GHSA-7v28-g2pq-ggg8

Suggest an improvement
Source
https://github.com/advisories/GHSA-7v28-g2pq-ggg8
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/06/GHSA-7v28-g2pq-ggg8/GHSA-7v28-g2pq-ggg8.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-7v28-g2pq-ggg8
Published
2022-06-17T01:16:03Z
Modified
2022-08-10T22:15:39Z
Severity
  • 6.6 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L CVSS Calculator
Summary
Ghost vulnerable to remote code execution in locale setting change
Details

Impact

A vulnerability in an upstream library means an authenticated attacker can abuse locale input to execute arbitrary commands from a file that has previously been uploaded using the file upload functionality in the post editor.

Patches

Fixed in 5.2.3, all 5.x sites should update as soon as possible. Fixed in 4.48.2, all 4.x sites should update as soon as possible.

Workarounds

Patched versions of Ghost add validation to the locale input to prevent execution of arbitrary files. Updating Ghost is the quickest complete solution.

As a workaround, if for any reason you cannot update your Ghost instance, you can block the POST /ghost/api/admin/settings/ endpoint, which will also disable updating settings for your site.

For more information

If you have any questions or comments about this advisory:

Credits

Database specific
{
    "cwe_ids":  [],
    "github_reviewed":  true,
    "github_reviewed_at":  "2022-06-17T01:16:03Z",
    "nvd_published_at":  null,
    "severity":  "MODERATE"
}
References

Affected packages

npm / ghost

Package

Affected ranges

Type
SEMVER
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.48.2

Database specific

source
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/06/GHSA-7v28-g2pq-ggg8/GHSA-7v28-g2pq-ggg8.json"

npm / ghost

Package

Affected ranges

Type
SEMVER
Events
Introduced
5.0.0
Fixed
5.2.3

Database specific

source
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/06/GHSA-7v28-g2pq-ggg8/GHSA-7v28-g2pq-ggg8.json"