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GLSA
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Joined: 12 May 2004
Posts: 2072

PostPosted: Mon Apr 23, 2018 1:26 am    Post subject: [ GLSA 201804-18 ] tenshi Reply with quote

Gentoo Linux Security Advisory

Title: tenshi: Privilege escalation (GLSA 201804-18)
Severity: normal
Exploitable: local
Date: 2018-04-22
Bug(s): #626654
ID: 201804-18

Synopsis

Gentoo's tenshi ebuild is vulnerable to privilege escalation due to
the way pid files are handled.


Background

A log monitoring program, designed to watch one or more log files for
lines matching user defined regular expressions and report on the
matches.


Affected Packages

Package: app-admin/tenshi
Vulnerable: < 0.17
Unaffected: >= 0.17
Architectures: All supported architectures


Description

It was discovered that the tenshi ebuild creates a tenshi.pid file after
dropping privileges to a non-root account.


Impact

A local attacker could escalate privileges to root or kill arbitrary
processes.


Workaround

There is no known workaround at this time.

Resolution

All tenshi users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=app-admin/tenshi-0.17"
   


References

CVE-2017-11746
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