drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in libssh2
Name: |
Mehrere Probleme in libssh2 |
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ID: |
RHSA-2019:1943-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Di, 30. Juli 2019, 14:58 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2019-3863
https://access.redhat.com/security/cve/CVE-2019-3855
https://access.redhat.com/security/cve/CVE-2019-3856
https://access.redhat.com/security/cve/CVE-2019-3857 |
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Applikationen: |
libssh2 |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Important: libssh2 security update Advisory ID: RHSA-2019:1943-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:1943 Issue date: 2019-07-30 CVE Names: CVE-2019-3855 CVE-2019-3856 CVE-2019-3857 CVE-2019-3863 =====================================================================
1. Summary:
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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.4) - x86_64 Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4) - noarch, x86_64 Red Hat Enterprise Linux Server EUS (v. 7.4) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 7.4) - noarch, ppc64, ppc64le, s390x, x86_64
3. 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.
4. 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.
5. Bugs fixed (https://bugzilla.redhat.com/):
1687303 - CVE-2019-3855 libssh2: Integer overflow in transport read resulting in out of bounds write 1687304 - CVE-2019-3856 libssh2: Integer overflow in keyboard interactive handling resulting in out of bounds write 1687305 - CVE-2019-3857 libssh2: Integer overflow in SSH packet processing channel resulting in out of bounds write 1687313 - CVE-2019-3863 libssh2: Integer overflow in user authenticate keyboard interactive allows out-of-bounds writes
6. Package List:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.4):
Source: libssh2-1.4.3-11.el7_4.1.src.rpm
x86_64: libssh2-1.4.3-11.el7_4.1.i686.rpm libssh2-1.4.3-11.el7_4.1.x86_64.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.i686.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4):
noarch: libssh2-docs-1.4.3-11.el7_4.1.noarch.rpm
x86_64: libssh2-debuginfo-1.4.3-11.el7_4.1.i686.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.x86_64.rpm libssh2-devel-1.4.3-11.el7_4.1.i686.rpm libssh2-devel-1.4.3-11.el7_4.1.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.4):
Source: libssh2-1.4.3-11.el7_4.1.src.rpm
ppc64: libssh2-1.4.3-11.el7_4.1.ppc.rpm libssh2-1.4.3-11.el7_4.1.ppc64.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.ppc.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.ppc64.rpm
ppc64le: libssh2-1.4.3-11.el7_4.1.ppc64le.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.ppc64le.rpm
s390x: libssh2-1.4.3-11.el7_4.1.s390.rpm libssh2-1.4.3-11.el7_4.1.s390x.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.s390.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.s390x.rpm
x86_64: libssh2-1.4.3-11.el7_4.1.i686.rpm libssh2-1.4.3-11.el7_4.1.x86_64.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.i686.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.x86_64.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.4):
noarch: libssh2-docs-1.4.3-11.el7_4.1.noarch.rpm
ppc64: libssh2-debuginfo-1.4.3-11.el7_4.1.ppc.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.ppc64.rpm libssh2-devel-1.4.3-11.el7_4.1.ppc.rpm libssh2-devel-1.4.3-11.el7_4.1.ppc64.rpm
ppc64le: libssh2-debuginfo-1.4.3-11.el7_4.1.ppc64le.rpm libssh2-devel-1.4.3-11.el7_4.1.ppc64le.rpm
s390x: libssh2-debuginfo-1.4.3-11.el7_4.1.s390.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.s390x.rpm libssh2-devel-1.4.3-11.el7_4.1.s390.rpm libssh2-devel-1.4.3-11.el7_4.1.s390x.rpm
x86_64: libssh2-debuginfo-1.4.3-11.el7_4.1.i686.rpm libssh2-debuginfo-1.4.3-11.el7_4.1.x86_64.rpm libssh2-devel-1.4.3-11.el7_4.1.i686.rpm libssh2-devel-1.4.3-11.el7_4.1.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2019-3855 https://access.redhat.com/security/cve/CVE-2019-3856 https://access.redhat.com/security/cve/CVE-2019-3857 https://access.redhat.com/security/cve/CVE-2019-3863 https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
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