Bug 1494401 (CVE-2017-14227) - CVE-2017-14227 libbson: Heap based buffer over read in the bson_utf8_validate function
Summary: CVE-2017-14227 libbson: Heap based buffer over read in the bson_utf8_validate...
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2017-14227
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1494402 1489355
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-09-22 08:06 UTC by Andrej Nemec
Modified: 2019-09-29 14:22 UTC (History)
2 users (show)

Fixed In Version:
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Environment:
Last Closed: 2019-06-08 03:26:05 UTC
Embargoed:

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Description Andrej Nemec 2017-09-22 08:06:25 UTC 
In MongoDB libbson 1.7.0, the bson_iter_codewscope function in bson-iter.c miscalculates a bson_utf8_validate length argument, which allows remote attackers to cause a denial of service (heap-based buffer over-read in the bson_utf8_validate function in bson-utf8.c), as demonstrated by bson-to-json.c.

Upstream issue:

https://jira.mongodb.org/browse/CDRIVER-2269

Upstream patches:

https://github.com/mongodb/libbson/commit/42900956dc461dfe7fb91d93361d10737c1602b3
https://github.com/mongodb/libbson/commit/e10059393466f667b031077229cfa98504ce34f3
Comment 1 Andrej Nemec 2017-09-22 08:06:48 UTC 
Created libbson tracking bugs for this issue:

Affects: epel-7 [bug 1494402]
Comment 2 Fedora Update System 2017-09-26 23:54:40 UTC 
libbson-1.6.3-2.fc26 has been pushed to the Fedora 26 stable repository. If problems still persist, please make note of it in this bug report.
Comment 3 Fedora Update System 2017-09-27 05:27:29 UTC 
libbson-1.3.5-4.fc25 has been pushed to the Fedora 25 stable repository. If problems still persist, please make note of it in this bug report.
Comment 4 Fedora Update System 2017-09-30 06:31:28 UTC 
libbson-1.8.0-1.fc27 has been pushed to the Fedora 27 stable repository. If problems still persist, please make note of it in this bug report.
Comment 5 Fedora Update System 2017-10-09 14:50:14 UTC 
libbson-1.3.5-4.el7 has been pushed to the Fedora EPEL 7 stable repository. If problems still persist, please make note of it in this bug report.
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