Security update for libssh2_org

Announcement ID:	SUSE-SU-2019:13982-1
Rating:	moderate
References:	bsc#1128471 bsc#1128472 bsc#1128474 bsc#1128476 bsc#1128480 bsc#1128481 bsc#1128490 bsc#1128492 bsc#1128493
Cross-References:	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
CVSS scores:	CVE-2019-3855 ( SUSE ): 3.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L CVE-2019-3855 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2019-3855 ( NVD ): 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2019-3856 ( SUSE ): 3.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L CVE-2019-3856 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2019-3856 ( NVD ): 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2019-3857 ( SUSE ): 3.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L CVE-2019-3857 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2019-3857 ( NVD ): 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2019-3858 ( SUSE ): 4.6 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L CVE-2019-3858 ( NVD ): 9.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVE-2019-3859 ( SUSE ): 3.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L CVE-2019-3859 ( NVD ): 9.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVE-2019-3860 ( SUSE ): 3.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L CVE-2019-3860 ( NVD ): 9.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVE-2019-3861 ( SUSE ): 3.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N CVE-2019-3861 ( NVD ): 9.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVE-2019-3862 ( SUSE ): 3.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L CVE-2019-3862 ( NVD ): 9.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVE-2019-3863 ( SUSE ): 3.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L CVE-2019-3863 ( NVD ): 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products:	SLES for SAP Applications 11-SP4 SUSE Linux Enterprise Server 11 SP4 SUSE Linux Enterprise Software Development Kit 11 SP4

An update that solves nine vulnerabilities can now be installed.

Description:

This update for libssh2_org fixes the following issues:

Security issues fixed:

• CVE-2019-3861: Fixed Out-of-bounds reads with specially crafted SSH packets (bsc#1128490).
• CVE-2019-3862: Fixed Out-of-bounds memory comparison with specially crafted message channel request packet (bsc#1128492).
• CVE-2019-3860: Fixed Out-of-bounds reads with specially crafted SFTP packets (bsc#1128481).
• CVE-2019-3863: Fixed an Integer overflow in user authenicate keyboard interactive which could allow out-of-bounds writes with specially crafted keyboard responses (bsc#1128493).
• CVE-2019-3856: Fixed a potential Integer overflow in keyboard interactive handling which could allow out-of-bounds write with specially crafted payload (bsc#1128472).
• CVE-2019-3859: Fixed Out-of-bounds reads with specially crafted payloads due to unchecked use of _libssh2_packet_require and _libssh2_packet_requirev (bsc#1128480).
• CVE-2019-3855: Fixed a potential Integer overflow in transport read which could allow out-of-bounds write with specially crafted payload (bsc#1128471).
• CVE-2019-3858: Fixed a potential zero-byte allocation which could lead to an out-of-bounds read with a specially crafted SFTP packet (bsc#1128476).
• CVE-2019-3857: Fixed a potential Integer overflow which could lead to zero-byte allocation and out-of-bounds with specially crafted message channel request SSH packet (bsc#1128474).

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

• SUSE Linux Enterprise Server 11 SP4
  zypper in -t patch slessp4-libssh2_org-13982=1
• SLES for SAP Applications 11-SP4
  zypper in -t patch slessp4-libssh2_org-13982=1
• SUSE Linux Enterprise Software Development Kit 11 SP4
  zypper in -t patch sdksp4-libssh2_org-13982=1

Package List:

• SUSE Linux Enterprise Server 11 SP4 (s390x x86_64 i586 ppc64 ia64)
  • libssh2-1-1.4.3-17.3.1
• SLES for SAP Applications 11-SP4 (ppc64 x86_64)
  • libssh2-1-1.4.3-17.3.1
• SUSE Linux Enterprise Software Development Kit 11 SP4 (x86_64 i586)
  • libssh2-1-1.4.3-17.3.1
• SUSE Linux Enterprise Software Development Kit 11 SP4 (s390x x86_64 i586 ppc64 ia64)
  • libssh2-devel-1.4.3-17.3.1
• SUSE Linux Enterprise Software Development Kit 11 SP4 (ia64)
  • libssh2-1-x86-1.4.3-17.3.1
• SUSE Linux Enterprise Software Development Kit 11 SP4 (ppc64 s390x x86_64)
  • libssh2-1-32bit-1.4.3-17.3.1

References:

• 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/show_bug.cgi?id=1128471
• https://bugzilla.suse.com/show_bug.cgi?id=1128472
• https://bugzilla.suse.com/show_bug.cgi?id=1128474
• https://bugzilla.suse.com/show_bug.cgi?id=1128476
• https://bugzilla.suse.com/show_bug.cgi?id=1128480
• https://bugzilla.suse.com/show_bug.cgi?id=1128481
• https://bugzilla.suse.com/show_bug.cgi?id=1128490
• https://bugzilla.suse.com/show_bug.cgi?id=1128492
• https://bugzilla.suse.com/show_bug.cgi?id=1128493