Synopsis

Critical: python-paramiko security update

Type/Severity

Security Advisory: Critical

Topic

An update for python-paramiko is now available for Red Hat Enterprise Linux 6.4 Advanced Update Support, Red Hat Enterprise Linux 6.5 Advanced Update Support, Red Hat Enterprise Linux 6.6 Advanced Update Support, Red Hat Enterprise Linux 6.6 Telco Extended Update Support, and Red Hat Enterprise Linux 6.7 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Critical. 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 python-paramiko package provides a Python module that implements the SSH2 protocol for encrypted and authenticated connections to remote machines. Unlike SSL, the SSH2 protocol does not require hierarchical certificates signed by a powerful central authority. The protocol also includes the ability to open arbitrary channels to remote services across an encrypted tunnel.

Security Fix(es):

• python-paramiko: Authentication bypass in transport.py (CVE-2018-7750)
  

For more details about the security issue(s), including the impact, a CVSS score, 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

Affected Products

• Red Hat Enterprise Linux Server - Extended Update Support 6.7 x86_64
• Red Hat Enterprise Linux Server - Extended Update Support 6.7 i386
• Red Hat Enterprise Linux EUS Compute Node 6.7 x86_64
• Red Hat Enterprise Linux Server - AUS 6.6 x86_64
• Red Hat Enterprise Linux Server - AUS 6.5 x86_64
• Red Hat Enterprise Linux Server - AUS 6.4 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 6.7 s390x
• Red Hat Enterprise Linux for Power, big endian - Extended Update Support 6.7 ppc64
• Red Hat Enterprise Linux Server - TUS 6.6 x86_64

Fixes

• BZ - 1557130 - CVE-2018-7750 python-paramiko: Authentication bypass in transport.py

CVEs

• CVE-2018-7750

References

• https://access.redhat.com/security/updates/classification/#critical

Red Hat Enterprise Linux Server - Extended Update Support 6.7

SRPM
python-paramiko-1.7.5-4.el6_7.src.rpm	SHA-256: 14a708b3499b59b67e1bc844193d6dda536435b178e87b87d24c133e50cf69ff
x86_64
python-paramiko-1.7.5-4.el6_7.noarch.rpm	SHA-256: 3eee807868a8897f96f324d61e888db8d7cac8408bd3b769ee82d4dba6a8172d
i386
python-paramiko-1.7.5-4.el6_7.noarch.rpm	SHA-256: 3eee807868a8897f96f324d61e888db8d7cac8408bd3b769ee82d4dba6a8172d

Red Hat Enterprise Linux Server - AUS 6.6

SRPM
python-paramiko-1.7.5-4.el6_6.src.rpm	SHA-256: 9beed75f4a17eb49e26ef1f9d24b987a1994c82714bfc13191a4127e2461fcaa
x86_64
python-paramiko-1.7.5-4.el6_6.noarch.rpm	SHA-256: 4f765c7f91bcde9ab7e860c58c000963a8bbadaa5b67c14bb3132051b82c7e4d

Red Hat Enterprise Linux Server - AUS 6.5

SRPM
python-paramiko-1.7.5-4.el6_5.src.rpm	SHA-256: 88945deeefbe6804c4bdc8490661a69be4160dc890916f24e8574aba0bb4fe23
x86_64
python-paramiko-1.7.5-4.el6_5.noarch.rpm	SHA-256: f317f2a27b72a92aec8bc85bf0ba6758455ca3559ea41ce83eface3bc99ab073

Red Hat Enterprise Linux Server - AUS 6.4

SRPM
python-paramiko-1.7.5-4.el6_4.src.rpm	SHA-256: 56d8f441a41f4e8ce3ed18a5336d853336f3b754a88fbaf78aefb7ee0081e224
x86_64
python-paramiko-1.7.5-4.el6_4.noarch.rpm	SHA-256: 2baf772fc7c8e5f18ef01114736c40a0dc47d5fe0ad10528eeebf9dc23955037

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 6.7

SRPM
python-paramiko-1.7.5-4.el6_7.src.rpm	SHA-256: 14a708b3499b59b67e1bc844193d6dda536435b178e87b87d24c133e50cf69ff
s390x
python-paramiko-1.7.5-4.el6_7.noarch.rpm	SHA-256: 3eee807868a8897f96f324d61e888db8d7cac8408bd3b769ee82d4dba6a8172d

Red Hat Enterprise Linux for Power, big endian - Extended Update Support 6.7

SRPM
python-paramiko-1.7.5-4.el6_7.src.rpm	SHA-256: 14a708b3499b59b67e1bc844193d6dda536435b178e87b87d24c133e50cf69ff
ppc64
python-paramiko-1.7.5-4.el6_7.noarch.rpm	SHA-256: 3eee807868a8897f96f324d61e888db8d7cac8408bd3b769ee82d4dba6a8172d

Red Hat Enterprise Linux EUS Compute Node 6.7

SRPM
python-paramiko-1.7.5-4.el6_7.src.rpm	SHA-256: 14a708b3499b59b67e1bc844193d6dda536435b178e87b87d24c133e50cf69ff
x86_64
python-paramiko-1.7.5-4.el6_7.noarch.rpm	SHA-256: 3eee807868a8897f96f324d61e888db8d7cac8408bd3b769ee82d4dba6a8172d

Red Hat Enterprise Linux Server - TUS 6.6

SRPM
python-paramiko-1.7.5-4.el6_6.src.rpm	SHA-256: 9beed75f4a17eb49e26ef1f9d24b987a1994c82714bfc13191a4127e2461fcaa
x86_64
python-paramiko-1.7.5-4.el6_6.noarch.rpm	SHA-256: 4f765c7f91bcde9ab7e860c58c000963a8bbadaa5b67c14bb3132051b82c7e4d