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Date: Thu, 12 Feb 2015 09:33:28 -0500 (EST)
From: cve-assign@...re.org
To: Helmut Grohne <helmut@...divi.de>
cc: oss-security@...ts.openwall.com,
Victor Seva <linuxmaniac@...reviejawireless.org>, cve-assign@...re.org
Subject: Re: kamailio: multiple /tmp file vulnerabilities
> There are multiple /tmp file vulnerabilities to be found in the kamailio
> SIP proxy. While many of these issues only affect configuration examples
> or outdated components, some do affect the default configuration.
>
> Initial disclosures:
> http://bugs.debian.org/712083 (2013)
> http://bugs.debian.org/775681 (2015)
> Upstream issue:
> https://github.com/kamailio/kamailio/issues/48
>
> At this point, three issues are well understood:
> * The kamctl administrative utility and default configuration would use
> /tmp/kamailio_fifo (#712083, 2013, fixed in Debian's kamailio
> 4.0.2-1).
Use CVE-2013-7426.
> * The kamcmd administrative utility and default configuration would use
> /tmp/kamailio_ctl (#775681, 2015, patch available).
Use CVE-2015-1590.
> * The kamailio build process would use constant filenames in /tmp
> allowing to elevate privileges to the build user (#775681, 2015,
> patch available).
Use CVE-2015-1591.
> The combined patch can be found at:
> https://bugs.debian.org/cgi-bin/bugreport.cgi?msg=17;filename=0001-fix-fifo-and-ctl-defaults-pointing-to-unsecure-tmp-d.patch;att=1;bug=775681
>
> While the last issue definitely affects the upstream kamailio build,
> arguably the first two issues are packaging specific. If they are
> treated as such, it is worth noting that kamailio was never part of a
> Debian stable release and thus this may not be worth issuing a CVE.
>
> I would like to thank Victor Seva for his timely responses, kind
> interaction and providing patches for all of these issues.
>
> Helmut
---
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