Summary
Sam Foxman discovered that Zsh incorrectly handled certain inputs.
An attacker could possibly use this issue to regain dropped privileges.
(CVE-2019-20044)
It was discovered that Zsh incorrectly handled certain inputs.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2021-45444)
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 18.04 LTS 18.04:LTS | zsh | 5.4.2-3ubuntu3.2 |
| Ubuntu · 20.04 LTS 20.04:LTS | zsh | 5.8-3ubuntu1.1 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | zsh | 5.1.1-1ubuntu2.3+esm1 |
Vulnerabilities 2
-
Unscored —
In Zsh before 5.8, attackers able to execute commands can regain privileges dropped by the --no-PRIVILEGED option. Zsh …
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Unscored —
In zsh before 5.8.1, an attacker can achieve code execution if they control a command output inside the prompt, as demo…