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Mandriva Linux Security Advisory MDVSA-2015:110
http://www.mandriva.com/en/support/security/
_______________________________________________________________________
Package : postgresql
Date : March 29, 2015
Affected: Business Server 2.0
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Problem Description:
Updated postgresql packages fix multiple security vulnerabilities:
Granting a role without ADMIN OPTION is supposed to prevent the
grantee from adding or removing members from the granted role, but
this restriction was easily bypassed by doing SET ROLE first. The
security impact is mostly that a role member can revoke the access
of others, contrary to the wishes of his grantor. Unapproved role
member additions are a lesser concern, since an uncooperative role
member could provide most of his rights to others anyway by creating
views or SECURITY DEFINER functions (CVE-2014-0060).
The primary role of PL validator functions is to be called implicitly
during CREATE FUNCTION, but they are also normal SQL functions
that a user can call explicitly. Calling a validator on a function
actually written in some other language was not checked for and could
be exploited for privilege-escalation purposes. The fix involves
adding a call to a privilege-checking function in each validator
function. Non-core procedural languages will also need to make this
change to their own validator functions, if any (CVE-2014-0061).
If the name lookups come to different conclusions due to concurrent
activity, we might perform some parts of the DDL on a different
table than other parts. At least in the case of CREATE INDEX, this
can be used to cause the permissions checks to be performed against
a different table than the index creation, allowing for a privilege
escalation attack (CVE-2014-0062).
The MAXDATELEN constant was too small for the longest possible value of
type interval, allowing a buffer overrun in interval_out(). Although
the datetime input functions were more careful about avoiding buffer
overrun, the limit was short enough to cause them to reject some valid
inputs, such as input containing a very long timezone name. The ecpg
library contained these vulnerabilities along with some of its own
(CVE-2014-0063).
Several functions, mostly type input functions, calculated an
allocation size without checking for overflow. If overflow did
occur, a too-small buffer would be allocated and then written past
(CVE-2014-0064).
Use strlcpy() and related functions to provide a clear guarantee
that fixed-size buffers are not overrun. Unlike the preceding items,
it is unclear whether these cases really represent live issues,
since in most cases there appear to be previous constraints on the
size of the input string. Nonetheless it seems prudent to silence
all Coverity warnings of this type (CVE-2014-0065).
There are relatively few scenarios in which crypt() could return NULL,
but contrib/chkpass would crash if it did. One practical case in which
this could be an issue is if libc is configured to refuse to execute
unapproved hashing algorithms (e.g., FIPS mode) (CVE-2014-0066).
Since the temporary server started by make check uses trust
authentication, another user on the same machine could connect to it
as database superuser, and then potentially exploit the privileges of
the operating-system user who started the tests. A future release will
probably incorporate changes in the testing procedure to prevent this
risk, but some public discussion is needed first. So for the moment,
just warn people against using make check when there are untrusted
users on the same machine (CVE-2014-0067).
A user with limited clearance on a table might have access to
information in columns without SELECT rights on through server error
messages (CVE-2014-8161).
The function to_char() might read/write past the end of a buffer. This
might crash the server when a formatting template is processed
(CVE-2015-0241).
The pgcrypto module is vulnerable to stack buffer overrun that might
crash the server (CVE-2015-0243).
Emil Lenngren reported that an attacker can inject SQL commands when
the synchronization between client and server is lost (CVE-2015-0244).
This update provides PostgreSQL versions 9.3.6 and 9.2.10 that fix
these issues, as well as several others.
_______________________________________________________________________
References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0060
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0061
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0062
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0063
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0064
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0065
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0066
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0067
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8161
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0241
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0242
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0243
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0244
http://advisories.mageia.org/MGASA-2014-0205.html
http://advisories.mageia.org/MGASA-2015-0069.html
_______________________________________________________________________
Updated Packages:
Mandriva Business Server 2/X86_64:
f99a635c6f82735fbc2b95e152f09efb
mbs2/x86_64/lib64ecpg9.2_6-9.2.10-1.mbs2.x86_64.rpm
d57166faca3e9d1b932cdd43c04b4d3a
mbs2/x86_64/lib64ecpg9.3_6-9.3.6-1.mbs2.x86_64.rpm
6e4f38d6fb5b9bb91e9f2eab3e567e1f
mbs2/x86_64/lib64pq9.2_5.5-9.2.10-1.mbs2.x86_64.rpm
6671c3cf6916cf829c3e3bc0332190a7
mbs2/x86_64/lib64pq9.3_5-9.3.6-1.mbs2.x86_64.rpm
eda79e884356acdd4bc3776eb9f082d7
mbs2/x86_64/postgresql9.2-9.2.10-1.mbs2.x86_64.rpm
78ed2566f404f6af31337690f52851ca
mbs2/x86_64/postgresql9.2-contrib-9.2.10-1.mbs2.x86_64.rpm
153a4a063504fa1fa1842b127712bfe0
mbs2/x86_64/postgresql9.2-devel-9.2.10-1.mbs2.x86_64.rpm
9bfdccf6a88c6b13496c7da4de2bca34
mbs2/x86_64/postgresql9.2-docs-9.2.10-1.mbs2.noarch.rpm
6b76f8d61fd457f92d90b1959fb1dea3
mbs2/x86_64/postgresql9.2-pl-9.2.10-1.mbs2.x86_64.rpm
8526ab569ed5362fc7a92fa23dca98b6
mbs2/x86_64/postgresql9.2-plperl-9.2.10-1.mbs2.x86_64.rpm
412cb6f09cb609fcbb09d3259f534dfc
mbs2/x86_64/postgresql9.2-plpgsql-9.2.10-1.mbs2.x86_64.rpm
c95ce4440833dfc828c9ee8eecbcea17
mbs2/x86_64/postgresql9.2-plpython-9.2.10-1.mbs2.x86_64.rpm
50b9c0b0197667b390ba47ccd00770d4
mbs2/x86_64/postgresql9.2-pltcl-9.2.10-1.mbs2.x86_64.rpm
c019e6c9930eafc094f287ee7461aaaa
mbs2/x86_64/postgresql9.2-server-9.2.10-1.mbs2.x86_64.rpm
d2a51e59c752f3ddb3ea6c77f7502433
mbs2/x86_64/postgresql9.3-9.3.6-1.mbs2.x86_64.rpm
60e543ac5e51171e6669e68b0a5a2eb3
mbs2/x86_64/postgresql9.3-contrib-9.3.6-1.mbs2.x86_64.rpm
483126b5d66cd0f375ec9732677b2808
mbs2/x86_64/postgresql9.3-devel-9.3.6-1.mbs2.x86_64.rpm
0b361bfcbc87273de585f3f9c4c6a618
mbs2/x86_64/postgresql9.3-docs-9.3.6-1.mbs2.noarch.rpm
357b9a02ee0271876013e2db04025721
mbs2/x86_64/postgresql9.3-pl-9.3.6-1.mbs2.x86_64.rpm
7bd4f962c795ee04836f1e162c1e6b7e
mbs2/x86_64/postgresql9.3-plperl-9.3.6-1.mbs2.x86_64.rpm
66e4b7668e00e0d16d6570ea7f1651fa
mbs2/x86_64/postgresql9.3-plpgsql-9.3.6-1.mbs2.x86_64.rpm
13e4930b5a0dbe06a5b886a83401470a
mbs2/x86_64/postgresql9.3-plpython-9.3.6-1.mbs2.x86_64.rpm
32e568d9ba610c58e6587b04d4cdb6ab
mbs2/x86_64/postgresql9.3-pltcl-9.3.6-1.mbs2.x86_64.rpm
0b8899321e95fd17fc6aa954fb450a0d
mbs2/x86_64/postgresql9.3-server-9.3.6-1.mbs2.x86_64.rpm
f5856e921124345cf4dbadd41bfaab9d
mbs2/SRPMS/postgresql9.2-9.2.10-1.mbs2.src.rpm
ca1994bd36f7310b82ec57914dd8496d
mbs2/SRPMS/postgresql9.3-9.3.6-1.mbs2.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/en/support/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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