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9.8
python-templated-dictionary may allow code execution as root
published 29 days ago
Summary
The python-templated-dictionary package used by the Mock build tool expands configuration text using a template system. If an untrusted user can supply that text, they could cause the program to run commands with full system privileges. Install the latest update for the package and limit configuration input to trusted users only.
What to do
- Update openeuler python-templated-dictionary to version 1.2-2.oe2403sp1.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| openEuler:24.03-LTS-SP1 | openeuler | python-templated-dictionary |
< 1.2-2.oe2403sp1 Fix: upgrade to 1.2-2.oe2403sp1
|
Original advisory text
python-templated-dictionary security update
Dictionary where __getitem__() is run through Jinja2 template.
Security Fix(es):
The Mock software contains a vulnerability wherein an attacker could potentially exploit privilege escalation, enabling the execution of arbitrary code with root user privileges. This weakness stems from the absence of proper sandboxing during the expansion and execution of Jinja2 templates, which may be included in certain configuration parameters. While the Mock documentation advises treating users added to the mock group as privileged, certain build systems invoking mock on behalf of users might inadvertently permit less privileged users to define configuration tags. These tags could then be passed as parameters to mock during execution, potentially leading to the utilization of Jinja2 templates for remote privilege escalation and the execution of arbitrary code as the root user on the build server.(CVE-2023-6395)
Security Fix(es):
The Mock software contains a vulnerability wherein an attacker could potentially exploit privilege escalation, enabling the execution of arbitrary code with root user privileges. This weakness stems from the absence of proper sandboxing during the expansion and execution of Jinja2 templates, which may be included in certain configuration parameters. While the Mock documentation advises treating users added to the mock group as privileged, certain build systems invoking mock on behalf of users might inadvertently permit less privileged users to define configuration tags. These tags could then be passed as parameters to mock during execution, potentially leading to the utilization of Jinja2 templates for remote privilege escalation and the execution of arbitrary code as the root user on the build server.(CVE-2023-6395)
References
- https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA... Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-6395 Vendor Advisory
Internet-facing
3 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically (estimated)
- Gives an attacker full control (estimated)
Timeline
Published20 Sep 2026
Updated20 Sep 2026
First seen20 Sep 2026
Sources
OESA-2026-3913 · OSV
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