Bug 2155487 (CVE-2022-23493)

Summary: CVE-2022-23493 xrdp: out-of-bound read in xrdp_mm_trans_process_drdynvc_channel_close()
Product: [Other] Security Response Reporter: TEJ RATHI <trathi>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: bojan
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Fixed In Version: xrdp 0.9.21 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2022-12-23 15:08:39 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 2155491, 2155492    
Bug Blocks: 2155489    

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.


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 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.