CVE-2023-1523

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Summary

CVECVE-2023-1523
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-09-01 19:15:00 UTC
Updated2023-09-08 17:17:00 UTC
DescriptionUsing the TIOCLINUX ioctl request, a malicious snap could inject contents into the input of the controlling terminal which could allow it to cause arbitrary commands to be executed outside of the snap sandbox after the snap exits. Graphical terminal emulators like xterm, gnome-terminal and others are not affected - this can only be exploited when snaps are run on a virtual console.

Risk And Classification

Problem Types: CWE-74

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Canonical Snapd All All All All
Operating System Canonical Ubuntu Linux 16.04 All All All
Operating System Canonical Ubuntu Linux 18.04 All All All
Operating System Canonical Ubuntu Linux 20.04 All All All
Operating System Canonical Ubuntu Linux 22.04 All All All
Operating System Canonical Ubuntu Linux 22.10 All All All
Operating System Canonical Ubuntu Linux 23.04 All All All

References

ReferenceSourceLinkTags
USN-6125-1: snapd vulnerability | Ubuntu security notices | Ubuntu MISC ubuntu.com
CVE - CVE-2023-1523 MISC cve.mitre.org
many: introduce seccomp denylist to block ioctl with TIOCLINUX to fix CVE-2023-1523 by alexmurray · Pull Request #12849 · snapcore/snapd · GitHub MISC github.com
'Re: [oss-security] TTY pushback vulnerabilities / TIOCSTI' - MARC MISC marc.info
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 199381 Ubuntu Security Notification for snapd Vulnerability (USN-6125-1)
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