CVE-2025-32799
What it is
Conda-build contains commands and tools to build conda packages. Prior to version 25.4.0, the conda-build processing logic is vulnerable to path traversal (Tarslip) attacks due to improper sanitization of tar entry paths. Attackers can craft tar archives containing entries with directory traversal sequences to write files outside the intended extraction directory. This could lead to arbitrary file overwrites, privilege escalation, or code execution if sensitive locations are targeted. This issue has been patched in version 25.4.0.
At a glance
- Exploitability
- Can be exploited over the network without logging in, but needs a user to act. High risk of data tampering.
- Exploit odds
- 1.3% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.3% in the next 30 days (EPSS).
- Severity: 5.6 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.3% · EPSS, next 30 days
- Weakness
- CWE-22 · Path traversal
- Record status
- Analyzed
Affected
- Anaconda conda-build < 25.4.0
Attack profile CVSS 4.0 · 5.6
- Attack vector
- Network
- Complexity
- Low
- Attack requirements
- Present
- Privileges needed
- None
- User interaction
- Passive
- Confidentiality
- Low
- Integrity
- High
- Availability
- Low
Raw vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2025-32799.md and follow it. Check whether this project is affected by CVE-2025-32799. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/conda/conda-build/commit/bdf5e0022cec9a0c1378cca3f2dc8c92b4834673
- https://github.com/conda/conda-build/security/advisories/GHSA-h499-pxgj-qh5h
- https://github.com/conda/conda-build/security/advisories/GHSA-h499-pxgj-qh5h
References
- https://github.com/conda/conda-build/blob/834448b995eee02cf1c2e7ca97bcfa9affc77ee5/conda_build/convert.py
- https://github.com/conda/conda-build/blob/834448b995eee02cf1c2e7ca97bcfa9affc77ee5/conda_build/render.py
- https://github.com/conda/conda-build/commit/bdf5e0022cec9a0c1378cca3f2dc8c92b4834673
- https://github.com/conda/conda-build/security/advisories/GHSA-h499-pxgj-qh5h
- https://github.com/conda/conda-build/security/advisories/GHSA-h499-pxgj-qh5h