CVE-2023-42822

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Summary

CVECVE-2023-42822
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-09-27 18:15:00 UTC
Updated2023-11-03 21:15:00 UTC
Descriptionxrdp is an open source remote desktop protocol server. Access to the font glyphs in xrdp_painter.c is not bounds-checked . Since some of this data is controllable by the user, this can result in an out-of-bounds read within the xrdp executable. The vulnerability allows an out-of-bounds read within a potentially privileged process. On non-Debian platforms, xrdp tends to run as root. Potentially an out-of-bounds write can follow the out-of-bounds read. There is no denial-of-service impact, providing xrdp is running in forking mode. This issue has been addressed in release 0.9.23.1. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Risk And Classification

Problem Types: CWE-125

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 37 All All All
Operating System Fedoraproject Fedora 38 All All All
Application Neutrinolabs Xrdp All All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 39 Update: xrdp-0.9.23.1-1.fc39 - package-announce - Fedora Mailing-Lists MISC lists.fedoraproject.org
Merge pull request from GHSA-2hjx-rm4f-r9hw · neutrinolabs/xrdp@73acbe1 · GitHub MISC github.com
[SECURITY] Fedora 38 Update: xrdp-0.9.23.1-1.fc38 - package-announce - Fedora Mailing-Lists MISC lists.fedoraproject.org
[SECURITY] Fedora 37 Update: xrdp-0.9.23.1-1.fc37 - package-announce - Fedora Mailing-Lists MISC lists.fedoraproject.org
Unchecked access to font glyph info · Advisory · neutrinolabs/xrdp · GitHub MISC github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 199917 Ubuntu Security Notification for xrdp Vulnerabilities (USN-6474-1)
  • 284583 Fedora Security Update for xrdp (FEDORA-2023-0ce6a8afe5)
  • 284584 Fedora Security Update for xrdp (FEDORA-2023-c026222382)
  • 285237 Fedora Security Update for xrdp (FEDORA-2023-b781647782)
  • 503364 Alpine Linux Security Update for xrdp
  • 506280 Alpine Linux Security Update for xrdp
  • 691308 Free Berkeley Software Distribution (FreeBSD) Security Update for xrdp (af065e47-5d62-11ee-bbae-1c61b4739ac9)
  • 755344 SUSE Enterprise Linux Security Update for xrdp (SUSE-SU-2023:4577-1)
  • 755478 SUSE Enterprise Linux Security Update for xrdp (SUSE-SU-2023:4873-1)
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