Description
In Zsh before 5.8, attackers able to execute commands can regain privileges dropped by the --no-PRIVILEGED option. Zsh fails to overwrite the saved uid, so the original privileges can be restored by executing MODULE_PATH=/dir/with/module zmodload with a module that calls setuid().
Published: 2020-02-24
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2117-1 zsh security update
Debian DLA Debian DLA DLA-2470-1 zsh security update
EUVD EUVD EUVD-2019-10600 In Zsh before 5.8, attackers able to execute commands can regain privileges dropped by the --no-PRIVILEGED option. Zsh fails to overwrite the saved uid, so the original privileges can be restored by executing MODULE_PATH=/dir/with/module zmodload with a module that calls setuid().
Ubuntu USN Ubuntu USN USN-5325-1 Zsh vulnerabilities
History

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Apple Ipados Iphone Os Mac Os X Macos Tvos Watchos
Debian Debian Linux
Fedoraproject Fedora
Linux Linux Kernel
Redhat Enterprise Linux Rhel E4s
Zsh Zsh
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T02:32:10.480Z

Reserved: 2019-12-27T00:00:00.000Z

Link: CVE-2019-20044

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-02-24T14:15:11.667

Modified: 2024-11-21T04:37:56.997

Link: CVE-2019-20044

cve-icon Redhat

Severity : Important

Publid Date: 2020-02-16T00:00:00Z

Links: CVE-2019-20044 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses