drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Pufferüberlauf in tcpdump
Name: |
Pufferüberlauf in tcpdump |
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ID: |
RHSA-2020:1604-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Di, 28. April 2020, 23:50 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2018-19519 |
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Applikationen: |
tcpdump |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Low: tcpdump security update Advisory ID: RHSA-2020:1604-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:1604 Issue date: 2020-04-28 CVE Names: CVE-2018-19519 =====================================================================
1. Summary:
An update for tcpdump is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Low. 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 AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64
3. Description:
The tcpdump packages contain the tcpdump utility for monitoring network traffic. The tcpdump utility can capture and display the packet headers on a particular network interface or on all interfaces.
Security Fix(es):
* tcpdump: Stack-based buffer over-read in print-hncp.c:print_prefix() via crafted pcap (CVE-2018-19519)
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 8.2 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/):
1655374 - CVE-2018-19519 tcpdump: Stack-based buffer over-read in print-hncp.c:print_prefix() via crafted pcap 1715423 - tcpdump %pre creates user and groups unconditionally, raising alerts in corporate environment
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source: tcpdump-4.9.2-6.el8.src.rpm
aarch64: tcpdump-4.9.2-6.el8.aarch64.rpm tcpdump-debuginfo-4.9.2-6.el8.aarch64.rpm tcpdump-debugsource-4.9.2-6.el8.aarch64.rpm
ppc64le: tcpdump-4.9.2-6.el8.ppc64le.rpm tcpdump-debuginfo-4.9.2-6.el8.ppc64le.rpm tcpdump-debugsource-4.9.2-6.el8.ppc64le.rpm
s390x: tcpdump-4.9.2-6.el8.s390x.rpm tcpdump-debuginfo-4.9.2-6.el8.s390x.rpm tcpdump-debugsource-4.9.2-6.el8.s390x.rpm
x86_64: tcpdump-4.9.2-6.el8.x86_64.rpm tcpdump-debuginfo-4.9.2-6.el8.x86_64.rpm tcpdump-debugsource-4.9.2-6.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-2018-19519 https://access.redhat.com/security/updates/classification/#low https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.2_release_notes/index
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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