GHSA-P799-Q2PR-6MXJ
Vulnerability from github – Published: 2025-03-29 00:08 – Updated: 2025-03-29 00:08Impact
The library used to extract archives (github.com/jaredallard/archives) was vulnerable to the "zip slip" vulnerability. This is used to extract native extension archives and repository source archives. A native extension or repository archive could be crafted in such a way where a remote code execution or modification/reading of a file is possible using the user who is running stencil.
The severity is marked as "medium" because native extensions have always considered to be "unsafe" to run when not trusted. Native extensions are arbitrary code being ran, which could always do this same exploit with less steps. The medium severity is to reflect that this could be done even when a user is not using a native extension, for example a repository source archive. However, one would need to mutate the archives provided by Github or perform some hackery with links, which may not be possible. Thus, "medium" is used out of an abundance of caution where I would've labeled this as "low".
Patches
Patched in 2.3.0 and above.
Workarounds
No workarounds are present.
References
https://github.com/jaredallard/archives/security/advisories/GHSA-j95m-rcjp-q69h
{
"affected": [
{
"package": {
"ecosystem": "Go",
"name": "go.rgst.io/stencil/v2"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.3.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [],
"database_specific": {
"cwe_ids": [
"CWE-22"
],
"github_reviewed": true,
"github_reviewed_at": "2025-03-29T00:08:44Z",
"nvd_published_at": null,
"severity": "MODERATE"
},
"details": "### Impact\n\nThe library used to extract archives (github.com/jaredallard/archives) was vulnerable to the \"zip slip\" vulnerability. This is used to extract native extension archives and repository source archives. A native extension or repository archive could be crafted in such a way where a remote code execution or modification/reading of a file is possible using the user who is running stencil.\n\nThe severity is marked as \"medium\" because native extensions have always considered to be \"unsafe\" to run when not trusted. Native extensions are arbitrary code being ran, which could always do this same exploit with less steps. The medium severity is to reflect that this could be done even when a user is _not_ using a native extension, for example a repository source archive. However, one would need to mutate the archives provided by Github or perform some hackery with links, which may not be possible. Thus, \"medium\" is used out of an abundance of caution where I would\u0027ve labeled this as \"low\".\n\n### Patches\n\nPatched in 2.3.0 and above.\n\n### Workarounds\n\nNo workarounds are present.\n\n### References\n\nhttps://github.com/jaredallard/archives/security/advisories/GHSA-j95m-rcjp-q69h",
"id": "GHSA-p799-q2pr-6mxj",
"modified": "2025-03-29T00:08:44Z",
"published": "2025-03-29T00:08:44Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/jaredallard/archives/security/advisories/GHSA-j95m-rcjp-q69h"
},
{
"type": "WEB",
"url": "https://github.com/rgst-io/stencil/security/advisories/GHSA-p799-q2pr-6mxj"
},
{
"type": "WEB",
"url": "https://github.com/rgst-io/stencil/pull/255"
},
{
"type": "WEB",
"url": "https://github.com/rgst-io/stencil/commit/5482fcada0c6f77d903d13129bd656b7df80ac3a"
},
{
"type": "PACKAGE",
"url": "https://github.com/rgst-io/stencil"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "go.rgst.io/stencil/v2 vulnerable to Path Traversal"
}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.
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