invisible-island xterm vulnerabilities and exploits

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xterm prior to 380 supports ReGIS reporting for character-set names even if they have unexpected characters (i.e., neither alphanumeric nor underscore), aka a pointer/overflow issue. This can only occur for xterm installations that are configured at compile time to use a certain ...

Invisible-island Xterm

xterm prior to 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.

Invisible-island Xterm Fedoraproject Fedora 35 Fedoraproject Fedora 36 Fedoraproject Fedora 37

xterm through Patch 370, when Sixel support is enabled, allows malicious users to trigger a buffer overflow in set_sixel in graphics_sixel.c via crafted text.

Invisible-island Xterm Debian Debian Linux 9.0 Fedoraproject Fedora 34 Fedoraproject Fedora 35

xterm before Patch #366 allows remote malicious users to execute arbitrary code or cause a denial of service (segmentation fault) via a crafted UTF-8 combining character sequence.

Invisible-island Xterm Debian Debian Linux 9.0 Fedoraproject Fedora 33

2 Github repositories

The default configuration of xterm on Debian GNU/Linux sid and possibly Ubuntu enables the allowWindowOps resource, which allows user-assisted malicious users to execute arbitrary code or have unspecified other impact via escape sequences.

Invisible-island Xterm Nil

1 EDB exploit

CRLF injection vulnerability in xterm allows user-assisted malicious users to execute arbitrary commands via LF (aka \n) characters surrounding a command name within a Device Control Request Status String (DECRQSS) escape sequence in a text file, a related issue to CVE-2003-0063 ...

Invisible-island Xterm Nil

1 Github repository

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