CVE-2020-11037 (GCVE-0-2020-11037)
Vulnerability from cvelistv5
Published
2020-04-30 22:20
Modified
2024-11-19 15:42
CWE
  • CWE-208 - Observable Timing Discrepancy
Summary
In Wagtail before versions 2.7.3 and 2.8.2, 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](https://groups.google.com/d/msg/django-developers/iAaq0pvHXuA/fpUuwjK3i2wJ). 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. This has been patched in 2.7.3, 2.8.2, 2.9.
Impacted products
Vendor Product Version
wagtail Wagtail Version: < 2.7.3
Version: >= 2.8rc1, < 2.8.2
Version: = 2.9rc1
Create a notification for this product.
Show details on NVD website


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    "cna": {
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          "versions": [
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          "value": "In Wagtail before versions 2.7.3 and 2.8.2, a potential timing attack exists on pages or documents that have been protected with a shared password through Wagtail\u0027s \"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](https://groups.google.com/d/msg/django-developers/iAaq0pvHXuA/fpUuwjK3i2wJ).\n\nPrivacy 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.\n\nThis has been patched in 2.7.3, 2.8.2, 2.9."
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            "confidentialityImpact": "HIGH",
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      "source": {
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        "discovery": "UNKNOWN"
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      "title": "Potential Observable Timing Discrepancy in Wagtail"
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