ghsa-4wxh-fpjf-c8wf
Vulnerability from github
Published
2023-12-08 21:30
Modified
2024-05-08 00:31
Severity ?
Details
An issue was found in CPython 3.12.0 subprocess
module on POSIX platforms. The issue was fixed in CPython 3.12.1 and does not affect other stable releases.
When using the extra_groups=
parameter with an empty list as a value (ie extra_groups=[]
) the logic regressed to not call setgroups(0, NULL)
before calling exec()
, thus not dropping the original processes' groups before starting the new process. There is no issue when the parameter isn't used or when any value is used besides an empty list.
This issue only impacts CPython processes run with sufficient privilege to make the setgroups
system call (typically root
).
{ "affected": [], "aliases": [ "CVE-2023-6507" ], "database_specific": { "cwe_ids": [ "CWE-269" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2023-12-08T19:15:08Z", "severity": "MODERATE" }, "details": "An issue was found in CPython 3.12.0 `subprocess` module on POSIX platforms. The issue was fixed in CPython 3.12.1 and does not affect other stable releases.\n\nWhen using the `extra_groups=` parameter with an empty list as a value (ie `extra_groups=[]`) the logic regressed to not call `setgroups(0, NULL)` before calling `exec()`, thus not dropping the original processes\u0027 groups before starting the new process. There is no issue when the parameter isn\u0027t used or when any value is used besides an empty list.\n\nThis issue only impacts CPython processes run with sufficient privilege to make the `setgroups` system call (typically `root`).\n\n", "id": "GHSA-4wxh-fpjf-c8wf", "modified": "2024-05-08T00:31:12Z", "published": "2023-12-08T21:30:30Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-6507" }, { "type": "WEB", "url": "https://github.com/python/cpython/issues/112334" }, { "type": "WEB", "url": "https://github.com/python/cpython/pull/112617" }, { "type": "WEB", "url": "https://github.com/python/cpython/commit/10e9bb13b8dcaa414645b9bd10718d8f7179e82b" }, { "type": "WEB", "url": "https://github.com/python/cpython/commit/85bbfa8a4bbdbb61a3a84fbd7cb29a4096ab8a06" }, { "type": "WEB", "url": "https://github.com/python/cpython/commit/9fe7655c6ce0b8e9adc229daf681b6d30e6b1610" }, { "type": "WEB", "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/AUL7QFHBLILGISS7U63B47AYSSGJJQZD" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N", "type": "CVSS_V3" } ] }
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.