part of the base OS modules in all operand images in IBM App Connect Enterprise Certified Container. IBM App Connect Enterprise Certified Container is not directly vulnerable under standard operations, but custom use of the images may be vulnerable to arbitrary code execution...

Security Bulletin: IBM MQ Operator and Queue manager container images are vulnerable to multiple vulnerabilities from gzip, jackson-databind, libssh, gnutls, nettle and zlib

Summary Multiple issues were identified in Red Hat UBIubi8/ubi-minimal v8.5-x packages gzip, libssh, gnutls, nettle, zlib and jackson-databind that were shipped with IBM MQ Operator and IBM supplied MQ Advanced container images. Vulnerability Details CVEID:CVE-2021-3634 DESCRIPTION: libssh is...