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GLSA
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Joined: 12 May 2004
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PostPosted: Wed May 23, 2018 1:26 am    Post subject: [ GLSA 201805-09 ] Shadow Reply with quote

Gentoo Linux Security Advisory

Title: Shadow: security bypass (GLSA 201805-09)
Severity: normal
Exploitable: remote
Date: 2018-05-22
Bug(s): #647790
ID: 201805-09

Synopsis

A vulnerability found in Shadow may allow local attackers to bypass
security restrictions.


Background

Shadow is a set of tools to deal with user accounts.

Affected Packages

Package: sys-apps/shadow
Vulnerable: < 4.6
Unaffected: >= 4.6
Architectures: All supported architectures


Description

A local attacker could possibly bypass security restrictions if an
administrator used “group blacklisting” to restrict access to file
system paths.


Impact

A local attacker could possibly bypass security restrictions.

Workaround

There is no known workaround at this time.

Resolution

All shadow users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=sys-apps/shadow-4.6"
   


References

CVE-2018-7169
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