Vulnerability · Published Feb 7, 2023 · Assigned by mitre
CVE-2022-46663
High 7.5
In plain English
A high-severity security flaw in the less package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.4%top 27.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In GNU Less before 609, crafted data can result in "less -R" not filtering ANSI escape sequences sent to the terminal.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:9 | less | 590-2.el9_2 | ALSA-2023:3725 |
| Debian:12 | less | 590-1.2 | DEBIAN-CVE-2022-46663 |
| Debian:13 | less | 590-1.2 | DEBIAN-CVE-2022-46663 |
| Debian:14 | less | 590-1.2 | DEBIAN-CVE-2022-46663 |
| Rocky Linux:9 | less | 0:590-2.el9_2 | RLSA-2023:3725 |
| Ubuntu:22.04:LTS | less | 590-1ubuntu0.22.04.1 | USN-5848-1 |
| Ubuntu:22.04:LTS | less | 590-1ubuntu0.22.04.1 | UBUNTU-CVE-2022-46663 |
Affected products (as reported)
References
- https://github.com/gwsw/less/commit/a78e1351113cef564d790a730d657a321624d79c
- http://www.greenwoodsoftware.com/less/news.609.html
- https://www.openwall.com/lists/oss-security/2023/02/07/7
- [oss-security] 20230207 CVE-2022-46663: less -R filtering bypass mailing-list
- FEDORA-2023-71442d7613 vendor-advisory
- GLSA-202310-11 vendor-advisory