Date: Wed, 19 Nov 2014 14:15:56 -0500 From: Donald Stufft <donald@...fft.io> To: oss-security@...ts.openwall.com Subject: Re: Requesting a CVE for pip - Local DoS with predictable temp directory names > On Nov 17, 2014, at 3:29 PM, Donald Stufft <donald@...fft.io> wrote: > > I'd like to request a CVE for pip and I am a core developer for that > project. > > There is a local DoS in pip 1.3, 1.3.1, 1.4, 1.4.1, 1.5, 1.5.1, 1.5.2, 1.5.3, > 1.5.4, 1.5.5, and 1.5.6. In an attempt to fix CVE-2013-1888 pip modified it's > build directories from pip-build to pip-build-<username> and added in checks > that would ensure that only a directory owned by the current user would be > used. However because the build directory is predictable a local DoS is > possible simply by creating a /tmp/pip-build-<username>/ directory owned by > someone other than the defined user. This issue has also been reported to the > Debian bug tracker as https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=725847. > > This has been fixed in the develop branch of pip which will be released as > pip 6.0. > > I am not aware of any previous CVE for this issue. > >  https://pip.pypa.io/ >  https://pypi.python.org/pypi >  https://github.com/pypa/pip/pull/2122 > > --- > Donald Stufft > PGP: 7C6B 7C5D 5E2B 6356 A926 F04F 6E3C BCE9 3372 DCFA > ping? --- Donald Stufft PGP: 7C6B 7C5D 5E2B 6356 A926 F04F 6E3C BCE9 3372 DCFA
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