Bug 1847916 (CVE-2020-8169) - CVE-2020-8169 libcurl: partial password leak over DNS on HTTP redirect
Summary: CVE-2020-8169 libcurl: partial password leak over DNS on HTTP redirect
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2020-8169
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: 1851435 1851436 1851437
Blocks: 1847917
TreeView+ depends on / blocked
 
Reported: 2020-06-17 10:45 UTC by msiddiqu
Modified: 2021-06-17 15:03 UTC (History)
29 users (show)

Fixed In Version: curl 7.71.0
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in libcurl. A part of a password may be prepended to the host name before the host name is resolved, leading to a leak of the partial password over the network and to DNS servers. This highest threat from this vulnerability is to data confidentiality.
Clone Of:
Environment:
Last Closed: 2021-06-17 15:03:55 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2021:2471 0 None None None 2021-06-17 11:35:40 UTC
Red Hat Product Errata RHSA-2021:2472 0 None None None 2021-06-17 11:45:08 UTC

Description msiddiqu 2020-06-17 10:45:54 UTC 
libcurl can be tricked to prepend a part of the password to the host name
before it resolves it, potentially leaking the partial password over the
network and to the DNS server(s).
Comment 2 Stefan Cornelius 2020-06-26 13:47:32 UTC 
External References:

https://curl.haxx.se/docs/CVE-2020-8169.html
Comment 3 Stefan Cornelius 2020-06-26 13:50:06 UTC 
Created curl tracking bugs for this issue:

Affects: fedora-all [bug 1851435]


Created flickcurl tracking bugs for this issue:

Affects: fedora-all [bug 1851437]


Created mingw-curl tracking bugs for this issue:

Affects: fedora-all [bug 1851436]
Comment 4 errata-xmlrpc 2021-06-17 11:35:31 UTC 
This issue has been addressed in the following products:

  JBoss Core Services Apache HTTP Server 2.4.37 SP8

Via RHSA-2021:2471 https://access.redhat.com/errata/RHSA-2021:2471
Comment 5 errata-xmlrpc 2021-06-17 11:45:00 UTC 
This issue has been addressed in the following products:

  JBoss Core Services on RHEL 7
  JBoss Core Services for RHEL 8

Via RHSA-2021:2472 https://access.redhat.com/errata/RHSA-2021:2472
Comment 6 Product Security DevOps Team 2021-06-17 15:03:55 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-8169
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