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Mandriva Linux Security Advisory 2009-309

Mandriva Linux Security Advisory 2009-309
Posted Dec 3, 2009
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2009-309 - Requesting peer information from a malicious remote time server may lead to an unexpected application termination or arbitrary code execution. A buffer overflow flaw was discovered in the ntpd daemon's NTPv4 authentication code. If ntpd was configured to use public key cryptography for NTP packet authentication, a remote attacker could use this flaw to send a specially-crafted request packet that could crash ntpd. Packages for 2008.0 are being provided due to extended support for Corporate products. The updated packages have been patched to prevent this.

tags | advisory, remote, overflow, arbitrary, code execution
systems | linux, mandriva
advisories | CVE-2009-0159, CVE-2009-1252
SHA-256 | 569d44718c363b879165cccc2876ddae82c144ec8ac5703c54ea660ec473034e

Mandriva Linux Security Advisory 2009-309

Change Mirror Download

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

_______________________________________________________________________

Mandriva Linux Security Advisory MDVSA-2009:309
http://www.mandriva.com/security/
_______________________________________________________________________

Package : ntp
Date : December 3, 2009
Affected: 2008.0
_______________________________________________________________________

Problem Description:

Multiple vulnerabilities has been found and corrected in ntp:

Requesting peer information from a malicious remote time server
may lead to an unexpected application termination or arbitrary code
execution (CVE-2009-0159).

A buffer overflow flaw was discovered in the ntpd daemon's NTPv4
authentication code. If ntpd was configured to use public key
cryptography for NTP packet authentication, a remote attacker could
use this flaw to send a specially-crafted request packet that could
crash ntpd (CVE-2009-1252).

Packages for 2008.0 are being provided due to extended support for
Corporate products.

The updated packages have been patched to prevent this.
_______________________________________________________________________

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0159
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1252
_______________________________________________________________________

Updated Packages:

Mandriva Linux 2008.0:
ce17e1c2cf64b1181b1172f3933fe705 2008.0/i586/ntp-4.2.4-10.2mdv2008.0.i586.rpm
66baede7d5a42d16d19639148f5e4d52 2008.0/i586/ntp-client-4.2.4-10.2mdv2008.0.i586.rpm
f708723a1ab549c987ad64fa2862eb80 2008.0/i586/ntp-doc-4.2.4-10.2mdv2008.0.i586.rpm
fb352aa8910f1bc1319df986769d15ab 2008.0/SRPMS/ntp-4.2.4-10.2mdv2008.0.src.rpm

Mandriva Linux 2008.0/X86_64:
b8519fa3b101a246d35d173745267d6c 2008.0/x86_64/ntp-4.2.4-10.2mdv2008.0.x86_64.rpm
dd862d4411bfee35041267817e1e2f0e 2008.0/x86_64/ntp-client-4.2.4-10.2mdv2008.0.x86_64.rpm
c38355a0069bc68c50e48726bd5d04e7 2008.0/x86_64/ntp-doc-4.2.4-10.2mdv2008.0.x86_64.rpm
fb352aa8910f1bc1319df986769d15ab 2008.0/SRPMS/ntp-4.2.4-10.2mdv2008.0.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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