Bug 2155487 (CVE-2022-23493) - CVE-2022-23493 xrdp: out-of-bound read in xrdp_mm_trans_process_drdynvc_channel_close()
Summary: CVE-2022-23493 xrdp: out-of-bound read in xrdp_mm_trans_process_drdynvc_chann...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2022-23493
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2155491 2155492
Blocks: 2155489
TreeView+ depends on / blocked
 
Reported: 2022-12-21 10:51 UTC by TEJ RATHI
Modified: 2022-12-23 15:08 UTC (History)
1 user (show)

Fixed In Version: xrdp 0.9.21
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Environment:
Last Closed: 2022-12-23 15:08:39 UTC

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Description TEJ RATHI 2022-12-21 10:51:04 UTC 
xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a Out of Bound Read in xrdp_mm_trans_process_drdynvc_channel_close() function. There are no known workarounds for this issue. Users are advised to upgrade.

https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-59wp-3wq6-jh5v
Comment 1 TEJ RATHI 2022-12-21 10:59:41 UTC 
Created xrdp tracking bugs for this issue:

Affects: epel-all [bug 2155491]
Affects: fedora-all [bug 2155492]
Comment 2 Bojan Smojver 2022-12-21 22:02:02 UTC 
https://bodhi.fedoraproject.org/updates/FEDORA-2022-6ffa4643dc
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2022-a0c828a573
https://bodhi.fedoraproject.org/updates/FEDORA-2022-08d2138578
https://bodhi.fedoraproject.org/updates/FEDORA-2022-6fe4046ae9
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2022-aaf428feb8
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2022-0b26ab3924
Comment 3 Product Security DevOps Team 2022-12-23 15:08:37 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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