Bug 1849886 (CVE-2018-21247) - CVE-2018-21247 libvncserver: uninitialized memory contents are vulnerable to Information Leak
Summary: CVE-2018-21247 libvncserver: uninitialized memory contents are vulnerable to ...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2018-21247
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: 1849888 1849887 1852516 1852517
Blocks: 1849880
TreeView+ depends on / blocked
 
Reported: 2020-06-23 06:32 UTC by Marian Rehak
Modified: 2021-05-18 15:16 UTC (History)
3 users (show)

Fixed In Version:
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Last Closed: 2021-05-18 14:34:30 UTC


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Description Marian Rehak 2020-06-23 06:32:59 UTC
An issue was discovered in LibVNCServer before 0.9.13. There is an information leak (of uninitialized memory contents) in the libvncclient/rfbproto.c ConnectToRFBRepeater function.

Upstream Issue:

https://github.com/LibVNC/libvncserver/issues/253

Comment 1 Marian Rehak 2020-06-23 06:33:22 UTC
Created libvncserver tracking bugs for this issue:

Affects: epel-7 [bug 1849888]
Affects: fedora-all [bug 1849887]

Comment 4 Product Security DevOps Team 2021-05-18 14:34:30 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2018-21247

Comment 5 errata-xmlrpc 2021-05-18 15:16:11 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:1811 https://access.redhat.com/errata/RHSA-2021:1811


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