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AmazonALAS2-2020-1400

HistoryMar 02, 2020 - 11:45 p.m.

Important: ppp

2020-03-0223:45:00

alas.aws.amazon.com

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.9 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.16 Low

EPSS

Percentile

95.9%

JSON

Issue Overview:

eap.c in pppd in ppp 2.4.2 through 2.4.8 has an rhostname buffer overflow in the eap_request and eap_response functions. (CVE-2020-8597)

Affected Packages:

ppp

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update ppp to update your system.

New Packages:

aarch64:  
    ppp-2.4.5-33.amzn2.0.3.aarch64  
    ppp-devel-2.4.5-33.amzn2.0.3.aarch64  
    ppp-debuginfo-2.4.5-33.amzn2.0.3.aarch64  
  
i686:  
    ppp-2.4.5-33.amzn2.0.3.i686  
    ppp-devel-2.4.5-33.amzn2.0.3.i686  
    ppp-debuginfo-2.4.5-33.amzn2.0.3.i686  
  
src:  
    ppp-2.4.5-33.amzn2.0.3.src  
  
x86_64:  
    ppp-2.4.5-33.amzn2.0.3.x86_64  
    ppp-devel-2.4.5-33.amzn2.0.3.x86_64  
    ppp-debuginfo-2.4.5-33.amzn2.0.3.x86_64

Additional References

Red Hat: CVE-2020-8597

Mitre: CVE-2020-8597

OSVersionArchitecturePackageVersionFilename
Amazon Linux2aarch64ppp< 2.4.5-33.amzn2.0.3ppp-2.4.5-33.amzn2.0.3.aarch64.rpm
Amazon Linux2aarch64ppp-devel< 2.4.5-33.amzn2.0.3ppp-devel-2.4.5-33.amzn2.0.3.aarch64.rpm
Amazon Linux2aarch64ppp-debuginfo< 2.4.5-33.amzn2.0.3ppp-debuginfo-2.4.5-33.amzn2.0.3.aarch64.rpm
Amazon Linux2i686ppp< 2.4.5-33.amzn2.0.3ppp-2.4.5-33.amzn2.0.3.i686.rpm
Amazon Linux2i686ppp-devel< 2.4.5-33.amzn2.0.3ppp-devel-2.4.5-33.amzn2.0.3.i686.rpm
Amazon Linux2i686ppp-debuginfo< 2.4.5-33.amzn2.0.3ppp-debuginfo-2.4.5-33.amzn2.0.3.i686.rpm
Amazon Linux2x86_64ppp< 2.4.5-33.amzn2.0.3ppp-2.4.5-33.amzn2.0.3.x86_64.rpm
Amazon Linux2x86_64ppp-devel< 2.4.5-33.amzn2.0.3ppp-devel-2.4.5-33.amzn2.0.3.x86_64.rpm
Amazon Linux2x86_64ppp-debuginfo< 2.4.5-33.amzn2.0.3ppp-debuginfo-2.4.5-33.amzn2.0.3.x86_64.rpm

OS	Version	Architecture	Package	Version	Filename
Amazon Linux	2	aarch64	ppp	< 2.4.5-33.amzn2.0.3	ppp-2.4.5-33.amzn2.0.3.aarch64.rpm
Amazon Linux	2	aarch64	ppp-devel	< 2.4.5-33.amzn2.0.3	ppp-devel-2.4.5-33.amzn2.0.3.aarch64.rpm
Amazon Linux	2	aarch64	ppp-debuginfo	< 2.4.5-33.amzn2.0.3	ppp-debuginfo-2.4.5-33.amzn2.0.3.aarch64.rpm
Amazon Linux	2	i686	ppp	< 2.4.5-33.amzn2.0.3	ppp-2.4.5-33.amzn2.0.3.i686.rpm
Amazon Linux	2	i686	ppp-devel	< 2.4.5-33.amzn2.0.3	ppp-devel-2.4.5-33.amzn2.0.3.i686.rpm
Amazon Linux	2	i686	ppp-debuginfo	< 2.4.5-33.amzn2.0.3	ppp-debuginfo-2.4.5-33.amzn2.0.3.i686.rpm
Amazon Linux	2	x86_64	ppp	< 2.4.5-33.amzn2.0.3	ppp-2.4.5-33.amzn2.0.3.x86_64.rpm
Amazon Linux	2	x86_64	ppp-devel	< 2.4.5-33.amzn2.0.3	ppp-devel-2.4.5-33.amzn2.0.3.x86_64.rpm
Amazon Linux	2	x86_64	ppp-debuginfo	< 2.4.5-33.amzn2.0.3	ppp-debuginfo-2.4.5-33.amzn2.0.3.x86_64.rpm