Bug 1860361 (CVE-2020-14400) - CVE-2020-14400 libvncserver: byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c
Summary: CVE-2020-14400 libvncserver: byte-aligned data is accessed through uint16_t p...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2020-14400
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: 1860362 1860363
Blocks: 1860332
TreeView+ depends on / blocked
 
Reported: 2020-07-24 11:25 UTC by Marian Rehak
Modified: 2021-02-16 19:37 UTC (History)
4 users (show)

Fixed In Version: libvncserver 0.9.13
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Environment:
Last Closed: 2020-07-30 16:30:51 UTC
Embargoed:

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Description Marian Rehak 2020-07-24 11:25:06 UTC 
An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c.

Upstream commit:

https://github.com/LibVNC/libvncserver/commit/53073c8d7e232151ea2ecd8a1243124121e10e2d
Comment 1 Marian Rehak 2020-07-24 11:25:43 UTC 
Created libvncserver tracking bugs for this issue:

Affects: epel-7 [bug 1860362]
Affects: fedora-all [bug 1860363]
Comment 2 Todd Cullum 2020-07-30 00:13:29 UTC 
I've opened general software bugs for this as there is no known exploit path or trust boundary crossed:

https://bugzilla.redhat.com/show_bug.cgi?id=1861929
https://bugzilla.redhat.com/show_bug.cgi?id=1861933
https://bugzilla.redhat.com/show_bug.cgi?id=1861932
https://bugzilla.redhat.com/show_bug.cgi?id=1861930
Comment 3 Todd Cullum 2020-07-30 16:24:48 UTC 
Statement:

Red Hat Product Security does not consider this to be a vulnerability as there is no known path of exploitation or cross of a trust boundary.
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