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RedHat: RHSA-2020-0633-01 Important: PPP Buffer Overflow Risk

red hat
Calendar Grey February 27, 2020
Dist Redhat Esm H88
Upgrade Red Hat Enterprise Linux 8 with a crucial ppp enhancement focusing on countering security vulnerabilities and rectifying buffer overflow issues.
An update for ppp is now available for Red Hat Enterprise Linux 8

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 security issue Red Hat update buffer overflow Important 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 (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

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

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

Topic

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 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 security issue Red Hat update buffer overflow Important ppp

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

Bugs Fixed

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

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