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Bug 1422464 - (CVE-2017-2628) CVE-2017-2628 curl: negotiate not treated as connection-oriented (incomplete fix for CVE-2015-3148)
CVE-2017-2628 curl: negotiate not treated as connection-oriented (incomplete ...
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20170329,repor...
: Security
Depends On: 1429761
Blocks: 1415298 1422465
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Reported: 2017-02-15 06:50 EST by Martin Prpič
Modified: 2018-03-13 04:10 EDT (History)
21 users (show)

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Doc Text:
It was found that the fix for CVE-2015-3148 in curl was incomplete. An application using libcurl with HTTP Negotiate authentication could incorrectly re-use credentials for subsequent requests to the same server.
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Last Closed: 2017-03-29 02:43:23 EDT
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2017:0847 normal SHIPPED_LIVE Moderate: curl security update 2017-03-29 06:32:29 EDT

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Description Martin Prpič 2017-02-15 06:50:28 EST 
It was found that the fix for CVE-2015-3148 did not correctly backported to curl in RHEL 6 because it did not reflect the fact that the HAVE_GSSAPI define was meanwhile substituted by USE_HTTP_NEGOTIATE.

The original issue was described as:

It was discovered that libcurl could incorrectly reuse Negotiate authenticated HTTP connections for subsequent requests. If an application using libcurl established a Negotiate authenticated HTTP connection to a server and sent subsequent requests with different credentials, the connection could be re-used with the initial set of credentials instead of using the new ones.

This issue was introduced in RHEL 6.7 and affects RHEL 6 curl only.
Comment 1 Martin Prpič 2017-02-15 07:44:03 EST 
Acknowledgments:

Name: Paulo Andrade (Red Hat)
Comment 8 errata-xmlrpc 2017-03-29 02:32:48 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2017:0847 https://rhn.redhat.com/errata/RHSA-2017-0847.html
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