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Debian Security Advisory 2861-1

Debian Security Advisory 2861-1
Posted Feb 18, 2014
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2861-1 - It was discovered that file, a file type classification tool, contains a flaw in the handling of "indirect" magic rules in the libmagic library, which leads to an infinite recursion when trying to determine the file type of certain files. The Common Vulnerabilities and Exposures project ID CVE-2014-1943 has been assigned to identify this flaw. Additionally, other well-crafted files might result in long computation times (while using 100% CPU) and overlong results.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2014-1943
MD5 | 3251fbdf4a66d888be72aa1290710f30

Debian Security Advisory 2861-1

Change Mirror Download
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- -------------------------------------------------------------------------
Debian Security Advisory DSA-2861-1 security@debian.org
http://www.debian.org/security/ Salvatore Bonaccorso
February 16, 2014 http://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : file
Vulnerability : denial of service
CVE ID : CVE-2014-1943
Debian Bug : 738832

It was discovered that file, a file type classification tool, contains a
flaw in the handling of "indirect" magic rules in the libmagic library,
which leads to an infinite recursion when trying to determine the file
type of certain files. The Common Vulnerabilities and Exposures project
ID CVE-2014-1943 has been assigned to identify this flaw. Additionally,
other well-crafted files might result in long computation times (while
using 100% CPU) and overlong results.

For the oldstable distribution (squeeze), this problem has been fixed in
version 5.04-5+squeeze3.

For the stable distribution (wheezy), this problem has been fixed in
version 5.11-2+deb7u1.

For the unstable distribution (sid), this problem will be fixed soon.

We recommend that you upgrade your file packages.

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

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