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Date: Sun, 04 Feb 2018 20:42:26 +0000
From: Salvatore Bonaccorso <carnil@...ian.org>
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 4104-1] p7zip security update

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- -------------------------------------------------------------------------
Debian Security Advisory DSA-4104-1                   security@...ian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
February 04, 2018                     https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package        : p7zip
CVE ID         : CVE-2017-17969
Debian Bug     : 888297

'landave' discovered a heap-based buffer overflow vulnerability in the
NCompress::NShrink::CDecoder::CodeReal method in p7zip, a 7zr file
archiver with high compression ratio. A remote attacker can take
advantage of this flaw to cause a denial-of-service or, potentially the
execution of arbitrary code with the privileges of the user running
p7zip, if a specially crafted shrinked ZIP archive is processed.

For the oldstable distribution (jessie), this problem has been fixed
in version 9.20.1~dfsg.1-4.1+deb8u3.

For the stable distribution (stretch), this problem has been fixed in
version 16.02+dfsg-3+deb9u1.

We recommend that you upgrade your p7zip packages.

For the detailed security status of p7zip please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/p7zip

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@...ts.debian.org
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