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All Products
Red Hat Product Errata RHSA-2019:1943 - Security Advisory
Issued:
2019-07-30
Updated:
2019-07-30

RHSA-2019:1943 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: libssh2 security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for libssh2 is now available for Red Hat Enterprise Linux 7.4 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The libssh2 packages provide a library that implements the SSH2 protocol.

Security Fix(es):

  • libssh2: Integer overflow in transport read resulting in out of bounds write (CVE-2019-3855)
  • libssh2: Integer overflow in keyboard interactive handling resulting in out of bounds write (CVE-2019-3856)
  • libssh2: Integer overflow in SSH packet processing channel resulting in out of bounds write (CVE-2019-3857)
  • libssh2: Integer overflow in user authenticate keyboard interactive allows out-of-bounds writes (CVE-2019-3863)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing these updated packages, all running applications using libssh2 must be restarted for this update to take effect.

Affected Products

  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.4 x86_64
  • Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.4 ppc64
  • Red Hat Enterprise Linux EUS Compute Node 7.4 x86_64
  • Red Hat Enterprise Linux Server - AUS 7.4 x86_64
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.4 s390x
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.4 ppc64le
  • Red Hat Enterprise Linux Server - TUS 7.4 x86_64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 7.4 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.4 x86_64

Fixes

  • BZ - 1687303 - CVE-2019-3855 libssh2: Integer overflow in transport read resulting in out of bounds write
  • BZ - 1687304 - CVE-2019-3856 libssh2: Integer overflow in keyboard interactive handling resulting in out of bounds write
  • BZ - 1687305 - CVE-2019-3857 libssh2: Integer overflow in SSH packet processing channel resulting in out of bounds write
  • BZ - 1687313 - CVE-2019-3863 libssh2: Integer overflow in user authenticate keyboard interactive allows out-of-bounds writes

CVEs

  • CVE-2019-3855
  • CVE-2019-3856
  • CVE-2019-3857
  • CVE-2019-3863

References

  • https://access.redhat.com/security/updates/classification/#important
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.4

SRPM
libssh2-1.4.3-11.el7_4.1.src.rpm SHA-256: 62d3637b6049630adec5e4436a9b2ae0bbdcf88a2c059d4775070218307e2f1f
x86_64
libssh2-1.4.3-11.el7_4.1.i686.rpm SHA-256: 9ba26a225573f976ffd9074f8b73ef674c45f7dda1c6ca951d17837aea2e3877
libssh2-1.4.3-11.el7_4.1.x86_64.rpm SHA-256: 27f0c9bdf9f8b20003061b24dff298094ce1d8194cf8d1f646ce5c8a9691ad33
libssh2-debuginfo-1.4.3-11.el7_4.1.i686.rpm SHA-256: 4b63aff2cb502a2edc13551e20732726e9d324c136b93dd94742eb7571f722ba
libssh2-debuginfo-1.4.3-11.el7_4.1.i686.rpm SHA-256: 4b63aff2cb502a2edc13551e20732726e9d324c136b93dd94742eb7571f722ba
libssh2-debuginfo-1.4.3-11.el7_4.1.x86_64.rpm SHA-256: c90961684d6268e6545a0b43a6af9c6a7e37e46ae4bf729ac3e946dc0b4d047d
libssh2-debuginfo-1.4.3-11.el7_4.1.x86_64.rpm SHA-256: c90961684d6268e6545a0b43a6af9c6a7e37e46ae4bf729ac3e946dc0b4d047d
libssh2-devel-1.4.3-11.el7_4.1.i686.rpm SHA-256: 76a233dd1224e1c00e94f36b40dbe8e16a27b6d4fd4dc933c2d4a14c257296e0
libssh2-devel-1.4.3-11.el7_4.1.x86_64.rpm SHA-256: f9290e12e1fbc5ecc91af2e5d3b6e81ca757988eb39e3501f2cc08e7376ceea1
libssh2-docs-1.4.3-11.el7_4.1.noarch.rpm SHA-256: 4690e3c7b789e1b34f27d35362516c2aaba86d1ee7d75b81de19e0db8f523663

Red Hat Enterprise Linux Server - AUS 7.4

SRPM
libssh2-1.4.3-11.el7_4.1.src.rpm SHA-256: 62d3637b6049630adec5e4436a9b2ae0bbdcf88a2c059d4775070218307e2f1f
x86_64
libssh2-1.4.3-11.el7_4.1.i686.rpm SHA-256: 9ba26a225573f976ffd9074f8b73ef674c45f7dda1c6ca951d17837aea2e3877
libssh2-1.4.3-11.el7_4.1.x86_64.rpm SHA-256: 27f0c9bdf9f8b20003061b24dff298094ce1d8194cf8d1f646ce5c8a9691ad33
libssh2-debuginfo-1.4.3-11.el7_4.1.i686.rpm SHA-256: 4b63aff2cb502a2edc13551e20732726e9d324c136b93dd94742eb7571f722ba
libssh2-debuginfo-1.4.3-11.el7_4.1.i686.rpm SHA-256: 4b63aff2cb502a2edc13551e20732726e9d324c136b93dd94742eb7571f722ba
libssh2-debuginfo-1.4.3-11.el7_4.1.x86_64.rpm SHA-256: c90961684d6268e6545a0b43a6af9c6a7e37e46ae4bf729ac3e946dc0b4d047d
libssh2-debuginfo-1.4.3-11.el7_4.1.x86_64.rpm SHA-256: c90961684d6268e6545a0b43a6af9c6a7e37e46ae4bf729ac3e946dc0b4d047d
libssh2-devel-1.4.3-11.el7_4.1.i686.rpm SHA-256: 76a233dd1224e1c00e94f36b40dbe8e16a27b6d4fd4dc933c2d4a14c257296e0
libssh2-devel-1.4.3-11.el7_4.1.x86_64.rpm SHA-256: f9290e12e1fbc5ecc91af2e5d3b6e81ca757988eb39e3501f2cc08e7376ceea1
libssh2-docs-1.4.3-11.el7_4.1.noarch.rpm SHA-256: 4690e3c7b789e1b34f27d35362516c2aaba86d1ee7d75b81de19e0db8f523663

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.4

SRPM
libssh2-1.4.3-11.el7_4.1.src.rpm SHA-256: 62d3637b6049630adec5e4436a9b2ae0bbdcf88a2c059d4775070218307e2f1f
s390x
libssh2-1.4.3-11.el7_4.1.s390.rpm SHA-256: 421d4a6369677b29419c64b1650cca7ad0d28241f6c9dd8b064dbba0ef719fec
libssh2-1.4.3-11.el7_4.1.s390x.rpm SHA-256: ec8388383bb6574ffe653df65d3e94fc7f877fc021d96e19f6e43a07a1b98c26
libssh2-debuginfo-1.4.3-11.el7_4.1.s390.rpm SHA-256: 2fad591c9ef1a0f6779bbbcf1f1cfe60dd4ce326a0f4f39752db16f404c300ef
libssh2-debuginfo-1.4.3-11.el7_4.1.s390.rpm SHA-256: 2fad591c9ef1a0f6779bbbcf1f1cfe60dd4ce326a0f4f39752db16f404c300ef
libssh2-debuginfo-1.4.3-11.el7_4.1.s390x.rpm SHA-256: c10e72242ebf59f113434155ae970f5c4e6937286390ddac4f69c20636f9d9e1
libssh2-debuginfo-1.4.3-11.el7_4.1.s390x.rpm SHA-256: c10e72242ebf59f113434155ae970f5c4e6937286390ddac4f69c20636f9d9e1
libssh2-devel-1.4.3-11.el7_4.1.s390.rpm SHA-256: 8b43853752e056c6e429948a2daafdc5f287764ee61ced25b288013a4fb8a096
libssh2-devel-1.4.3-11.el7_4.1.s390x.rpm SHA-256: 10570690d91dbec34df3cc925c52834dcc24389633e73d2e496bdb4715d36777
libssh2-docs-1.4.3-11.el7_4.1.noarch.rpm SHA-256: 4690e3c7b789e1b34f27d35362516c2aaba86d1ee7d75b81de19e0db8f523663

Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.4

SRPM
libssh2-1.4.3-11.el7_4.1.src.rpm SHA-256: 62d3637b6049630adec5e4436a9b2ae0bbdcf88a2c059d4775070218307e2f1f
ppc64
libssh2-1.4.3-11.el7_4.1.ppc.rpm SHA-256: 1cf256567813612d62508d18e72d589e060c659a1f929f2a224c726fc5cc6eaa
libssh2-1.4.3-11.el7_4.1.ppc64.rpm SHA-256: b41fa774a8340a2f5d1ebcfa903b4fb9eba2d4adcea357b9ba9d0f53858e5ee4
libssh2-debuginfo-1.4.3-11.el7_4.1.ppc.rpm SHA-256: b68c5a54410bdba364012ff3c6d3475bbada5a57cfefbb596fb6bd0ea6148a5c
libssh2-debuginfo-1.4.3-11.el7_4.1.ppc.rpm SHA-256: b68c5a54410bdba364012ff3c6d3475bbada5a57cfefbb596fb6bd0ea6148a5c
libssh2-debuginfo-1.4.3-11.el7_4.1.ppc64.rpm SHA-256: 954bdc7abb47818e8f233334a80deca2d1fab828dba8678a2f0db5274889faa6
libssh2-debuginfo-1.4.3-11.el7_4.1.ppc64.rpm SHA-256: 954bdc7abb47818e8f233334a80deca2d1fab828dba8678a2f0db5274889faa6
libssh2-devel-1.4.3-11.el7_4.1.ppc.rpm SHA-256: 2740589d1adde18e80bd0451d5dc0e6d39539f0957b7ed863b9e3e2a4fde38c0
libssh2-devel-1.4.3-11.el7_4.1.ppc64.rpm SHA-256: 915f95c5380fb4c84c165651eedc9727654f8594b65ca29121259a917a0b49dc
libssh2-docs-1.4.3-11.el7_4.1.noarch.rpm SHA-256: 4690e3c7b789e1b34f27d35362516c2aaba86d1ee7d75b81de19e0db8f523663

Red Hat Enterprise Linux EUS Compute Node 7.4

SRPM
libssh2-1.4.3-11.el7_4.1.src.rpm SHA-256: 62d3637b6049630adec5e4436a9b2ae0bbdcf88a2c059d4775070218307e2f1f
x86_64
libssh2-1.4.3-11.el7_4.1.i686.rpm SHA-256: 9ba26a225573f976ffd9074f8b73ef674c45f7dda1c6ca951d17837aea2e3877
libssh2-1.4.3-11.el7_4.1.x86_64.rpm SHA-256: 27f0c9bdf9f8b20003061b24dff298094ce1d8194cf8d1f646ce5c8a9691ad33
libssh2-debuginfo-1.4.3-11.el7_4.1.i686.rpm SHA-256: 4b63aff2cb502a2edc13551e20732726e9d324c136b93dd94742eb7571f722ba
libssh2-debuginfo-1.4.3-11.el7_4.1.i686.rpm SHA-256: 4b63aff2cb502a2edc13551e20732726e9d324c136b93dd94742eb7571f722ba
libssh2-debuginfo-1.4.3-11.el7_4.1.x86_64.rpm SHA-256: c90961684d6268e6545a0b43a6af9c6a7e37e46ae4bf729ac3e946dc0b4d047d
libssh2-debuginfo-1.4.3-11.el7_4.1.x86_64.rpm SHA-256: c90961684d6268e6545a0b43a6af9c6a7e37e46ae4bf729ac3e946dc0b4d047d
libssh2-devel-1.4.3-11.el7_4.1.i686.rpm SHA-256: 76a233dd1224e1c00e94f36b40dbe8e16a27b6d4fd4dc933c2d4a14c257296e0
libssh2-devel-1.4.3-11.el7_4.1.x86_64.rpm SHA-256: f9290e12e1fbc5ecc91af2e5d3b6e81ca757988eb39e3501f2cc08e7376ceea1
libssh2-docs-1.4.3-11.el7_4.1.noarch.rpm SHA-256: 4690e3c7b789e1b34f27d35362516c2aaba86d1ee7d75b81de19e0db8f523663

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.4

SRPM
libssh2-1.4.3-11.el7_4.1.src.rpm SHA-256: 62d3637b6049630adec5e4436a9b2ae0bbdcf88a2c059d4775070218307e2f1f
ppc64le
libssh2-1.4.3-11.el7_4.1.ppc64le.rpm SHA-256: 75e5a147afb5388c104e3db149e67632ba0256f6d57b4686d4a7ec4ae0a7197c
libssh2-debuginfo-1.4.3-11.el7_4.1.ppc64le.rpm SHA-256: 23de26dbad3720d1a84fbfe7457e874a17eadd90b406ebaace6b306f44e68bd8
libssh2-debuginfo-1.4.3-11.el7_4.1.ppc64le.rpm SHA-256: 23de26dbad3720d1a84fbfe7457e874a17eadd90b406ebaace6b306f44e68bd8
libssh2-devel-1.4.3-11.el7_4.1.ppc64le.rpm SHA-256: 02916e014ed4d33d213480fcf1af49ca905976e68db6107f02e7d0ae65f45ddc
libssh2-docs-1.4.3-11.el7_4.1.noarch.rpm SHA-256: 4690e3c7b789e1b34f27d35362516c2aaba86d1ee7d75b81de19e0db8f523663

Red Hat Enterprise Linux Server - TUS 7.4

SRPM
libssh2-1.4.3-11.el7_4.1.src.rpm SHA-256: 62d3637b6049630adec5e4436a9b2ae0bbdcf88a2c059d4775070218307e2f1f
x86_64
libssh2-1.4.3-11.el7_4.1.i686.rpm SHA-256: 9ba26a225573f976ffd9074f8b73ef674c45f7dda1c6ca951d17837aea2e3877
libssh2-1.4.3-11.el7_4.1.x86_64.rpm SHA-256: 27f0c9bdf9f8b20003061b24dff298094ce1d8194cf8d1f646ce5c8a9691ad33
libssh2-debuginfo-1.4.3-11.el7_4.1.i686.rpm SHA-256: 4b63aff2cb502a2edc13551e20732726e9d324c136b93dd94742eb7571f722ba
libssh2-debuginfo-1.4.3-11.el7_4.1.i686.rpm SHA-256: 4b63aff2cb502a2edc13551e20732726e9d324c136b93dd94742eb7571f722ba
libssh2-debuginfo-1.4.3-11.el7_4.1.x86_64.rpm SHA-256: c90961684d6268e6545a0b43a6af9c6a7e37e46ae4bf729ac3e946dc0b4d047d
libssh2-debuginfo-1.4.3-11.el7_4.1.x86_64.rpm SHA-256: c90961684d6268e6545a0b43a6af9c6a7e37e46ae4bf729ac3e946dc0b4d047d
libssh2-devel-1.4.3-11.el7_4.1.i686.rpm SHA-256: 76a233dd1224e1c00e94f36b40dbe8e16a27b6d4fd4dc933c2d4a14c257296e0
libssh2-devel-1.4.3-11.el7_4.1.x86_64.rpm SHA-256: f9290e12e1fbc5ecc91af2e5d3b6e81ca757988eb39e3501f2cc08e7376ceea1
libssh2-docs-1.4.3-11.el7_4.1.noarch.rpm SHA-256: 4690e3c7b789e1b34f27d35362516c2aaba86d1ee7d75b81de19e0db8f523663

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 7.4

SRPM
libssh2-1.4.3-11.el7_4.1.src.rpm SHA-256: 62d3637b6049630adec5e4436a9b2ae0bbdcf88a2c059d4775070218307e2f1f
ppc64le
libssh2-1.4.3-11.el7_4.1.ppc64le.rpm SHA-256: 75e5a147afb5388c104e3db149e67632ba0256f6d57b4686d4a7ec4ae0a7197c
libssh2-debuginfo-1.4.3-11.el7_4.1.ppc64le.rpm SHA-256: 23de26dbad3720d1a84fbfe7457e874a17eadd90b406ebaace6b306f44e68bd8
libssh2-debuginfo-1.4.3-11.el7_4.1.ppc64le.rpm SHA-256: 23de26dbad3720d1a84fbfe7457e874a17eadd90b406ebaace6b306f44e68bd8
libssh2-devel-1.4.3-11.el7_4.1.ppc64le.rpm SHA-256: 02916e014ed4d33d213480fcf1af49ca905976e68db6107f02e7d0ae65f45ddc
libssh2-docs-1.4.3-11.el7_4.1.noarch.rpm SHA-256: 4690e3c7b789e1b34f27d35362516c2aaba86d1ee7d75b81de19e0db8f523663

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.4

SRPM
libssh2-1.4.3-11.el7_4.1.src.rpm SHA-256: 62d3637b6049630adec5e4436a9b2ae0bbdcf88a2c059d4775070218307e2f1f
x86_64
libssh2-1.4.3-11.el7_4.1.i686.rpm SHA-256: 9ba26a225573f976ffd9074f8b73ef674c45f7dda1c6ca951d17837aea2e3877
libssh2-1.4.3-11.el7_4.1.x86_64.rpm SHA-256: 27f0c9bdf9f8b20003061b24dff298094ce1d8194cf8d1f646ce5c8a9691ad33
libssh2-debuginfo-1.4.3-11.el7_4.1.i686.rpm SHA-256: 4b63aff2cb502a2edc13551e20732726e9d324c136b93dd94742eb7571f722ba
libssh2-debuginfo-1.4.3-11.el7_4.1.i686.rpm SHA-256: 4b63aff2cb502a2edc13551e20732726e9d324c136b93dd94742eb7571f722ba
libssh2-debuginfo-1.4.3-11.el7_4.1.x86_64.rpm SHA-256: c90961684d6268e6545a0b43a6af9c6a7e37e46ae4bf729ac3e946dc0b4d047d
libssh2-debuginfo-1.4.3-11.el7_4.1.x86_64.rpm SHA-256: c90961684d6268e6545a0b43a6af9c6a7e37e46ae4bf729ac3e946dc0b4d047d
libssh2-devel-1.4.3-11.el7_4.1.i686.rpm SHA-256: 76a233dd1224e1c00e94f36b40dbe8e16a27b6d4fd4dc933c2d4a14c257296e0
libssh2-devel-1.4.3-11.el7_4.1.x86_64.rpm SHA-256: f9290e12e1fbc5ecc91af2e5d3b6e81ca757988eb39e3501f2cc08e7376ceea1
libssh2-docs-1.4.3-11.el7_4.1.noarch.rpm SHA-256: 4690e3c7b789e1b34f27d35362516c2aaba86d1ee7d75b81de19e0db8f523663

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