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Sicherheit: Mehrere Probleme in Clam Antivirus
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Clam Antivirus
ID: FEDORA-2018-958b22c73f
Distribution: Fedora
Plattformen: Fedora 26
Datum: Di, 6. Februar 2018, 16:33
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6418
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12379
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12378
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12380
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12377
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6420
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12374
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6419
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12376
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12375
Applikationen: Clam Antivirus

Originalnachricht

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Fedora Update Notification
FEDORA-2018-958b22c73f
2018-02-06 10:46:27.958382
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Name : clamav
Product : Fedora 26
Version : 0.99.3
Release : 1.fc26
URL : http://www.clamav.net
Summary : End-user tools for the Clam Antivirus scanner
Description :
Clam AntiVirus is an anti-virus toolkit for UNIX. The main purpose of this
software is the integration with mail servers (attachment scanning). The
package provides a flexible and scalable multi-threaded daemon, a command
line scanner, and a tool for automatic updating via Internet. The programs
are based on a shared library distributed with the Clam AntiVirus package,
which you can use with your own software. The virus database is based on
the virus database from OpenAntiVirus, but contains additional signatures
(including signatures for popular polymorphic viruses, too) and is KEPT UP
TO DATE.

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Update Information:

ClamAV 0.99.3 ============= This release is a security release and is
recommended for all ClamAV users. Please see details below: 1. ClamAV UAF
(use-after-free) Vulnerabilities (CVE-2017-12374)
--------------------------------------------------------------- The ClamAV
AntiVirus software versions 0.99.2 and prior contain a vulnerability that could
allow an unauthenticated, remote attacker to cause a denial of service (DoS)
condition on an affected device. The vulnerability is due to a lack of input
validation checking mechanisms during certain mail parsing operations. If
successfully exploited, the ClamAV software could allow a variable pointing to
the mail body which could cause a used after being free (use-after-free)
instance which may lead to a disruption of services on an affected device to
include a denial of service condition. *
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H *
https://bugzilla.clamav.net/show_bug.cgi?id=11939 2. ClamAV Buffer Overflow
Vulnerability (CVE-2017-12375)
-------------------------------------------------------- The ClamAV AntiVirus
software versions 0.99.2 and prior contain a vulnerability that could allow an
unauthenticated, remote attacker to cause a denial of service (DoS) condition
on
an affected device. The vulnerability is due to a lack of input validation
checking mechanisms during certain mail parsing functions. An unauthenticated,
remote attacker could exploit this vulnerability by sending a crafted email to
the affected device. This action could cause a buffer overflow condition when
ClamAV scans the malicious email, allowing the attacker to potentially cause a
DoS condition on an affected device. *
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N /A:L *
https://bugzilla.clamav.net/show_bug.cgi?id=11940 3. ClamAV Buffer Overflow in
handle_pdfname Vulnerability (CVE-2017-12376)
--------------------------------------------------------------------------
ClamAV AntiVirus software versions 0.99.2 and prior contain a vulnerability
that
could allow an unauthenticated, remote attacker to cause a denial of service
(DoS) condition or potentially execute arbitrary code on an affected device.
The vulnerability is due to improper input validation checking mechanisms when
handling Portable Document Format (.pdf) files sent to an affected device. An
unauthenticated, remote attacker could exploit this vulnerability by sending a
crafted .pdf file to an affected device. This action could cause a buffer
overflow when ClamAV scans the malicious file, allowing the attacker to cause a
DoS condition or potentially execute arbitrary code. *
https://bugzilla.clamav.net/show_bug.cgi?id=11942 *
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 4. ClamAV Mew Packet Heap
Overflow Vulnerability (CVE-2017-12377)
----------------------------------------------------------------- ClamAV
AntiVirus software versions 0.99.2 and prior contain a vulnerability that could
allow an unauthenticated, remote attacker to cause a denial of service (DoS)
condition or potentially execute arbitrary code on an affected device. The
vulnerability is due to improper input validation checking mechanisms in mew
packet files sent to an affected device. A successful exploit could cause a
heap
overflow condition when ClamAV scans the malicious file, allowing the attacker
to cause a DoS condition or potentially execute arbitrary code on the affected
device. * https://bugzilla.clamav.net/show_bug.cgi?id=11943 *
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L /A:L 5. ClamAV Buffer Over Read
Vulnerability (CVE-2017-12378)
--------------------------------------------------------- ClamAV AntiVirus
software versions 0.99.2 and prior contain a vulnerability that could allow an
unauthenticated, remote attacker to cause a denial of service (DoS) condition
on
an affected device. The vulnerability is due to improper input validation
checking mechanisms of .tar (Tape Archive) files sent to an affected device. A
successful exploit could cause a buffer over-read condition when ClamAV scans
the malicious .tar file, potentially allowing the attacker to cause a DoS
condition on the affected device. *
https://bugzilla.clamav.net/show_bug.cgi?id=11946 *
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N /A:L 6. ClamAV Buffer Overflow in
messageAddArgument Vulnerability (CVE-2017-12379)
------------------------------------------------------------------------------
ClamAV AntiVirus software versions 0.99.2 and prior contain a vulnerability
that
could allow an unauthenticated, remote attacker to cause a denial of service
(DoS) condition or potentially execute arbitrary code on an affected device.
The vulnerability is due to improper input validation checking mechanisms in
the
message parsing function on an affected system. An unauthenticated, remote
attacker could exploit this vulnerability by sending a crafted email to the
affected device. This action could cause a buffer overflow condition when
ClamAV
scans the malicious email, allowing the attacker to potentially cause a DoS
condition or execute arbitrary code on an affected device. *
https://bugzilla.clamav.net/show_bug.cgi?id=11944 *
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L /A:L 7. ClamAV Null Dereference
Vulnerability (CVE-2017-12380)
--------------------------------------------------------- ClamAV AntiVirus
software versions 0.99.2 and prior contain a vulnerability that could allow an
unauthenticated, remote attacker to cause a denial of service (DoS) condition
on
an affected device. The vulnerability is due to improper input validation
checking mechanisms during certain mail parsing functions of the ClamAV
software. An unauthenticated, remote attacker could exploit this vulnerability
by sending a crafted email to the affected device. An exploit could trigger a
NULL pointer dereference condition when ClamAV scans the malicious email, which
may result in a DoS condition. *
https://bugzilla.clamav.net/show_bug.cgi?id=11945 *
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Further fixes/changes
--------------------- Also included are 2 minor fixes to properly detect
openssl install locations on FreeBSD 11, and prevent false warnings about zlib
1.2.1# version numbers.
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References:

[ 1 ] Bug #1483910 - CVE-2017-6420 clamav: use-after-free in wwunpack
function
https://bugzilla.redhat.com/show_bug.cgi?id=1483910
[ 2 ] Bug #1483909 - CVE-2017-6419 libmspack, clamav: heap-based buffer
overflow in mspack/lzxd.c
https://bugzilla.redhat.com/show_bug.cgi?id=1483909
[ 3 ] Bug #1483908 - CVE-2017-6418 clamav: out-of-bounds read in
libclamav/message.c
https://bugzilla.redhat.com/show_bug.cgi?id=1483908
[ 4 ] Bug #1539863 - CVE-2017-12374 CVE-2017-12375 CVE-2017-12376
CVE-2017-12377 CVE-2017-12378 CVE-2017-12379 CVE-2017-12380 clamav: Multiple vulnerabilities fixed in 0.99.3
https://bugzilla.redhat.com/show_bug.cgi?id=1539863
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade clamav' at the command line.
For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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