U radu programskog paketa libxml2 uočen je sigurnosni nedostatak kojeg udaljeni napadač može iskoristiti za izvođenje napada uskraćivanjem usluge (eng. Denial of Sevice attack, DoS).
Paket:
libxml 2.x
Operacijski sustavi:
Mandriva Linux 2011, Mandriva Linux Enterprise Server 5.0
Kritičnost:
10
Problem:
cjelobrojno prepisivanje
Iskorištavanje:
udaljeno
Posljedica:
uskraćivanje usluga (DoS)
Rješenje:
programska zakrpa proizvođača
CVE:
CVE-2012-2807
Izvorni ID preporuke:
MDVSA-2012:126
Izvor:
Mandriva
Problem:
Propust je posljedica višestrukih cjelobrojnih prepisivanja, a javlja se na 64-bitnim Linux platformama.
Posljedica:
Navedeni nedostatak moguće je iskoristiti za pokretanje DoS napada ili drugih nepoznatih napada putem nespecificiranih vektora.
Rješenje:
Kako bi se zaštitili, korisnicima se savjetuje korištenje odgovarajuće programske nadogradnje.
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_______________________________________________________________________
Mandriva Linux Security Advisory MDVSA-2012:126
http://www.mandriva.com/security/
_______________________________________________________________________
Package : libxml2
Date : August 6, 2012
Affected: 2011., Enterprise Server 5.0
_______________________________________________________________________
Problem Description:
A vulnerability was found and corrected in libxml2:
Multiple integer overflows in libxml2, on 64-bit Linux platforms
allow remote attackers to cause a denial of service or possibly have
unspecified other impact via unknown vectors (CVE-2012-2807).
The updated packages have been patched to correct this issue.
_______________________________________________________________________
References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2807
_______________________________________________________________________
Updated Packages:
Mandriva Linux 2011:
a34f4247ab539136e16916c83bd2758f
2011/i586/libxml2_2-2.7.8-6.7-mdv2011.0.i586.rpm
40ddd749a6038d044c71f890f0782a1f
2011/i586/libxml2-devel-2.7.8-6.7-mdv2011.0.i586.rpm
d2fc8917666fab027a2debe7daf6897c
2011/i586/libxml2-python-2.7.8-6.7-mdv2011.0.i586.rpm
79a5613b8cf588d42c97872da442df83
2011/i586/libxml2-utils-2.7.8-6.7-mdv2011.0.i586.rpm
d19ff2c9c701f17de1578652c9678d53 2011/SRPMS/libxml2-2.7.8-6.7.src.rpm
Mandriva Linux 2011/X86_64:
efcc5f822358faed7ae87514348ad705
2011/x86_64/lib64xml2_2-2.7.8-6.7-mdv2011.0.x86_64.rpm
81d48c94ec1c3a29928b3752ba8b2c51
2011/x86_64/lib64xml2-devel-2.7.8-6.7-mdv2011.0.x86_64.rpm
32566f11c13d8f0fda2fa89da771bc8c
2011/x86_64/libxml2-python-2.7.8-6.7-mdv2011.0.x86_64.rpm
0c58644d640f2106a285daa42c3d4830
2011/x86_64/libxml2-utils-2.7.8-6.7-mdv2011.0.x86_64.rpm
d19ff2c9c701f17de1578652c9678d53 2011/SRPMS/libxml2-2.7.8-6.7.src.rpm
Mandriva Enterprise Server 5:
e8095d67b008da5b2e3bef38fd9e0290
mes5/i586/libxml2_2-2.7.1-1.13mdvmes5.2.i586.rpm
99bf4be8f8709419c12e17e620c6a8d1
mes5/i586/libxml2-devel-2.7.1-1.13mdvmes5.2.i586.rpm
c19f10f26c864bf655bc26dadb4646a0
mes5/i586/libxml2-python-2.7.1-1.13mdvmes5.2.i586.rpm
be4bf5c770d10ff5234df1ef477a259a
mes5/i586/libxml2-utils-2.7.1-1.13mdvmes5.2.i586.rpm
50cf43a948bc80027049d0d47f12db8a
mes5/SRPMS/libxml2-2.7.1-1.13mdvmes5.2.src.rpm
Mandriva Enterprise Server 5/X86_64:
6069aa4860687f07f818a0545dfcb9ac
mes5/x86_64/lib64xml2_2-2.7.1-1.13mdvmes5.2.x86_64.rpm
9c459ffe61c33b7196381da469012d9c
mes5/x86_64/lib64xml2-devel-2.7.1-1.13mdvmes5.2.x86_64.rpm
747e3b8ce1f6e8b4986c21dbdce9cdc2
mes5/x86_64/libxml2-python-2.7.1-1.13mdvmes5.2.x86_64.rpm
9d3e778e84fc3622a82323fafb7d301f
mes5/x86_64/libxml2-utils-2.7.1-1.13mdvmes5.2.x86_64.rpm
50cf43a948bc80027049d0d47f12db8a
mes5/SRPMS/libxml2-2.7.1-1.13mdvmes5.2.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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