openSUSE Security Update: Security update for libssh2_org
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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
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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
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