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Sicherheit: Pufferüberlauf in ppp
Aktuelle Meldungen Distributionen
Name: Pufferüberlauf in ppp
ID: RHSA-2020:0633-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux
Datum: Do, 27. Februar 2020, 17:57
Referenzen: https://access.redhat.com/security/cve/CVE-2020-8597
Applikationen: ppp

Originalnachricht

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

Synopsis: Important: ppp security update
Advisory ID: RHSA-2020:0633-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0633
Issue date: 2020-02-27
CVE Names: CVE-2020-8597
=====================================================================

1. Summary:

An update for ppp is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Important. 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 CodeReady Linux Builder (v. 8) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux AppStream (v. 8) - s390x
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

3. Description:

The ppp packages contain the Point-to-Point Protocol (PPP) daemon and
documentation for PPP support. The PPP protocol provides a method for
transmitting datagrams over serial point-to-point links. PPP is usually
used to dial in to an Internet Service Provider (ISP) or other organization
over a modem and phone line.

Security Fix(es):

* ppp: Buffer overflow in the eap_request and eap_response functions in
eap.c (CVE-2020-8597)

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.

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/):

1800727 - CVE-2020-8597 ppp: Buffer overflow in the eap_request and
eap_response functions in eap.c

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

s390x:
network-scripts-ppp-2.4.7-26.el8_1.s390x.rpm
ppp-debuginfo-2.4.7-26.el8_1.s390x.rpm
ppp-debugsource-2.4.7-26.el8_1.s390x.rpm

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
ppp-2.4.7-26.el8_1.src.rpm

aarch64:
ppp-2.4.7-26.el8_1.aarch64.rpm
ppp-debuginfo-2.4.7-26.el8_1.aarch64.rpm
ppp-debugsource-2.4.7-26.el8_1.aarch64.rpm

ppc64le:
ppp-2.4.7-26.el8_1.ppc64le.rpm
ppp-debuginfo-2.4.7-26.el8_1.ppc64le.rpm
ppp-debugsource-2.4.7-26.el8_1.ppc64le.rpm

s390x:
ppp-2.4.7-26.el8_1.s390x.rpm
ppp-debuginfo-2.4.7-26.el8_1.s390x.rpm
ppp-debugsource-2.4.7-26.el8_1.s390x.rpm

x86_64:
ppp-2.4.7-26.el8_1.x86_64.rpm
ppp-debuginfo-2.4.7-26.el8_1.x86_64.rpm
ppp-debugsource-2.4.7-26.el8_1.x86_64.rpm

Red Hat CodeReady Linux Builder (v. 8):

aarch64:
ppp-debuginfo-2.4.7-26.el8_1.aarch64.rpm
ppp-debugsource-2.4.7-26.el8_1.aarch64.rpm
ppp-devel-2.4.7-26.el8_1.aarch64.rpm

ppc64le:
ppp-debuginfo-2.4.7-26.el8_1.ppc64le.rpm
ppp-debugsource-2.4.7-26.el8_1.ppc64le.rpm
ppp-devel-2.4.7-26.el8_1.ppc64le.rpm

s390x:
ppp-debuginfo-2.4.7-26.el8_1.s390x.rpm
ppp-debugsource-2.4.7-26.el8_1.s390x.rpm
ppp-devel-2.4.7-26.el8_1.s390x.rpm

x86_64:
ppp-2.4.7-26.el8_1.i686.rpm
ppp-debuginfo-2.4.7-26.el8_1.i686.rpm
ppp-debuginfo-2.4.7-26.el8_1.x86_64.rpm
ppp-debugsource-2.4.7-26.el8_1.i686.rpm
ppp-debugsource-2.4.7-26.el8_1.x86_64.rpm
ppp-devel-2.4.7-26.el8_1.i686.rpm
ppp-devel-2.4.7-26.el8_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/

7. References:

https://access.redhat.com/security/cve/CVE-2020-8597
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2020 Red Hat, Inc.
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