U radu programskog paketa cifs-utils uočeni su sigurnosni propusti koji udaljenom napadaču omogućuju DoS (eng. Denial of Service) napad.
Paket:
cifs-utils 4.x
Operacijski sustavi:
Fedora 14, Fedora 15
Kritičnost:
2.6
Problem:
pogreška u programskoj funkciji
Iskorištavanje:
lokalno
Posljedica:
uskraćivanje usluga (DoS)
Rješenje:
programska zakrpa proizvođača
CVE:
CVE-2011-2724, CVE-2010-0547
Izvorni ID preporuke:
FEDORA-2011-9847
Izvor:
Fedora
Problem:
Sigurnosne ranjivosti su posljedica pogreške u programskoj funkciji "client/mount.cifs.c" koja ne provjerava jesu li znakovni nizovi sastavljeni od valjanih znakova.
Posljedica:
Zloćudni lokalni korisnik ranjivosti može iskoristiti za napad uskraćivanjem usluga (eng. Denial of Service).
Rješenje:
Budući da su dostupne odgovarajuće programske ispravke za opisane probleme, korisnike se upućuje na njihovo preuzimanje i primjenu.
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Fedora Update Notification
FEDORA-2011-9847
2011-07-31 02:58:30
--------------------------------------------------------------------------------
Name : cifs-utils
Product : Fedora 14
Version : 4.8.1
Release : 7.fc14
URL : http://linux-cifs.samba.org/cifs-utils/
Summary : Utilities for mounting and managing CIFS mounts
Description :
The SMB/CIFS protocol is a standard file sharing protocol widely deployed
on Microsoft Windows machines. This package contains tools for mounting
shares on Linux using the SMB/CIFS protocol. The tools in this package
work in conjunction with support in the kernel to allow one to mount a
SMB/CIFS share onto a client and use it as if it were a standard Linux
file system.
--------------------------------------------------------------------------------
Update Information:
This is an update that fixes a problem with handling embedded newlines in share
names or mountpoints.
--------------------------------------------------------------------------------
ChangeLog:
* Fri Jul 29 2011 Jeff Layton <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 4.8.1-7
- mount.cifs: fix check_newline retcode check (bz# 726717)
* Tue Jul 12 2011 Jeff Layton <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 4.8.1-6
- mount.cifs: don't allow mount.cifs to leave corrupt mtab (bz# 699040)
* Mon May 16 2011 Jeff Layton <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 4.8.1-5
- mount.cifs: pass unadulterated device string to kernel (bz# 702664)
* Tue Feb 8 2011 Jeff Layton <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 4.8.1-4
- mount.cifs: reenable CAP_DAC_READ_SEARCH when mounting (bz# 675761)
* Tue Feb 8 2011 Fedora Release Engineering <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.>
- 4.8.1-3
- Rebuilt for https://fedoraproject.org/wiki/Fedora_15_Mass_Rebuild
* Tue Feb 1 2011 Jeff Layton <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 4.8.1-2
- mount.cifs: don't update mtab if it's a symlink (bz# 674101)
* Fri Jan 21 2011 Jeff Layton <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 4.8.1-1
- update to 4.8.1
* Sat Jan 15 2011 Jeff Layton <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 4.8-1
- update to 4.8
* Tue Oct 19 2010 Jeff Layton <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 4.7-1
- update to 4.7
--------------------------------------------------------------------------------
References:
[ 1 ] Bug #726717 - CVE-2011-2724 samba, cifs-utils (mount.cifs):
check_newline returns EX_USAGE on error, not -1 (incomplete fix for
CVE-2010-0547) [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=726717
--------------------------------------------------------------------------------
This update can be installed with the "yum" update program. Use
su -c 'yum update cifs-utils' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.
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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--------------------------------------------------------------------------------
Fedora Update Notification
FEDORA-2011-9831
2011-07-31 02:57:46
--------------------------------------------------------------------------------
Name : cifs-utils
Product : Fedora 15
Version : 5.0
Release : 2.fc15
URL : http://linux-cifs.samba.org/cifs-utils/
Summary : Utilities for mounting and managing CIFS mounts
Description :
The SMB/CIFS protocol is a standard file sharing protocol widely deployed
on Microsoft Windows machines. This package contains tools for mounting
shares on Linux using the SMB/CIFS protocol. The tools in this package
work in conjunction with support in the kernel to allow one to mount a
SMB/CIFS share onto a client and use it as if it were a standard Linux
file system.
--------------------------------------------------------------------------------
Update Information:
This is an update that fixes a problem with handling embedded newlines in share
names or mountpoints.
--------------------------------------------------------------------------------
ChangeLog:
* Fri Jul 29 2011 Jeff Layton <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 5.0-2
- mount.cifs: fix check_newline retcode check (bz# 726717)
* Wed Jun 1 2011 Jeff Layton <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 5.0-1
- update to 5.0
* Mon May 16 2011 Jeff Layton <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 4.9-2
- mount.cifs: pass unadulterated device string to kernel (bz# 702664)
--------------------------------------------------------------------------------
References:
[ 1 ] Bug #726691 - CVE-2011-2724 samba, cifs-utils: mount.cifs incorrect fix
for CVE-2010-0547
https://bugzilla.redhat.com/show_bug.cgi?id=726691
--------------------------------------------------------------------------------
This update can be installed with the "yum" update program. Use
su -c 'yum update cifs-utils' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.
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
--------------------------------------------------------------------------------
_______________________________________________
package-announce mailing list
Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.
https://admin.fedoraproject.org/mailman/listinfo/package-announce
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