Bug 1545500 (CVE-2017-18187) - CVE-2017-18187 mbedtls: Bounds-check bypass via integer overflow in ssl_srv.c:ssl_parse_client_psk_identity()
Summary: CVE-2017-18187 mbedtls: Bounds-check bypass via integer overflow in ssl_srv.c...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2017-18187
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: 1544729 1544730
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-02-15 04:55 UTC by Sam Fowler
Modified: 2019-09-29 14:32 UTC (History)
2 users (show)

Fixed In Version: mbedtls 2.7.0
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Clone Of:
Environment:
Last Closed: 2019-06-08 03:40:05 UTC
Embargoed:

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Description Sam Fowler 2018-02-15 04:55:42 UTC 
In ARM mbed TLS before 2.7.0, there is a bounds-check bypass through an integer overflow in PSK identity parsing in the ssl_parse_client_psk_identity() function in library/ssl_srv.c.


Upstream Patch:

https://github.com/ARMmbed/mbedtls/commit/83c9f495ffe70c7dd280b41fdfd4881485a3bc28
Comment 1 Sam Fowler 2018-02-15 04:58:42 UTC 
Created mbedtls tracking bugs for this issue:

Affects: epel-all [bug 1544730]
Affects: fedora-all [bug 1544729]
Comment 2 Product Security DevOps Team 2019-06-08 03:40:05 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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