Otkriven je sigurnosni nedostatak u programskom paketu libcap kojeg lokalni napadači mogu iskoristiti za zaobilaženje postavljenih ograničenja pristupa datotekama.
Paket:
libcap 2.x
Operacijski sustavi:
Mandriva Linux 2010.1, Mandriva Linux 2011, Mandriva Linux Enterprise Server 5.0
Kritičnost:
4.1
Problem:
pogreška u programskoj funkciji
Iskorištavanje:
lokalno
Posljedica:
zaobilaženje postavljenih ograničenja
Rješenje:
programska zakrpa proizvođača
CVE:
CVE-2011-4099
Izvorni ID preporuke:
MDVSA-2011:185
Izvor:
Mandriva
Problem:
Nedostatak se javlja zbog toga što se nakon poziva chroot() ne poziva chdir(/).
Posljedica:
Lokalni napadači mogu iskoristiti nedostatak kako bi dobili pristup inače nedostupnim datotekama.
Rješenje:
Korisnicima se savjetuje korištenje dostupne programske zakrpe.
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_______________________________________________________________________
Mandriva Linux Security Advisory MDVSA-2011:185
http://www.mandriva.com/security/
_______________________________________________________________________
Package : libcap
Date : December 12, 2011
Affected: 2010.1, 2011., Enterprise Server 5.0
_______________________________________________________________________
Problem Description:
A vulnerability has been discovered and corrected in libcap:
capsh did not chdir(/) after callling chroot(). Programs could
therefore access the current directory outside of the chroot
(CVE-2011-4099).
The updated packages have been patched to correct this issue.
_______________________________________________________________________
References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4099
_______________________________________________________________________
Updated Packages:
Mandriva Linux 2010.1:
a1aa89a0b1d70848fdd1b91b1f499715
2010.1/i586/libcap2-2.19-5.1mdv2010.2.i586.rpm
d9b734bdc6a4b1be2bb7cc321d6e1c37
2010.1/i586/libcap-devel-2.19-5.1mdv2010.2.i586.rpm
9743b75064868e4459e328fb779659ea
2010.1/i586/libcap-utils-2.19-5.1mdv2010.2.i586.rpm
b7aa70bcc0d5850b9002ce7b79947a16
2010.1/i586/pam_cap-2.19-5.1mdv2010.2.i586.rpm
0efc8c20a6470cfe4b197a397e8fa9fe
2010.1/SRPMS/libcap-2.19-5.1mdv2010.2.src.rpm
Mandriva Linux 2010.1/X86_64:
bad8768c287d0caa596ebcf3298b7c24
2010.1/x86_64/lib64cap2-2.19-5.1mdv2010.2.x86_64.rpm
80ab533f0435ca8d0131cf1e2df3abca
2010.1/x86_64/lib64cap-devel-2.19-5.1mdv2010.2.x86_64.rpm
5707c86b275b22430d2b6d9072d6b49f
2010.1/x86_64/libcap-utils-2.19-5.1mdv2010.2.x86_64.rpm
af734f2e003072bbaeabfccfdefe3da4
2010.1/x86_64/pam_cap-2.19-5.1mdv2010.2.x86_64.rpm
0efc8c20a6470cfe4b197a397e8fa9fe
2010.1/SRPMS/libcap-2.19-5.1mdv2010.2.src.rpm
Mandriva Linux 2011:
5d4dc6f480035acc78b321aa0b3461e9
2011/i586/libcap2-2.19-7.1-mdv2011.0.i586.rpm
efb0aae7df9b50b9b5d2c839554d6a1a
2011/i586/libcap-devel-2.19-7.1-mdv2011.0.i586.rpm
0cc4703e8f22eb69d62294cec0f73c7f
2011/i586/libcap-utils-2.19-7.1-mdv2011.0.i586.rpm
db290982632ae980684f088688401a7e 2011/i586/pam_cap-2.19-7.1-mdv2011.0.i586.rpm
ccd77a7775907368085d443e69767382 2011/SRPMS/libcap-2.19-7.1.src.rpm
Mandriva Linux 2011/X86_64:
72288e910ac68f086670baee76f76b91
2011/x86_64/lib64cap2-2.19-7.1-mdv2011.0.x86_64.rpm
e86cc72e4e15eacaf128585c199f0557
2011/x86_64/lib64cap-devel-2.19-7.1-mdv2011.0.x86_64.rpm
37fa28f00ebb730fd5b91457128a7576
2011/x86_64/libcap-utils-2.19-7.1-mdv2011.0.x86_64.rpm
e3faa58e81e49a6ac4729a98e835814e
2011/x86_64/pam_cap-2.19-7.1-mdv2011.0.x86_64.rpm
ccd77a7775907368085d443e69767382 2011/SRPMS/libcap-2.19-7.1.src.rpm
Mandriva Enterprise Server 5:
2352b4cb1b618a307b2a1a707d0b36de mes5/i586/libcap2-2.10-1.2mdvmes5.2.i586.rpm
be73f3d4f3c4192092c968b183895599
mes5/i586/libcap-devel-2.10-1.2mdvmes5.2.i586.rpm
14d651d422a4cee0701fa9d05750fd8c
mes5/i586/libcap-utils-2.10-1.2mdvmes5.2.i586.rpm
53d59bdf13449117bbc648caf7543e8f mes5/i586/pam_cap-2.10-1.2mdvmes5.2.i586.rpm
e189f55eedba7655c1f211f7e406af60 mes5/SRPMS/libcap-2.10-1.2mdvmes5.2.src.rpm
Mandriva Enterprise Server 5/X86_64:
5732ec43dcd02d2fbb11e808d6dd10d7
mes5/x86_64/lib64cap2-2.10-1.2mdvmes5.2.x86_64.rpm
8999ca23503c2256a06fe124ca3b6a3d
mes5/x86_64/lib64cap-devel-2.10-1.2mdvmes5.2.x86_64.rpm
0ffb9699516cc66da453962b671d1940
mes5/x86_64/libcap-utils-2.10-1.2mdvmes5.2.x86_64.rpm
ac14e30438d172c57c3ee886ead7f24d
mes5/x86_64/pam_cap-2.10-1.2mdvmes5.2.x86_64.rpm
e189f55eedba7655c1f211f7e406af60 mes5/SRPMS/libcap-2.10-1.2mdvmes5.2.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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