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Message-Id: <69E0999E-9C6E-4EE1-BA81-DB9D751D8919@stufft.io>
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[1][2] 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[3] 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.
>
> [1] https://pip.pypa.io/
> [2] https://pypi.python.org/pypi
> [3] 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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