Jedna sigurnosna ranjivost je otkrivena u programskom paketu Dovecot, a posljedica njenog udaljenog iskorištavanja je mogućnost izvođenja napada uskraćivanja usluge.
Paket:
Dovecot 1.x, Dovecot 2.x
Operacijski sustavi:
Mandriva Linux 2009.0, Mandriva Linux 2010.1, Mandriva Linux Enterprise Server 5.0
Kritičnost:
3.7
Problem:
neodgovarajuća provjera ulaznih podataka
Iskorištavanje:
udaljeno
Posljedica:
uskraćivanje usluga (DoS)
Rješenje:
programska zakrpa proizvođača
CVE:
CVE-2011-1929
Izvorni ID preporuke:
MDVSA-2011:101
Izvor:
Mandriva
Problem:
U datoteci "lib-mail/message-header-parser.c" dolazi do pogrešnog rukovanja ' ' znakovima u imenima zaglavlja.
Posljedica:
Podmetanjem posebno oblikovane poruke elektroničke pošte, udaljeni napadač može izvesti napad uskraćivanja usluge.
Rješenje:
Korisnici se potiču na korištenje odgovarajuće nadogradnje.
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_______________________________________________________________________
Mandriva Linux Security Advisory MDVSA-2011:101
http://www.mandriva.com/security/
_______________________________________________________________________
Package : dovecot
Date : May 26, 2011
Affected: 2009.0, 2010.1, Enterprise Server 5.0
_______________________________________________________________________
Problem Description:
A vulnerability has been identified and fixed in dovecot:
lib-mail/message-header-parser.c in Dovecot 1.2.x before 1.2.17 and
2.0.x before 2.0.13 does not properly handle ' ' (NUL) characters
in header names, which allows remote attackers to cause a denial of
service (daemon crash or mailbox corruption) via a crafted e-mail
message (CVE-2011-1929).
Packages for 2009.0 are provided as of the Extended Maintenance
Program. Please visit this link to learn more:
http://store.mandriva.com/product_info.php?cPath=149&products_id=490
The updated packages have been patched to correct this issue.
_______________________________________________________________________
References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1929
_______________________________________________________________________
Updated Packages:
Mandriva Linux 2009.0:
21c523280a532bca1549cd2d6620f017
2009.0/i586/dovecot-1.1.6-0.4mdv2009.0.i586.rpm
28f6e482c8d788e5e782f7fe60cb51dd
2009.0/i586/dovecot-devel-1.1.6-0.4mdv2009.0.i586.rpm
f75ed118bcd8afb93f651b71707e6b30
2009.0/i586/dovecot-plugins-gssapi-1.1.6-0.4mdv2009.0.i586.rpm
83ab2ceabf79c74fbd7c8152c9032832
2009.0/i586/dovecot-plugins-ldap-1.1.6-0.4mdv2009.0.i586.rpm
0f5ab891bc89f805c9b1e6352dfe76e3
2009.0/SRPMS/dovecot-1.1.6-0.4mdv2009.0.src.rpm
Mandriva Linux 2009.0/X86_64:
01313d55d32d9d7b3efbe8c4af0d5846
2009.0/x86_64/dovecot-1.1.6-0.4mdv2009.0.x86_64.rpm
6275b3aa59917489444151f6e1f7ad1a
2009.0/x86_64/dovecot-devel-1.1.6-0.4mdv2009.0.x86_64.rpm
09d94ab4097397822513927f43be979f
2009.0/x86_64/dovecot-plugins-gssapi-1.1.6-0.4mdv2009.0.x86_64.rpm
0f853a96ffc71160346e8b1e20ee8c23
2009.0/x86_64/dovecot-plugins-ldap-1.1.6-0.4mdv2009.0.x86_64.rpm
0f5ab891bc89f805c9b1e6352dfe76e3
2009.0/SRPMS/dovecot-1.1.6-0.4mdv2009.0.src.rpm
Mandriva Linux 2010.1:
c20c01837cb34db6f0cf84228cc72bf3
2010.1/i586/dovecot-1.2.15-0.2mdv2010.2.i586.rpm
aee42d23be9ec20bb806652475cd5855
2010.1/i586/dovecot-devel-1.2.15-0.2mdv2010.2.i586.rpm
e7cc9fd905959b139f51c7227f0aa0cc
2010.1/i586/dovecot-plugins-gssapi-1.2.15-0.2mdv2010.2.i586.rpm
5c4b18fd9aac03b1da511f5982b2110c
2010.1/i586/dovecot-plugins-ldap-1.2.15-0.2mdv2010.2.i586.rpm
2025b378dd4026154817bd122c265f9d
2010.1/i586/dovecot-plugins-managesieve-1.2.15-0.2mdv2010.2.i586.rpm
7100d1058b5364e31ea09e8f3fc3ed07
2010.1/i586/dovecot-plugins-mysql-1.2.15-0.2mdv2010.2.i586.rpm
85a8c46868db30507dec6a69c2c87cf3
2010.1/i586/dovecot-plugins-pgsql-1.2.15-0.2mdv2010.2.i586.rpm
c55c50ce2cc24ee141b1a31f25bf280a
2010.1/i586/dovecot-plugins-sieve-1.2.15-0.2mdv2010.2.i586.rpm
59f3f89c09790dc2c5297c3b6f2f7ff9
2010.1/i586/dovecot-plugins-sqlite-1.2.15-0.2mdv2010.2.i586.rpm
40d6d69185673abea00a515899083fda
2010.1/SRPMS/dovecot-1.2.15-0.2mdv2010.2.src.rpm
Mandriva Linux 2010.1/X86_64:
7d8a197c83d50e3313ddda5bea6f6914
2010.1/x86_64/dovecot-1.2.15-0.2mdv2010.2.x86_64.rpm
260181fc437f05075a784a17ad7ac563
2010.1/x86_64/dovecot-devel-1.2.15-0.2mdv2010.2.x86_64.rpm
1de0be6e0508baa67a4adcff4e392e48
2010.1/x86_64/dovecot-plugins-gssapi-1.2.15-0.2mdv2010.2.x86_64.rpm
ec01ff2c8ba7aeb1659a140ca0a65a79
2010.1/x86_64/dovecot-plugins-ldap-1.2.15-0.2mdv2010.2.x86_64.rpm
f7ef975718bd9dde0baf78e44f835f40
2010.1/x86_64/dovecot-plugins-managesieve-1.2.15-0.2mdv2010.2.x86_64.rpm
8f02ab80253bf9cfdb1a8615a1609745
2010.1/x86_64/dovecot-plugins-mysql-1.2.15-0.2mdv2010.2.x86_64.rpm
7fb61fb5880669a60f466def532a0ca8
2010.1/x86_64/dovecot-plugins-pgsql-1.2.15-0.2mdv2010.2.x86_64.rpm
71b8afbe2d8466889a1c6d26999d2f84
2010.1/x86_64/dovecot-plugins-sieve-1.2.15-0.2mdv2010.2.x86_64.rpm
b2f766a7ff3327b953c8206c6fd98a9d
2010.1/x86_64/dovecot-plugins-sqlite-1.2.15-0.2mdv2010.2.x86_64.rpm
40d6d69185673abea00a515899083fda
2010.1/SRPMS/dovecot-1.2.15-0.2mdv2010.2.src.rpm
Mandriva Enterprise Server 5:
5db708bec8b22ae2ed3e853fd3b2e557
mes5/i586/dovecot-1.1.6-0.4mdvmes5.2.i586.rpm
ad1babe1622ee32bd7022e2af385bb9a
mes5/i586/dovecot-devel-1.1.6-0.4mdvmes5.2.i586.rpm
1ce3969455f2225b0a6c77b766c83b3e
mes5/i586/dovecot-plugins-gssapi-1.1.6-0.4mdvmes5.2.i586.rpm
4fcb2af78e94a7e3240e534e10584052
mes5/i586/dovecot-plugins-ldap-1.1.6-0.4mdvmes5.2.i586.rpm
fe2800f588d5ff9f2be3da549b62534f
mes5/SRPMS/dovecot-1.1.6-0.4mdvmes5.2.src.rpm
Mandriva Enterprise Server 5/X86_64:
a597739b9220abf26e33b21b767d7745
mes5/x86_64/dovecot-1.1.6-0.4mdvmes5.2.x86_64.rpm
6f83a1c86785d2374ac631249ff4eb3d
mes5/x86_64/dovecot-devel-1.1.6-0.4mdvmes5.2.x86_64.rpm
3e07cfdac2d0e40f2a77e9978318b022
mes5/x86_64/dovecot-plugins-gssapi-1.1.6-0.4mdvmes5.2.x86_64.rpm
7314fa4487025f1b70fa0fba97bc0f71
mes5/x86_64/dovecot-plugins-ldap-1.1.6-0.4mdvmes5.2.x86_64.rpm
fe2800f588d5ff9f2be3da549b62534f
mes5/SRPMS/dovecot-1.1.6-0.4mdvmes5.2.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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