AlmaLinuxALSA-2022:2120Moderate: zsh security update
5.1 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:H/Au:N/C:P/I:P/A:P
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
38.5%
The zsh shell is a command interpreter usable as an interactive login shell and as a shell script command processor. Zsh resembles the ksh shell (the Korn shell), but includes many enhancements. Zsh supports command-line editing, built-in spelling correction, programmable command completion, shell functions (with autoloading), a history mechanism, and more.
Security Fix(es):
- zsh: Prompt expansion vulnerability (CVE-2021-45444)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| almalinux | 8 | noarch | zsh-html | < 5.5.1-9.el8 | zsh-html-5.5.1-9.el8.noarch.rpm |
| almalinux | 8 | x86_64 | zsh | < 5.5.1-9.el8 | zsh-5.5.1-9.el8.x86_64.rpm |
| almalinux | 8 | aarch64 | zsh | < 5.5.1-9.el8 | zsh-5.5.1-9.el8.aarch64.rpm |
| almalinux | 8 | ppc64le | zsh | < 5.5.1-9.el8 | zsh-5.5.1-9.el8.ppc64le.rpm |
Related
5.1 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:H/Au:N/C:P/I:P/A:P
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
38.5%