CVE-2022-45063
Last modified
CVE-2022-45063 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 4.95% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Invisible-Island | Xterm | < 375 |
| Fedoraproject | Fedora | 35 |
| Fedoraproject | Fedora | 36 |
| Fedoraproject | Fedora | 37 |
References
- http://www.openwall.com/lists/oss-security/2022/11/10/1Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/11/10/5Mailing List, Patch, Third Party Advisory
- https://invisible-island.net/xterm/xterm.log.htmlRelease Notes, Vendor Advisory
- https://news.ycombinator.com/item?id=33546415Exploit, Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202211-09Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/11/10/1Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/11/10/1Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/11/10/5Mailing List, Patch, Third Party Advisory
- https://invisible-island.net/xterm/xterm.log.htmlRelease Notes, Vendor Advisory
- https://news.ycombinator.com/item?id=33546415Exploit, Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202211-09Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/11/10/1Mailing List, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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