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Sicherheit: Denial of Service in dhcp
Aktuelle Meldungen Distributionen
Name: Denial of Service in dhcp
ID: MDVSA-2012:153-1
Distribution: Mandriva
Plattformen: Keine Angabe
Datum: Di, 2. Oktober 2012, 18:01
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3955
https://kb.isc.org/article/AA-00779
Applikationen: ISC DHCP

Originalnachricht

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_______________________________________________________________________

Mandriva Linux Security Advisory MDVSA-2012:153-1
http://www.mandriva.com/security/
_______________________________________________________________________

Package : dhcp
Date : October 2, 2012
Affected: 2011.
_______________________________________________________________________

Problem Description:

A security issue was identified and fixed in dhcp:

ISC DHCP 4.1.x before 4.1-ESV-R7 and 4.2.x before 4.2.4-P2 allows
remote attackers to cause a denial of service (daemon crash)
in opportunistic circumstances by establishing an IPv6 lease in
an environment where the lease expiration time is later reduced
(CVE-2012-3955).

The updated packages have been patched to correct this issue.

Update:

Packages for Mandriva Linux 2011 is being provided.

The updated packages have been upgraded to dhcp 4.2.4-P2 which is
not vulnerable to this issue.
_______________________________________________________________________

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3955
https://kb.isc.org/article/AA-00779
_______________________________________________________________________

Updated Packages:

Mandriva Linux 2011:
2fcc769d84e43b66cb386786b8c3fee0
2011/i586/dhcp-client-4.2.4-0.P2.0.1-mdv2011.0.i586.rpm
66a3bcce42ae48736cb8253212c7eb96
2011/i586/dhcp-common-4.2.4-0.P2.0.1-mdv2011.0.i586.rpm
30027b4ef67fa659ac4ff1e7dcfc5479
2011/i586/dhcp-devel-4.2.4-0.P2.0.1-mdv2011.0.i586.rpm
e7bef4689915a0fd123bbe6cedc4c289
2011/i586/dhcp-doc-4.2.4-0.P2.0.1-mdv2011.0.i586.rpm
a452f75cd1b1aa88095fca4f0b437b94
2011/i586/dhcp-relay-4.2.4-0.P2.0.1-mdv2011.0.i586.rpm
7b8c69543e9d3e8c756d791b054d11e0
2011/i586/dhcp-server-4.2.4-0.P2.0.1-mdv2011.0.i586.rpm
f5fc431c0e8c1995191ef11ecc0aaa15 2011/SRPMS/dhcp-4.2.4-0.P2.0.1.src.rpm

Mandriva Linux 2011/X86_64:
a95f54f1f4d965fcf21497f072d664d0
2011/x86_64/dhcp-client-4.2.4-0.P2.0.1-mdv2011.0.x86_64.rpm
7085ed104ef6341d4f975a31c333203f
2011/x86_64/dhcp-common-4.2.4-0.P2.0.1-mdv2011.0.x86_64.rpm
b2dbbeff1e2cff794afe95ca06f6d41d
2011/x86_64/dhcp-devel-4.2.4-0.P2.0.1-mdv2011.0.x86_64.rpm
f50177991a1326b1cc3bc3dc610e5ac6
2011/x86_64/dhcp-doc-4.2.4-0.P2.0.1-mdv2011.0.x86_64.rpm
f1b695af971ce898fa7079bad8a965f3
2011/x86_64/dhcp-relay-4.2.4-0.P2.0.1-mdv2011.0.x86_64.rpm
0e7809a34e959074d3d2721315c1d3c0
2011/x86_64/dhcp-server-4.2.4-0.P2.0.1-mdv2011.0.x86_64.rpm
f5fc431c0e8c1995191ef11ecc0aaa15 2011/SRPMS/dhcp-4.2.4-0.P2.0.1.src.rpm
_______________________________________________________________________

To upgrade automatically use MandrivaUpdate or urpmi. The verification
of md5 checksums and GPG signatures is performed automatically for you.

All packages are signed by Mandriva for security. You can obtain the
GPG public key of the Mandriva Security Team by executing:

gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

You can view other update advisories for Mandriva Linux at:

http://www.mandriva.com/security/advisories

If you want to report vulnerabilities, please contact

security_(at)_mandriva.com
_______________________________________________________________________

Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Mandriva Security Team
<security*mandriva.com>
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_______________________________________________________
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