openSUSE Security Update: Security update for libssh2_org ______________________________________________________________________________

Announcement ID: openSUSE-SU-2020:2126-1 Rating: moderate References: #1130103 #1178083 Cross-References: CVE-2019-17498 CVE-2019-3855 CVE-2019-3856 CVE-2019-3857 CVE-2019-3858 CVE-2019-3859 CVE-2019-3860 CVE-2019-3861 CVE-2019-3862 CVE-2019-3863 Affected Products: openSUSE Leap 15.1 ______________________________________________________________________________

An update that fixes 10 vulnerabilities is now available.

Description:

This update for libssh2_org fixes the following issues:

- Version update to 1.9.0: [bsc#1178083, jsc#SLE-16922] Enhancements and bugfixes: * adds ECDSA keys and host key support when using OpenSSL * adds ED25519 key and host key support when using OpenSSL 1.1.1 * adds OpenSSH style key file reading * adds AES CTR mode support when using WinCNG * adds PEM passphrase protected file support for Libgcrypt and WinCNG * adds SHA256 hostkey fingerprint * adds libssh2_agent_get_identity_path() and libssh2_agent_set_identity_path() * adds explicit zeroing of sensitive data in memory * adds additional bounds checks to network buffer reads * adds the ability to use the server default permissions when creating sftp directories * adds support for building with OpenSSL no engine flag * adds support for building with LibreSSL * increased sftp packet size to 256k * fixed oversized packet handling in sftp * fixed building with OpenSSL 1.1 * fixed a possible crash if sftp stat gets an unexpected response * fixed incorrect parsing of the KEX preference string value * fixed conditional RSA and AES-CTR support * fixed a small memory leak during the key exchange process * fixed a possible memory leak of the ssh banner string * fixed various small memory leaks in the backends * fixed possible out of bounds read when parsing public keys from the server * fixed possible out of bounds read when parsing invalid PEM files * no longer null terminates the scp remote exec command * now handle errors when diffie hellman key pair generation fails * improved building instructions * improved unit tests

- Version update to 1.8.2: [bsc#1130103] Bug fixes: * Fixed the misapplied userauth patch that broke 1.8.1 * moved the MAX size declarations from the public header This update was imported from the SUSE:SLE-15:Update update project.

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 15.1:

zypper in -t patch openSUSE-2020-2126=1

Package List:

- openSUSE Leap 15.1 (i586 x86_64):

libssh2-1-1.9.0-lp151.6.6.1 libssh2-1-debuginfo-1.9.0-lp151.6.6.1 libssh2-devel-1.9.0-lp151.6.6.1 libssh2_org-debugsource-1.9.0-lp151.6.6.1

- openSUSE Leap 15.1 (x86_64):

libssh2-1-32bit-1.9.0-lp151.6.6.1 libssh2-1-32bit-debuginfo-1.9.0-lp151.6.6.1

References:

https://www.suse.com/security/cve/CVE-2019-17498.html https://www.suse.com/security/cve/CVE-2019-3855.html https://www.suse.com/security/cve/CVE-2019-3856.html https://www.suse.com/security/cve/CVE-2019-3857.html https://www.suse.com/security/cve/CVE-2019-3858.html https://www.suse.com/security/cve/CVE-2019-3859.html https://www.suse.com/security/cve/CVE-2019-3860.html https://www.suse.com/security/cve/CVE-2019-3861.html https://www.suse.com/security/cve/CVE-2019-3862.html https://www.suse.com/security/cve/CVE-2019-3863.html https://bugzilla.suse.com/1130103 https://bugzilla.suse.com/1178083