Executive Summary
| Summary | |
|---|---|
| Title | zsh security update |
| Informations | |||
|---|---|---|---|
| Name | RHSA-2020:0903 | First vendor Publication | 2020-03-19 |
| Vendor | RedHat | Last vendor Modification | 2020-03-19 |
| Severity (Vendor) | N/A | Revision | 01 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 7.8 | ||
| Base Score | 7.8 | Environmental Score | 7.8 |
| impact SubScore | 5.9 | Temporal Score | 7.8 |
| Exploitabality Sub Score | 1.8 | ||
| Attack Vector | Local | Attack Complexity | Low |
| Privileges Required | Low | User Interaction | None |
| Scope | Unchanged | Confidentiality Impact | High |
| Integrity Impact | High | Availability Impact | High |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:L/AC:L/Au:N/C:C/I:C/A:C) | |||
|---|---|---|---|
| Cvss Base Score | 7.2 | Attack Range | Local |
| Cvss Impact Score | 10 | Attack Complexity | Low |
| Cvss Expoit Score | 3.9 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| Problem Description: An update for zsh is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux AppStream (v. 8) - noarch Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64 3. Description: 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: insecure dropping of privileges when unsetting PRIVILEGED option (CVE-2019-20044) 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. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1804859 - CVE-2019-20044 zsh: insecure dropping of privileges when unsetting PRIVILEGED option |
Original Source
| Url : https://rhn.redhat.com/errata/RHSA-2020-0903.html |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-273 | Improper Check for Dropped Privileges |
CPE : Common Platform Enumeration
Alert History
| Date | Informations |
|---|---|
| 2024-11-12 07:00:46 |
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