Incorrect Permission Assignment for Critical Resource Affecting shadow package, versions *


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-DEBIAN9-SHADOW-539860
  • published26 Dec 2019
  • disclosed18 Dec 2019

Introduced: 18 Dec 2019

CVE-2019-19882  (opens in a new tab)
CWE-732  (opens in a new tab)

How to fix?

There is no fixed version for Debian:9 shadow.

NVD Description

Note: Versions mentioned in the description apply only to the upstream shadow package and not the shadow package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

shadow 4.8, in certain circumstances affecting at least Gentoo, Arch Linux, and Void Linux, allows local users to obtain root access because setuid programs are misconfigured. Specifically, this affects shadow 4.8 when compiled using --with-libpam but without explicitly passing --disable-account-tools-setuid, and without a PAM configuration suitable for use with setuid account management tools. This combination leads to account management tools (groupadd, groupdel, groupmod, useradd, userdel, usermod) that can easily be used by unprivileged local users to escalate privileges to root in multiple ways. This issue became much more relevant in approximately December 2019 when an unrelated bug was fixed (i.e., the chmod calls to suidusbins were fixed in the upstream Makefile which is now included in the release version 4.8).

CVSS Scores

version 3.1