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AmazonALAS-2023-1841

HistorySep 27, 2023 - 10:15 p.m.

Medium: libxml2

2023-09-2722:15:00

alas.aws.amazon.com

xml buffer overflow

denial of service

update required

red hat advisory

mitre advisory

unix platform

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0005 Low

EPSS

Percentile

16.0%

JSON

Issue Overview:

Xmlsoft Libxml2 v2.11.0 was discovered to contain a global buffer overflow via the xmlSAX2StartElement() function at /libxml2/SAX2.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted XML file. (CVE-2023-39615)

Affected Packages:

libxml2

Issue Correction:
Run yum update libxml2 to update your system.

New Packages:

i686:  
    libxml2-devel-2.9.1-6.6.43.amzn1.i686  
    libxml2-2.9.1-6.6.43.amzn1.i686  
    libxml2-debuginfo-2.9.1-6.6.43.amzn1.i686  
    libxml2-static-2.9.1-6.6.43.amzn1.i686  
    libxml2-python27-2.9.1-6.6.43.amzn1.i686  
    libxml2-python26-2.9.1-6.6.43.amzn1.i686  
  
src:  
    libxml2-2.9.1-6.6.43.amzn1.src  
  
x86_64:  
    libxml2-python26-2.9.1-6.6.43.amzn1.x86_64  
    libxml2-2.9.1-6.6.43.amzn1.x86_64  
    libxml2-debuginfo-2.9.1-6.6.43.amzn1.x86_64  
    libxml2-python27-2.9.1-6.6.43.amzn1.x86_64  
    libxml2-static-2.9.1-6.6.43.amzn1.x86_64  
    libxml2-devel-2.9.1-6.6.43.amzn1.x86_64

Additional References

Red Hat: CVE-2023-39615

Mitre: CVE-2023-39615

OSVersionArchitecturePackageVersionFilename
Amazon Linux1i686libxml2-devel< 2.9.1-6.6.43.amzn1libxml2-devel-2.9.1-6.6.43.amzn1.i686.rpm
Amazon Linux1i686libxml2< 2.9.1-6.6.43.amzn1libxml2-2.9.1-6.6.43.amzn1.i686.rpm
Amazon Linux1i686libxml2-debuginfo< 2.9.1-6.6.43.amzn1libxml2-debuginfo-2.9.1-6.6.43.amzn1.i686.rpm
Amazon Linux1i686libxml2-static< 2.9.1-6.6.43.amzn1libxml2-static-2.9.1-6.6.43.amzn1.i686.rpm
Amazon Linux1i686libxml2-python27< 2.9.1-6.6.43.amzn1libxml2-python27-2.9.1-6.6.43.amzn1.i686.rpm
Amazon Linux1i686libxml2-python26< 2.9.1-6.6.43.amzn1libxml2-python26-2.9.1-6.6.43.amzn1.i686.rpm
Amazon Linux1x86_64libxml2-python26< 2.9.1-6.6.43.amzn1libxml2-python26-2.9.1-6.6.43.amzn1.x86_64.rpm
Amazon Linux1x86_64libxml2< 2.9.1-6.6.43.amzn1libxml2-2.9.1-6.6.43.amzn1.x86_64.rpm
Amazon Linux1x86_64libxml2-debuginfo< 2.9.1-6.6.43.amzn1libxml2-debuginfo-2.9.1-6.6.43.amzn1.x86_64.rpm
Amazon Linux1x86_64libxml2-python27< 2.9.1-6.6.43.amzn1libxml2-python27-2.9.1-6.6.43.amzn1.x86_64.rpm

OS	Version	Architecture	Package	Version	Filename
Amazon Linux	1	i686	libxml2-devel	< 2.9.1-6.6.43.amzn1	libxml2-devel-2.9.1-6.6.43.amzn1.i686.rpm
Amazon Linux	1	i686	libxml2	< 2.9.1-6.6.43.amzn1	libxml2-2.9.1-6.6.43.amzn1.i686.rpm
Amazon Linux	1	i686	libxml2-debuginfo	< 2.9.1-6.6.43.amzn1	libxml2-debuginfo-2.9.1-6.6.43.amzn1.i686.rpm
Amazon Linux	1	i686	libxml2-static	< 2.9.1-6.6.43.amzn1	libxml2-static-2.9.1-6.6.43.amzn1.i686.rpm
Amazon Linux	1	i686	libxml2-python27	< 2.9.1-6.6.43.amzn1	libxml2-python27-2.9.1-6.6.43.amzn1.i686.rpm
Amazon Linux	1	i686	libxml2-python26	< 2.9.1-6.6.43.amzn1	libxml2-python26-2.9.1-6.6.43.amzn1.i686.rpm
Amazon Linux	1	x86_64	libxml2-python26	< 2.9.1-6.6.43.amzn1	libxml2-python26-2.9.1-6.6.43.amzn1.x86_64.rpm
Amazon Linux	1	x86_64	libxml2	< 2.9.1-6.6.43.amzn1	libxml2-2.9.1-6.6.43.amzn1.x86_64.rpm
Amazon Linux	1	x86_64	libxml2-debuginfo	< 2.9.1-6.6.43.amzn1	libxml2-debuginfo-2.9.1-6.6.43.amzn1.x86_64.rpm
Amazon Linux	1	x86_64	libxml2-python27	< 2.9.1-6.6.43.amzn1	libxml2-python27-2.9.1-6.6.43.amzn1.x86_64.rpm