Bug 1670400 (CVE-2018-20175) - CVE-2018-20175 rdesktop: Denial of Service in mcs_recv_connect_response and mcs_parse_domain_params
Summary: CVE-2018-20175 rdesktop: Denial of Service in mcs_recv_connect_response and m...
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2018-20175
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 13:36 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: 2019-02-18 06:37:22 UTC
Embargoed:

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Description Pedro Sampaio 2019-01-29 13:36:14 UTC 
A flaw was found in rdesktop before 1.8.4. A issue in fmcs_recv_connect_response and mcs_parse_domain_params functions may lead to denial of service.

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 14:03:35 UTC 
Created rdesktop tracking bugs for this issue:

Affects: fedora-all [bug 1670427]
Comment 2 Huzaifa S. Sidhpurwala 2019-02-18 06:37:22 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 the client to crash.
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