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Debian Security Advisory DSA-3289-1                   security@debian.org
https://www.debian.org/security/                            Ben Hutchings
June 15, 2015                         https://www.debian.org/security/faq
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Package        : p7zip
CVE ID         : CVE-2015-1038
Debian Bug     : 774660

Alexander Cherepanov discovered that p7zip is susceptible to a
directory traversal vulnerability.  While extracting an archive, it
will extract symlinks and then follow them if they are referenced in
further entries.  This can be exploited by a rogue archive to write
files outside the current directory.

For the oldstable distribution (wheezy), this problem has been fixed
in version 9.20.1~dfsg.1-4+deb7u1.

For the stable distribution (jessie), this problem has been fixed in
version 9.20.1~dfsg.1-4.1+deb8u1.

For the unstable distribution (sid), this problem has been fixed in
version 9.20.1~dfsg.1-4.2.

We recommend that you upgrade your p7zip packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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