Vulnerability in Python could allow a remote attacker to obtain sensitive information (CVE-2024-28757). Python is used by AIX as part of Ansible node management automation.
CVEID:CVE-2024-28757
**DESCRIPTION:**libexpat could allow a remote attacker to obtain sensitive information, caused by improper handling of XML external entity (XXE) declarations by the XML_ExternalEntityParserCreate function. By using a specially crafted XML content, a remote attacker could exploit this vulnerability to obtain sensitive information, and use this information to launch further attacks against the affected system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/285604 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
Affected Product(s) | Version(s) |
---|---|
AIX | 7.3 |
VIOS | 4.1 |
The following fileset levels are vulnerable:
Fileset | Lower Level | Upper Level |
---|---|---|
python3.9.base | 3.9.0.0 | 3.9.18.2 |
Note:
A. Latest level of Python fileset is available from the web download site:
<https://www.ibm.com/resources/mrs/assets?source=aixbp>
To find out whether the affected filesets are installed on your systems, refer to the lslpp command found in the AIX user’s guide.
Example: lslpp -L | grep -i python3.9.base
FIXES
IBM strongly recommends addressing the vulnerability now.
A fix is available, and it can be downloaded from:
<https://www.ibm.com/resources/mrs/assets?source=aixbp>
To extract the fixes from the tar file:
zcat python-3.9.18.3.tar.Z | tar xvf -
IMPORTANT: If possible, it is recommended that a mksysb backup of the system be created. Verify it is both bootable and readable before proceeding.
Note that all the previously reported security vulnerability fixes are also included in above mentioned fileset level.
To preview the fix installation:
installp -apYd . python3.9.base
To install the fix package:
installp -aXYd . python3.9.base
openssl dgst -sha256 -verify [pubkey_file] -signature [advisory_file].sig [advisory_file]
openssl dgst -sha256 -verify [pubkey_file] -signature [ifix_file].sig [ifix_file]
Published advisory OpenSSL signature file location:
<https://aix.software.ibm.com/aix/efixes/security/python_advisory9.asc.sig>
None
Vendor | Product | Version | CPE |
---|---|---|---|
ibm | aix | 7.3 | cpe:2.3:o:ibm:aix:7.3:*:*:*:*:*:*:* |
ibm | powervm_virtual_i\/o_server | 4.1 | cpe:2.3:a:ibm:powervm_virtual_i\/o_server:4.1:*:*:*:*:*:*:* |