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[ GLSA 201406-30 ] sudo: Privilege escalation
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PostPosted: Fri Jun 27, 2014 10:26 am    Post subject: [ GLSA 201406-30 ] sudo: Privilege escalation Reply with quote

Gentoo Linux Security Advisory

Title: sudo: Privilege escalation (GLSA 201406-30)
Severity: high
Exploitable: local
Date: June 27, 2014
Bug(s): #503586
ID: 201406-30

Synopsis

A vulnerability has been found in sudo allowing a local attacker to
gain elevated privileges.


Background

sudo allows a system administrator to give users the ability to run
commands as other users. Access to commands may also be granted on a
range to hosts.


Affected Packages

Package: app-admin/sudo
Vulnerable: < 1.8.5
Unaffected: >= 1.8.5
Unaffected: < 1.6.9
Architectures: All supported architectures


Description

When the Sudo env_reset option is disabled (it is enabled by default),
certain environment variables are not blacklisted as expected.


Impact

A local attacker, authorized to run commands using sudo, can use this
flaw to execute arbitrary code or escalate his privileges.


Workaround

There is no known workaround at this time.

Resolution

All sudo users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=app-admin/sudo-1.8.5"
   


References

CVE-2014-0106
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