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RedHat: RHSA-2020-0634-01 Important: ppp Buffer Overflow Fix

red hat
Calendar Grey February 27, 2020
Dist Redhat Esm H88
A crucial patch for ppp in Red Hat Enterprise Linux 8 classified as Significant, rectifying buffer overrun vulnerabilities.
An update for ppp is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

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

Summary

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.

Topics%20covered

Topics Covered

security advisory Red Hat buffer overflow important network protocol ppp

References

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

Package List

Red Hat Enterprise Linux AppStream E4S (v. 8.0):
s390x: network-scripts-ppp-2.4.7-26.el8_0.s390x.rpm ppp-debuginfo-2.4.7-26.el8_0.s390x.rpm ppp-debugsource-2.4.7-26.el8_0.s390x.rpm
Red Hat Enterprise Linux BaseOS E4S (v. 8.0):
Source: ppp-2.4.7-26.el8_0.src.rpm
aarch64: ppp-2.4.7-26.el8_0.aarch64.rpm ppp-debuginfo-2.4.7-26.el8_0.aarch64.rpm ppp-debugsource-2.4.7-26.el8_0.aarch64.rpm
ppc64le: ppp-2.4.7-26.el8_0.ppc64le.rpm ppp-debuginfo-2.4.7-26.el8_0.ppc64le.rpm ppp-debugsource-2.4.7-26.el8_0.ppc64le.rpm
s390x: ppp-2.4.7-26.el8_0.s390x.rpm ppp-debuginfo-2.4.7-26.el8_0.s390x.rpm ppp-debugsource-2.4.7-26.el8_0.s390x.rpm
x86_64: ppp-2.4.7-26.el8_0.x86_64.rpm ppp-debuginfo-2.4.7-26.el8_0.x86_64.rpm ppp-debugsource-2.4.7-26.el8_0.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
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:0634-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0634
Issue date: 2020-02-27

Topic

An update for ppp is now available for Red Hat Enterprise Linux 8.0 UpdateServices for SAP Solutions.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.

Topics%20covered

Topics Covered

security advisory Red Hat buffer overflow important network protocol ppp

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream E4S (v. 8.0) - s390x

Red Hat Enterprise Linux BaseOS E4S (v. 8.0) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

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

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