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[ GLSA 201310-17 ] pmake: Insecure temporary file usage
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GLSA
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PostPosted: Mon Oct 28, 2013 12:26 pm    Post subject: [ GLSA 201310-17 ] pmake: Insecure temporary file usage Reply with quote

Gentoo Linux Security Advisory

Title: pmake: Insecure temporary file usage (GLSA 201310-17)
Severity: low
Exploitable: local
Date: October 28, 2013
Bug(s): #367891
ID: 201310-17

Synopsis

pmake uses temporary files in an insecure manner, allowing for
symlink attacks.


Background

pmake is Debian’s version of NetBSD’s make, a tool to build programs
in parallel.


Affected Packages

Package: sys-devel/pmake
Vulnerable: < 1.111.3.1
Unaffected: >= 1.111.3.1
Architectures: All supported architectures


Description

/usr/share/mk/bsd.lib.mk and /usr/share/mk/bsd.prog.mk create temporary
files insecurely, with predictable names (/tmp/_depend[PID]), and
without using $TMPDIR.


Impact

The make include files allow local users to overwrite arbitrary files
via a symlink attack.


Workaround

There is no known workaround at this time.

Resolution

All pmake users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=sys-devel/pmake-1.111.3.1"
   


References

CVE-2011-1920


Last edited by GLSA on Fri Mar 21, 2014 4:34 am; edited 4 times in total
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