VulnerabilityModified
CVE-2022-45063
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.
CRITICAL 9.8EPSS 5.42%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 5.42% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-77
- Affected
- invisible-island/xterm · fedoraproject/fedora
- Source
- cve@mitre.org
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
- http://www.openwall.com/lists/oss-security/2024/06/15/1
- http://www.openwall.com/lists/oss-security/2024/06/17/1
- https://invisible-island.net/xterm/xterm.log.htmlRelease Notes, Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4TPVNTYFFWNTGZJJQAA4MGGFSTXA4XEA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5T2JI5JCHPTXX2KJU45H2XAHQSFVEJ2Y/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IVD3I2ZFXGOY6BA2FNS7WPFMPFBDHFWC/
- 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
- http://www.openwall.com/lists/oss-security/2024/06/15/1
- http://www.openwall.com/lists/oss-security/2024/06/17/1
- http://www.openwall.com/lists/oss-security/2026/04/08/1
- http://www.openwall.com/lists/oss-security/2026/04/08/10
- https://invisible-island.net/xterm/xterm.log.htmlRelease Notes, Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4TPVNTYFFWNTGZJJQAA4MGGFSTXA4XEA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5T2JI5JCHPTXX2KJU45H2XAHQSFVEJ2Y/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IVD3I2ZFXGOY6BA2FNS7WPFMPFBDHFWC/
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.