RedHat: RHSA-2019-4326:01 Important: fribidi security update
Summary
A library to handle bidirectional scripts (for example Hebrew, Arabic), so
that the display is done in the proper way, while the text data itself is
always written in logical order.
Security Fix(es):
* fribidi: buffer overflow in fribidi_get_par_embedding_levels_ex() in
lib/fribidi-bidi.c leading to denial of service and possible code execution
(CVE-2019-18397)
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.
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-2019-18397 https://access.redhat.com/security/updates/classification/#important
Package List
Red Hat Enterprise Linux Client (v. 7):
Source:
fribidi-1.0.2-1.el7_7.1.src.rpm
x86_64:
fribidi-1.0.2-1.el7_7.1.i686.rpm
fribidi-1.0.2-1.el7_7.1.x86_64.rpm
fribidi-debuginfo-1.0.2-1.el7_7.1.i686.rpm
fribidi-debuginfo-1.0.2-1.el7_7.1.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64:
fribidi-debuginfo-1.0.2-1.el7_7.1.i686.rpm
fribidi-debuginfo-1.0.2-1.el7_7.1.x86_64.rpm
fribidi-devel-1.0.2-1.el7_7.1.i686.rpm
fribidi-devel-1.0.2-1.el7_7.1.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
fribidi-1.0.2-1.el7_7.1.src.rpm
x86_64:
fribidi-1.0.2-1.el7_7.1.i686.rpm
fribidi-1.0.2-1.el7_7.1.x86_64.rpm
fribidi-debuginfo-1.0.2-1.el7_7.1.i686.rpm
fribidi-debuginfo-1.0.2-1.el7_7.1.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64:
fribidi-debuginfo-1.0.2-1.el7_7.1.i686.rpm
fribidi-debuginfo-1.0.2-1.el7_7.1.x86_64.rpm
fribidi-devel-1.0.2-1.el7_7.1.i686.rpm
fribidi-devel-1.0.2-1.el7_7.1.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
fribidi-1.0.2-1.el7_7.1.src.rpm
ppc64:
fribidi-1.0.2-1.el7_7.1.ppc.rpm
fribidi-1.0.2-1.el7_7.1.ppc64.rpm
fribidi-debuginfo-1.0.2-1.el7_7.1.ppc.rpm
fribidi-debuginfo-1.0.2-1.el7_7.1.ppc64.rpm
fribidi-devel-1.0.2-1.el7_7.1.ppc.rpm
fribidi-devel-1.0.2-1.el7_7.1.ppc64.rpm
ppc64le:
fribidi-1.0.2-1.el7_7.1.ppc64le.rpm
fribidi-debuginfo-1.0.2-1.el7_7.1.ppc64le.rpm
fribidi-devel-1.0.2-1.el7_7.1.ppc64le.rpm
s390x:
fribidi-1.0.2-1.el7_7.1.s390.rpm
fribidi-1.0.2-1.el7_7.1.s390x.rpm
fribidi-debuginfo-1.0.2-1.el7_7.1.s390.rpm
fribidi-debuginfo-1.0.2-1.el7_7.1.s390x.rpm
fribidi-devel-1.0.2-1.el7_7.1.s390.rpm
fribidi-devel-1.0.2-1.el7_7.1.s390x.rpm
x86_64:
fribidi-1.0.2-1.el7_7.1.i686.rpm
fribidi-1.0.2-1.el7_7.1.x86_64.rpm
fribidi-debuginfo-1.0.2-1.el7_7.1.i686.rpm
fribidi-debuginfo-1.0.2-1.el7_7.1.x86_64.rpm
fribidi-devel-1.0.2-1.el7_7.1.i686.rpm
fribidi-devel-1.0.2-1.el7_7.1.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
fribidi-1.0.2-1.el7_7.1.src.rpm
x86_64:
fribidi-1.0.2-1.el7_7.1.i686.rpm
fribidi-1.0.2-1.el7_7.1.x86_64.rpm
fribidi-debuginfo-1.0.2-1.el7_7.1.i686.rpm
fribidi-debuginfo-1.0.2-1.el7_7.1.x86_64.rpm
fribidi-devel-1.0.2-1.el7_7.1.i686.rpm
fribidi-devel-1.0.2-1.el7_7.1.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/
Topic
An update for fribidi is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the 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 Workstation (v. 7) - x86_64
Bugs Fixed
1768750 - CVE-2019-18397 fribidi: buffer overflow in fribidi_get_par_embedding_levels_ex() in lib/fribidi-bidi.c leading to denial of service and possible code execution