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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWpqanItM2pjdy1mOHY2

Potential Observable Timing Discrepancy in Wagtail

Impact

A potential timing attack exists on pages or documents that have been protected with a shared password through Wagtail's "Privacy" controls. This password check is performed through a character-by-character string comparison, and so an attacker who is able to measure the time taken by this check to a high degree of accuracy could potentially use timing differences to gain knowledge of the password. (This is understood to be feasible on a local network, but not on the public internet.)

Privacy settings that restrict access to pages / documents on a per-user or per-group basis (as opposed to a shared password) are unaffected by this vulnerability.

Patches

Patched versions have been released as Wagtail 2.7.3 (for the LTS 2.7 branch), Wagtail 2.8.2 and Wagtail 2.9.

Workarounds

Site owners who are unable to upgrade to the new versions can use user- or group-based privacy restrictions to restrict access to sensitive information; these are unaffected by this vulnerability.

Permalink: https://github.com/advisories/GHSA-jjjr-3jcw-f8v6
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWpqanItM2pjdy1mOHY2
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: almost 4 years ago
Updated: over 1 year ago


CVSS Score: 6.1
CVSS vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:N

Identifiers: GHSA-jjjr-3jcw-f8v6, CVE-2020-11037
References: Repository: https://github.com/wagtail/wagtail
Blast Radius: 20.1

Affected Packages

pypi:wagtail
Dependent packages: 177
Dependent repositories: 1,955
Downloads: 226,634 last month
Affected Version Ranges: >= 2.8.0, < 2.8.2, < 2.7.2
Fixed in: 2.8.2, 2.7.2
All affected versions: 0.3.1, 0.4.1, 0.8.1, 0.8.2, 0.8.3, 0.8.4, 0.8.5, 0.8.6, 0.8.7, 0.8.8, 0.8.9, 0.8.10, 1.3.1, 1.4.1, 1.4.2, 1.4.3, 1.4.4, 1.4.5, 1.4.6, 1.5.1, 1.5.2, 1.5.3, 1.6.1, 1.6.2, 1.6.3, 1.8.1, 1.8.2, 1.9.1, 1.10.1, 1.11.1, 1.12.1, 1.12.2, 1.12.3, 1.12.4, 1.12.5, 1.12.6, 1.13.1, 1.13.2, 1.13.3, 1.13.4, 2.0.1, 2.0.2, 2.1.1, 2.1.2, 2.1.3, 2.2.1, 2.2.2, 2.5.1, 2.5.2, 2.6.1, 2.6.2, 2.6.3, 2.7.1, 2.8.1
All unaffected versions: 2.7.2, 2.7.3, 2.7.4, 2.8.2, 2.9.1, 2.9.2, 2.9.3, 2.10.1, 2.10.2, 2.11.1, 2.11.2, 2.11.3, 2.11.4, 2.11.5, 2.11.6, 2.11.7, 2.11.8, 2.11.9, 2.12.1, 2.12.2, 2.12.3, 2.12.4, 2.12.5, 2.12.6, 2.13.1, 2.13.2, 2.13.3, 2.13.4, 2.13.5, 2.14.1, 2.14.2, 2.15.1, 2.15.2, 2.15.3, 2.15.4, 2.15.5, 2.15.6, 2.16.1, 2.16.2, 2.16.3, 3.0.1, 3.0.2, 3.0.3, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.1.1, 4.1.2, 4.1.3, 4.1.4, 4.1.5, 4.1.6, 4.1.7, 4.1.8, 4.1.9, 4.2.1, 4.2.2, 4.2.3, 4.2.4, 5.0.1, 5.0.2, 5.0.3, 5.0.4, 5.0.5, 5.1.1, 5.1.2, 5.1.3, 5.2.1, 5.2.2, 5.2.3, 5.2.4, 6.0.1, 6.0.2