Bug 1462216 (CVE-2017-7376) - CVE-2017-7376 libxml2: Incorrect limit used for port values
Summary: CVE-2017-7376 libxml2: Incorrect limit used for port values
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2017-7376
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: 1462226 1462227 1462228 1525811
Blocks: 1462234
TreeView+ depends on / blocked
 
Reported: 2017-06-16 12:36 UTC by Adam Mariš
Modified: 2019-09-29 14:14 UTC (History)
33 users (show)

Fixed In Version: libxml2 2.9.5
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2017-08-30 05:21:35 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
GNOME Bugzilla 780690 0 None None None 2020-04-09 19:50:24 UTC

Description Adam Mariš 2017-06-16 12:36:58 UTC 
When calculating port value in xmlParse3986Port function, incorrect limit is used.

Android patch:

https://android.googlesource.com/platform/external/libxml2/+/51e0cb2e5ec18eaf6fb331bc573ff27b743898f4

References:

https://source.android.com/security/bulletin/2017-06-01#libraries
Comment 1 Adam Mariš 2017-06-16 12:49:03 UTC 
Created libxml2 tracking bugs for this issue:

Affects: fedora-all [bug 1462226]


Created mingw-libxml2 tracking bugs for this issue:

Affects: epel-7 [bug 1462227]
Affects: fedora-all [bug 1462228]
Comment 3 Doran Moppert 2017-08-30 05:21:35 UTC 
The port filtering functionality was introduced in 2.9.4
Comment 9 Doran Moppert 2019-04-03 02:36:42 UTC 
Upstream fixed this slightly differently than different commit than Android did:

https://github.com/GNOME/libxml2/commit/5dca9eea1bd4
Note You need to log in before you can comment on or make changes to this bug.