Bug 1421996 (CVE-2017-5969) - CVE-2017-5969 libxml2: Null pointer dereference in xmlSaveDoc implementation
Summary: CVE-2017-5969 libxml2: Null pointer dereference in xmlSaveDoc implementation
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2017-5969
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: 1421997 1421998 1421999
Blocks: 1422003
TreeView+ depends on / blocked
 
Reported: 2017-02-14 09:54 UTC by Andrej Nemec
Modified: 2021-02-17 02:35 UTC (History)
11 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
A NULL pointer dereference was discovered in libxml2, when using xmllint --recover. A maliciously crafted file, when parsed in recovery mode, could cause the application to crash.
Clone Of:
Environment:
Last Closed: 2017-03-23 06:02:17 UTC


Attachments (Terms of Use)

Description Andrej Nemec 2017-02-14 09:54:53 UTC
A vulnerability was found in libxml2. A maliciously crafted file could cause the application to crash, due to the xmlSaveDoc functionality not being safe.

References:

https://bugzilla.gnome.org/show_bug.cgi?id=778519
http://seclists.org/oss-sec/2017/q1/415

Comment 1 Andrej Nemec 2017-02-14 09:55:59 UTC
Created libxml2 tracking bugs for this issue:

Affects: fedora-all [bug 1421998]


Created mingw-libxml2 tracking bugs for this issue:

Affects: epel-7 [bug 1421999]
Affects: fedora-all [bug 1421997]

Comment 2 Doran Moppert 2017-03-23 06:01:06 UTC
Statement:

Recovery mode is not intended for use with untrusted input. Users invoking xmllint --recover may experience a crash, but applications processing documents from possibly malicious sources should not be exposed to this flaw.


Note You need to log in before you can comment on or make changes to this bug.