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CVE-2022-45063

Published: 10 November 2022

xterm before 375 allows code execution via font ops, e.g., because an OSC 50 response may have Ctrl-g and therefore lead to command execution within the vi line-editing mode of Zsh. NOTE: font ops are not allowed in the xterm default configurations of some Linux distributions.

Notes

AuthorNote
eslerm
disabled by default, see 904_fontops.diff and 902_windowops.diff

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
xterm
Launchpad, Ubuntu, Debian
bionic Ignored
(code-not-compiled)
focal Ignored
(code-not-compiled)
lunar Not vulnerable
(379-1ubuntu1)
trusty Ignored
(end of standard support)
upstream
Released (375-1)
jammy Ignored
(code-not-compiled)
xenial Ignored
(code-not-compiled)
kinetic Ignored
(end of life, was ignored [code-not-compiled])

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H