Bug 1670413 (CVE-2018-20174) - CVE-2018-20174 rdesktop: Information leak in ui_clip_handle_data
Summary: CVE-2018-20174 rdesktop: Information leak in ui_clip_handle_data
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2018-20174
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: 1670427
Blocks: 1667054
TreeView+ depends on / blocked
 
Reported: 2019-01-29 13:54 UTC by Pedro Sampaio
Modified: 2019-09-29 15:06 UTC (History)
1 user (show)

Fixed In Version: rdesktop 1.8.4
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Environment:
Last Closed: 2019-02-19 04:13:10 UTC
Embargoed:

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Description Pedro Sampaio 2019-01-29 13:54:01 UTC 
A flaw was found in rdesktop before 1.8.4. A issue in ui_clip_handle_data function may lead to unintentional exposure of data.

Upstream patch:

https://github.com/rdesktop/rdesktop/commit/766ebcf6f23ccfe8323ac10242ae6e127d4505d2
https://github.com/rdesktop/rdesktop/releases/tag/v1.8.4
Comment 1 Pedro Sampaio 2019-01-29 14:04:03 UTC 
Created rdesktop tracking bugs for this issue:

Affects: fedora-all [bug 1670427]
Comment 2 Huzaifa S. Sidhpurwala 2019-02-19 04:13:10 UTC 
Note:

You need to connect to a malicious or a MITM RDP server in order to trigger this flaw. The malicious RDP server can cause information leak on the client i.e. it could retrieve a small portion of the client memory space.
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