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amazonAmazonALAS-2023-1841
HistorySep 27, 2023 - 10:15 p.m.

Medium: libxml2

2023-09-2722:15:00
alas.aws.amazon.com
18
xml buffer overflow
denial of service
update required
red hat advisory
mitre advisory
unix platform

CVSS3

6.5

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

EPSS

0.001

Percentile

27.8%

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

CVSS3

6.5

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

EPSS

0.001

Percentile

27.8%