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. https://github.com/MrBitBucket/reportlab-mirror/blob/master/CHANGES.md https://pastebin.com/5MicRrr4
Created python-reportlab tracking bugs for this issue: Affects: fedora-all [bug 2240153]
To exploit the issue, a malicious user has to use a crafted malicious html 'unichar' tag input and then use the reportlab's feature to generate a pdf of the document and that can lead to a remote code execution hence this CVE marked as Important impact. This vulnerability is similar to CVE-2019-17626.
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2023:5616 https://access.redhat.com/errata/RHSA-2023:5616
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Advanced Update Support Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions Red Hat Enterprise Linux 8.2 Telecommunications Update Service Via RHSA-2023:5788 https://access.redhat.com/errata/RHSA-2023:5788
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions Via RHSA-2023:5789 https://access.redhat.com/errata/RHSA-2023:5789
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions Red Hat Enterprise Linux 8.4 Telecommunications Update Service Via RHSA-2023:5787 https://access.redhat.com/errata/RHSA-2023:5787
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2023:5790 https://access.redhat.com/errata/RHSA-2023:5790
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.6 Extended Update Support Via RHSA-2023:5786 https://access.redhat.com/errata/RHSA-2023:5786