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amazonAmazonALAS2-2023-2285
HistorySep 27, 2023 - 10:49 p.m.

Important: python-reportlab

2023-09-2722:49:00
alas.aws.amazon.com
15
python-reportlab
remote code execution
crafted xml
cve-2019-19450
update
amazon linux 2
python

7.5 High

CVSS2

Attack Vector

NETWORK

Attack 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

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

0.051 Low

EPSS

Percentile

93.0%

Issue Overview:

paraparser in ReportLab before 3.5.31 allows remote code execution because start_unichar in paraparser.py evaluates untrusted user input in a unichar element in a crafted XML document with ‘<unichar code="’ followed by arbitrary Python code, a similar issue to CVE-2019-17626. (CVE-2019-19450)

Affected Packages:

python-reportlab

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 python-reportlab to update your system.

New Packages:

aarch64:  
    python-reportlab-2.5-10.amzn2.0.1.aarch64  
    python-reportlab-docs-2.5-10.amzn2.0.1.aarch64  
    python-reportlab-debuginfo-2.5-10.amzn2.0.1.aarch64  
  
i686:  
    python-reportlab-2.5-10.amzn2.0.1.i686  
    python-reportlab-docs-2.5-10.amzn2.0.1.i686  
    python-reportlab-debuginfo-2.5-10.amzn2.0.1.i686  
  
src:  
    python-reportlab-2.5-10.amzn2.0.1.src  
  
x86_64:  
    python-reportlab-2.5-10.amzn2.0.1.x86_64  
    python-reportlab-docs-2.5-10.amzn2.0.1.x86_64  
    python-reportlab-debuginfo-2.5-10.amzn2.0.1.x86_64  

Additional References

Red Hat: CVE-2019-19450

Mitre: CVE-2019-19450

7.5 High

CVSS2

Attack Vector

NETWORK

Attack 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

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

0.051 Low

EPSS

Percentile

93.0%