CVE-2020-13379 — The avatar feature in Grafana 3

The avatar feature in Grafana 3.0.1 through 7.0.1 has an SSRF Incorrect Access Control issue. This vulnerability allows any unauthenticated user/client to make Grafana send HTTP requests to any URL and return its result to the user/client. This can be used to gain information abo

01What is this vulnerability?

The avatar feature in Grafana 3.0.1 through 7.0.1 has an SSRF Incorrect Access Control issue. This vulnerability allows any unauthenticated user/client to make Grafana send HTTP requests to any URL and return its result to the user/client. This can be used to gain information about the network that Grafana is running on. Furthermore, passing invalid URL objects could be used for DOS'ing Grafana…

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

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: 2020-06-03T18:41:09.000Z
• Last modified: 2024-08-04T12:18:17.618Z

09References

• community.grafana.com — https://community.grafana.com/t/release-notes-v6-7-x/27119
• www.openwall.com — http://www.openwall.com/lists/oss-security/2020/06/03/4
• community.grafana.com — https://community.grafana.com/t/grafana-7-0-2-and-6-7-4-security-update/31408
• grafana.com — https://grafana.com/blog/2020/06/03/grafana-6.7.4-and-7.0.2-released-with-import…
• community.grafana.com — https://community.grafana.com/t/release-notes-v7-0-x/29381
• security.netapp.com — https://security.netapp.com/advisory/ntap-20200608-0006/
• www.openwall.com — http://www.openwall.com/lists/oss-security/2020/06/09/2
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00060.html
• mostwanted002.cf — https://mostwanted002.cf/post/grafanados/
• packetstormsecurity.com — http://packetstormsecurity.com/files/158320/Grafana-7.0.1-Denial-Of-Service.html
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00083.html
• rhynorater.github.io — https://rhynorater.github.io/CVE-2020-13379-Write-Up
• lists.apache.org — https://lists.apache.org/thread.html/re75f59639f3bc1d14c7ab362bc4485ade84f3c6a3c…
• lists.apache.org — https://lists.apache.org/thread.html/r6bb57124a21bb638f552d81650c66684e70fc1ff9f…
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00009.html
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00017.html
• lists.apache.org — https://lists.apache.org/thread.html/r40f0a97b6765de6b8938bc212ee9dfb5101e9efa48…
• lists.apache.org — https://lists.apache.org/thread.html/r093b405a49fd31efa0d949ac1a887101af1ca95652…
• lists.apache.org — https://lists.apache.org/thread.html/rba0247a27be78bd14046724098462d058a9969400a…
• lists.apache.org — https://lists.apache.org/thread.html/rff71126fa7d9f572baafb9be44078ad409c85d2c0f…
• lists.apache.org — https://lists.apache.org/thread.html/re7c4b251b52f49ba6ef752b829bca9565faaf93d03…
• lists.apache.org — https://lists.apache.org/thread.html/rad99b06d7360a5cf6e394afb313f8901dcd4cb777a…
• lists.apache.org — https://lists.apache.org/thread.html/r0928ee574281f8b6156e0a6d0291bfc27100a9dd3f…
• lists.apache.org — https://lists.apache.org/thread.html/rd0fd283e3844b9c54cd5ecc92d966f96d3f4318815…
• lists.apache.org — https://lists.apache.org/thread.html/r6670a6c29044bcb77d4e5d165b5bd13fffe37b84ca…
• lists.apache.org — https://lists.apache.org/thread.html/r984c3b42a500f5a6a89fbee436b9432fada5dc27eb…