drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Zwei Probleme in expat
Name: |
Zwei Probleme in expat |
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ID: |
RHSA-2020:4484-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mi, 4. November 2020, 23:53 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2019-15903
https://access.redhat.com/security/cve/CVE-2018-20843 |
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Applikationen: |
expat |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Moderate: expat security update Advisory ID: RHSA-2020:4484-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:4484 Issue date: 2020-11-03 CVE Names: CVE-2018-20843 CVE-2019-15903 =====================================================================
1. Summary:
An update for expat is now available for Red Hat Enterprise Linux 8.
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 BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64
3. Description:
Expat is a C library for parsing XML documents.
Security Fix(es):
* expat: large number of colons in input makes parser consume high amount of resources, leading to DoS (CVE-2018-20843)
* expat: heap-based buffer over-read via crafted XML input (CVE-2019-15903)
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 8.3 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
After installing the updated packages, applications using the Expat library must be restarted for the update to take effect.
5. Bugs fixed (https://bugzilla.redhat.com/):
1723723 - CVE-2018-20843 expat: large number of colons in input makes parser consume high amount of resources, leading to DoS 1752592 - CVE-2019-15903 expat: heap-based buffer over-read via crafted XML input
6. Package List:
Red Hat Enterprise Linux BaseOS (v. 8):
Source: expat-2.2.5-4.el8.src.rpm
aarch64: expat-2.2.5-4.el8.aarch64.rpm expat-debuginfo-2.2.5-4.el8.aarch64.rpm expat-debugsource-2.2.5-4.el8.aarch64.rpm expat-devel-2.2.5-4.el8.aarch64.rpm
ppc64le: expat-2.2.5-4.el8.ppc64le.rpm expat-debuginfo-2.2.5-4.el8.ppc64le.rpm expat-debugsource-2.2.5-4.el8.ppc64le.rpm expat-devel-2.2.5-4.el8.ppc64le.rpm
s390x: expat-2.2.5-4.el8.s390x.rpm expat-debuginfo-2.2.5-4.el8.s390x.rpm expat-debugsource-2.2.5-4.el8.s390x.rpm expat-devel-2.2.5-4.el8.s390x.rpm
x86_64: expat-2.2.5-4.el8.i686.rpm expat-2.2.5-4.el8.x86_64.rpm expat-debuginfo-2.2.5-4.el8.i686.rpm expat-debuginfo-2.2.5-4.el8.x86_64.rpm expat-debugsource-2.2.5-4.el8.i686.rpm expat-debugsource-2.2.5-4.el8.x86_64.rpm expat-devel-2.2.5-4.el8.i686.rpm expat-devel-2.2.5-4.el8.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-2018-20843 https://access.redhat.com/security/cve/CVE-2019-15903 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/
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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