Bug 1838528 (CVE-2020-8138) - CVE-2020-8138 nextcloud: a Server-Side Request Forgery vulnerability when subscribing to a malicious calendar URL
Summary: CVE-2020-8138 nextcloud: a Server-Side Request Forgery vulnerability when sub...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2020-8138
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1838529 1838530 1838532
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-05-21 10:32 UTC by Marian Rehak
Modified: 2021-10-28 05:26 UTC (History)
2 users (show)

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Last Closed: 2021-10-28 05:26:28 UTC
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Description Marian Rehak 2020-05-21 10:32:03 UTC 
A missing check for IPv4 nested inside IPv6 in Nextcloud server < 17.0.1, < 16.0.7, and < 15.0.14 allowed a Server-Side Request Forgery (SSRF) vulnerability when subscribing to a malicious calendar URL.

Upstream Advisory:

https://nextcloud.com/security/advisory/?id=NC-SA-2020-014
Comment 1 Marian Rehak 2020-05-21 10:32:42 UTC 
Created nextcloud tracking bugs for this issue:

Affects: epel-7 [bug 1838532]
Affects: fedora-30 [bug 1838529]
Affects: fedora-31 [bug 1838530]
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