CVE-2020-11037 — In Wagtail before versions 2

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 compari

01What is this vulnerability?

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…

02Affected products

Vendor	Product	Versions
wagtail	Wagtail	< 2.7.3, >= 2.8rc1, < 2.8.2, = 2.9rc1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-04-30T22:20:12.000Z
• Last modified: 2024-11-19T15:42:15.578Z

09References

• github.com — https://github.com/wagtail/wagtail/security/advisories/GHSA-jjjr-3jcw-f8v6
• github.com — https://github.com/wagtail/wagtail/commit/3c030490ed575bb9cd01dfb3a890477dcaeb2e…
• github.com — https://github.com/wagtail/wagtail/commit/b76ab57ee859732b9cf9287d380493ab240610…
• github.com — https://github.com/wagtail/wagtail/commit/ba9d424bd1ca5ce1910d3de74f5cc07214fbfb…
• github.com — https://github.com/wagtail/wagtail/commit/bac3cd0a26b023e595cf2959aae7da15bb5e43…