{"id":"CVE-2023-1523","aliases":["DEBIAN-CVE-2023-1523","EUVD-2023-23767","GHSA-55wx-23fj-c2v5","UBUNTU-CVE-2023-1523","USN-6125-1"],"status":"published","title":"Using the TIOCLINUX ioctl request, a malicious snap could inject contents into the input of the...","description":"Using 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.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01447,"percentile":0.73535,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-74"],"published":"2023-05-25T00:00:00Z","modified":"2026-10-28T02:30:35Z","fixes":[{"ecosystem":"Debian:13","package":"snapd","fixed_in":["2.59.5-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"snapd","fixed_in":["2.59.5-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:16.04:LTS","package":"snapd","fixed_in":["2.54.3+16.04.0ubuntu0.1~esm6"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"snapd","fixed_in":["2.58+18.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"snapd","fixed_in":["2.58+20.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:22.04:LTS","package":"snapd","fixed_in":["2.58+22.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"snapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.57.6-1","2.57.6-1+deb12u1","2.59.5-1","2.60.2-1","2.61.1-1","2.61.2-1","2.61.2-2","2.62-1","2.62-2","2.62-3","2.62-4","2.62-5","2.63-1","2.63-2","2.63-3","2.63-4","2.65.1-1","2.65.3-1","2.66.1-1","2.66.1-2","2.67-1","2.68.3-2","2.68.3-3","2.71-1","2.71-2","2.71-3","2.72-1","2.73-3","2.73-4","2.74.1-1","2.75.2-1","2.75.2-2","2.76-1","2.76.3-1","2.76.3-2","2.77.1-1","2.77.1-2"]},{"source":"osv","ecosystem":"Debian:13","package":"snapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.59.5-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"snapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.59.5-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"snapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.54.3+16.04.0ubuntu0.1~esm6"}]}],"versions":["1.9","1.9.1.1","1.9.2","2.0","2.0.1","2.0.2","2.0.3","2.0.5","2.0.8","2.0.9","2.0.10","2.11+0.16.04","2.12+0.16.04","2.13","2.14.2~16.04","2.15.2ubuntu1","2.16ubuntu3","2.17.1ubuntu1","2.20.1ubuntu1","2.21","2.22.2","2.22.3","2.22.6","2.23.1","2.24.1","2.25","2.26.10","2.27.5","2.28.5","2.29.4.2","2.32.3.2","2.32.9","2.33.1ubuntu2","2.34.2","2.34.2ubuntu0.1","2.37.4","2.37.4ubuntu0.1","2.38","2.39.2","2.39.2ubuntu0.2","2.40","2.42.1","2.45.1","2.45.1ubuntu0.2","2.46.1","2.47.1","2.48","2.48.3","2.54.3+16.04~esm2","2.54.3+16.04.0ubuntu0.1~esm3","2.54.3+16.04.0ubuntu0.1~esm4","2.54.3+16.04.0ubuntu0.1~esm5"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"snapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.58+18.04.1"}]}],"versions":["2.28.5+17.10","2.29.4.1+18.04","2.29.4.2+18.04","2.31.1+18.04","2.32+18.04~pre5","2.32+18.04~pre6","2.32+18.04","2.32.3.2+18.04","2.32.5+18.04","2.32.8+18.04","2.32.9+18.04","2.33.1+18.04ubuntu2","2.34.2+18.04","2.34.2+18.04.1","2.37.1+18.04","2.37.1.1+18.04","2.37.4+18.04","2.37.4+18.04.1","2.38+18.04","2.39.2+18.04","2.40+18.04","2.42.1+18.04","2.45.1+18.04","2.45.1+18.04.2","2.46.1+18.04","2.47.1+18.04","2.48+18.04","2.48.3+18.04","2.49.2+18.04","2.51.1+18.04","2.54.2+18.04ubuntu1","2.54.3+18.04","2.54.3+18.04.2ubuntu0.1","2.54.3+18.04.2ubuntu0.2","2.55.5+18.04","2.57.5+18.04","2.57.5+18.04ubuntu0.1","2.58+18.04"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"snapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.58+20.04.1"}]}],"versions":["2.41+19.10.1","2.42.1+20.04","2.43.3+git1.8109f8","2.44~pre1+20.04","2.44+20.04","2.44.2+20.04","2.44.3+20.04","2.45.1+20.04","2.45.1+20.04.2","2.46.1+20.04","2.47.1+20.04","2.48+20.04","2.48.3+20.04","2.49.2+20.04","2.51.1+20.04ubuntu2","2.54.2+20.04ubuntu2","2.54.3+20.04","2.54.3+20.04.1","2.54.3+20.04.1ubuntu0.1","2.54.3+20.04.1ubuntu0.2","2.54.3+20.04.1ubuntu0.3","2.55.5+20.04","2.57.5+20.04","2.57.5+20.04ubuntu0.1","2.58+20.04"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"snapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.58+22.04.1"}]}],"versions":["2.53+21.10ubuntu1","2.54.2+22.04ubuntu1","2.54.2+22.04ubuntu2","2.54.2+22.04ubuntu3","2.54.3+git19.g868fc21+22.04","2.54.3+git26.g360067e+22.04","2.55.2+22.04","2.55.2+22.04.1","2.55.3+22.04","2.55.3+22.04ubuntu1","2.55.5+22.04","2.56.2+22.04ubuntu1","2.57.4+22.04","2.57.5+22.04","2.57.5+22.04ubuntu0.1","2.58+22.04"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"snapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.54.3+16.04.0ubuntu0.1~esm6"}]}],"versions":["1.9","1.9.1.1","1.9.2","2.0","2.0.1","2.0.2","2.0.3","2.0.5","2.0.8","2.0.9","2.0.10","2.11+0.16.04","2.12+0.16.04","2.13","2.14.2~16.04","2.15.2ubuntu1","2.16ubuntu3","2.17.1ubuntu1","2.20.1ubuntu1","2.21","2.22.2","2.22.3","2.22.6","2.23.1","2.24.1","2.25","2.26.10","2.27.5","2.28.5","2.29.4.2","2.32.3.2","2.3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ltd.","product":"snapd"}],"references":[{"url":"https://ubuntu.com/security/notices/USN-6125-1","tags":["vendor-advisory","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/snapcore/snapd/pull/12849","tags":["issue-tracking","x_transferred","Issue Tracking","Patch","report"]},{"url":"https://marc.info/?l=oss-security\u0026m=167879021709955\u0026w=2","tags":["mailing-list","x_transferred","Exploit","Mailing List","article","report"]},{"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1523","tags":["issue-tracking","x_transferred","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-1523","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-55wx-23fj-c2v5"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/1xxx/CVE-2023-1523.json","tags":["advisory"]},{"url":"https://github.com/snapcore/snapd","tags":["package"]},{"url":"https://github.com/snapcore/snapd/releases","tags":["package"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-1523","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-1523","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-1523","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-1523","description":"Using 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.","status":"published","published":"2023-09-01T18:41:47.82Z","modified":"2024-10-01T13:08:45.851Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"updated_at":"2026-11-02T14:35:31.657022Z"}],"euvd":[{"id":"EUVD-2023-23767","description":"Using 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.","status":"published","published":"2023-09-01T18:41:47Z","modified":"2024-10-01T13:08:45Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:28:01.909154Z"}],"ghsa":[{"id":"GHSA-55wx-23fj-c2v5","title":"Using the TIOCLINUX ioctl request, a malicious snap could inject contents into the input of the...","description":"Using 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.","status":"published","published":"2023-09-01T21:30:59Z","modified":"2024-04-04T07:22:15Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:56:50.902062Z"}],"nvd":[{"id":"CVE-2023-1523","description":"Using 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.","status":"published","published":"2023-09-01T19:15:42.707Z","modified":"2026-06-17T05:28:09.18Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:08:27.181588Z"}],"osv":[{"id":"CVE-2023-1523","description":"Using 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.","status":"published","published":"2023-09-01T18:41:47.82Z","modified":"2026-10-28T02:30:35.861634881Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:29.487253Z"},{"id":"DEBIAN-CVE-2023-1523","description":"Using 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.","status":"published","published":"2023-09-01T19:15:42.707Z","modified":"2026-10-26T18:01:17.786951686Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:39.369204Z"},{"id":"UBUNTU-CVE-2023-1523","description":"Using 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.","status":"published","published":"2023-05-25T00:00:00Z","modified":"2026-02-04T04:13:11.368402Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"},{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:54:18.756095Z"},{"id":"USN-6125-1","title":"snapd vulnerability","description":"It was discovered that the snap sandbox did not restrict the use of the\nioctl system call with a TIOCLINUX request. This could be exploited by a\nmalicious snap to inject commands into the controlling terminal which would\nthen be executed outside of the snap sandbox once the snap had exited. This\ncould allow an attacker to execute arbitrary commands outside of the\nconfined snap sandbox. Note: graphical terminal emulators like xterm,\ngnome-terminal and others are not affected - this can only be exploited\nwhen snaps are run on a virtual console.\n","status":"published","published":"2023-05-31T02:05:16Z","modified":"2026-06-25T13:32:05.837267689Z","updated_at":"2026-11-02T16:58:16.738762Z"}]}}