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====================================================================                   Red Hat Security Advisory

Synopsis:          Moderate: bash security update
Advisory ID:       RHSA-2020:1113-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:1113
Issue date:        2020-03-31
CVE Names:         CVE-2019-9924 
====================================================================
1. Summary:

An update for bash is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

The bash packages provide Bash (Bourne-again shell), which is the default
shell for Red Hat Enterprise Linux.

Security Fix(es):

* bash: BASH_CMD is writable in restricted bash shells (CVE-2019-9924)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.8 Release Notes linked from 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

5. Bugs fixed (https://bugzilla.redhat.com/):

1691774 - CVE-2019-9924 bash: BASH_CMD is writable in restricted bash shells

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
bash-4.2.46-34.el7.src.rpm

x86_64:
bash-4.2.46-34.el7.x86_64.rpm
bash-debuginfo-4.2.46-34.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
bash-debuginfo-4.2.46-34.el7.x86_64.rpm
bash-doc-4.2.46-34.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
bash-4.2.46-34.el7.src.rpm

x86_64:
bash-4.2.46-34.el7.x86_64.rpm
bash-debuginfo-4.2.46-34.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64:
bash-debuginfo-4.2.46-34.el7.x86_64.rpm
bash-doc-4.2.46-34.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
bash-4.2.46-34.el7.src.rpm

ppc64:
bash-4.2.46-34.el7.ppc64.rpm
bash-debuginfo-4.2.46-34.el7.ppc64.rpm

ppc64le:
bash-4.2.46-34.el7.ppc64le.rpm
bash-debuginfo-4.2.46-34.el7.ppc64le.rpm

s390x:
bash-4.2.46-34.el7.s390x.rpm
bash-debuginfo-4.2.46-34.el7.s390x.rpm

x86_64:
bash-4.2.46-34.el7.x86_64.rpm
bash-debuginfo-4.2.46-34.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
bash-debuginfo-4.2.46-34.el7.ppc64.rpm
bash-doc-4.2.46-34.el7.ppc64.rpm

ppc64le:
bash-debuginfo-4.2.46-34.el7.ppc64le.rpm
bash-doc-4.2.46-34.el7.ppc64le.rpm

s390x:
bash-debuginfo-4.2.46-34.el7.s390x.rpm
bash-doc-4.2.46-34.el7.s390x.rpm

x86_64:
bash-debuginfo-4.2.46-34.el7.x86_64.rpm
bash-doc-4.2.46-34.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
bash-4.2.46-34.el7.src.rpm

x86_64:
bash-4.2.46-34.el7.x86_64.rpm
bash-debuginfo-4.2.46-34.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
bash-debuginfo-4.2.46-34.el7.x86_64.rpm
bash-doc-4.2.46-34.el7.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-2019-9924
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.8_release_notes/index

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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RedHat: RHSA-2020-1113:01 Moderate: bash security update

An update for bash is now available for Red Hat Enterprise Linux 7

Summary

The bash packages provide Bash (Bourne-again shell), which is the default shell for Red Hat Enterprise Linux.
Security Fix(es):
* bash: BASH_CMD is writable in restricted bash shells (CVE-2019-9924)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.8 Release Notes linked from the References section.



Summary


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

References

https://access.redhat.com/security/cve/CVE-2019-9924 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.8_release_notes/index

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: bash-4.2.46-34.el7.src.rpm
x86_64: bash-4.2.46-34.el7.x86_64.rpm bash-debuginfo-4.2.46-34.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: bash-debuginfo-4.2.46-34.el7.x86_64.rpm bash-doc-4.2.46-34.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: bash-4.2.46-34.el7.src.rpm
x86_64: bash-4.2.46-34.el7.x86_64.rpm bash-debuginfo-4.2.46-34.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64: bash-debuginfo-4.2.46-34.el7.x86_64.rpm bash-doc-4.2.46-34.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: bash-4.2.46-34.el7.src.rpm
ppc64: bash-4.2.46-34.el7.ppc64.rpm bash-debuginfo-4.2.46-34.el7.ppc64.rpm
ppc64le: bash-4.2.46-34.el7.ppc64le.rpm bash-debuginfo-4.2.46-34.el7.ppc64le.rpm
s390x: bash-4.2.46-34.el7.s390x.rpm bash-debuginfo-4.2.46-34.el7.s390x.rpm
x86_64: bash-4.2.46-34.el7.x86_64.rpm bash-debuginfo-4.2.46-34.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64: bash-debuginfo-4.2.46-34.el7.ppc64.rpm bash-doc-4.2.46-34.el7.ppc64.rpm
ppc64le: bash-debuginfo-4.2.46-34.el7.ppc64le.rpm bash-doc-4.2.46-34.el7.ppc64le.rpm
s390x: bash-debuginfo-4.2.46-34.el7.s390x.rpm bash-doc-4.2.46-34.el7.s390x.rpm
x86_64: bash-debuginfo-4.2.46-34.el7.x86_64.rpm bash-doc-4.2.46-34.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: bash-4.2.46-34.el7.src.rpm
x86_64: bash-4.2.46-34.el7.x86_64.rpm bash-debuginfo-4.2.46-34.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64: bash-debuginfo-4.2.46-34.el7.x86_64.rpm bash-doc-4.2.46-34.el7.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/


Severity
Advisory ID: RHSA-2020:1113-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1113
Issued Date: : 2020-03-31
CVE Names: CVE-2019-9924

Topic

An update for bash is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.


Topic


 

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64

Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64


Bugs Fixed

1691774 - CVE-2019-9924 bash: BASH_CMD is writable in restricted bash shells


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