Uočeno je više sigurnosnih propusta u radu programskog paketa Subversion. Udaljenom napadaču sigurnosni nedostaci omogućuju napad uskraćivanjem usluga (DoS) te neovlašteno otkrivanje osjetljivih informacija.
Paket:
Subversion 1.x
Operacijski sustavi:
SUSE Linux Enterprise Server (SLES) 11
Kritičnost:
4.8
Problem:
nepravilno rukovanje ovlastima, pogreška u programskoj komponenti
Sigurnosne ranjivosti su posljedica pogrešaka u "mod_dav_svn" modulu za Apache HTTP poslužitelje.
Posljedica:
Udaljeni napadač propuste može iskoristiti za DoS (eng. Denial of Service) napad te za otkrivanje osjetljivih informacija ponavljanjem REPORT operacije.
Rješenje:
Rješenje problema sigurnosti je korištenje novijih inačica navedenog programskog paketa.
SUSE Security Update: subversion
______________________________________________________________________________
Announcement ID: SUSE-SU-2011:0691-1
Rating: important
References: #676949 #688968 #698205
Cross-References: CVE-2011-0715 CVE-2011-1752 CVE-2011-1783
CVE-2011-1921
Affected Products:
SUSE Linux Enterprise Software Development Kit 11 SP1
______________________________________________________________________________
An update that fixes four vulnerabilities is now available.
Description:
Subversion was updated to fix several security issues:
* CVE-2011-1752: The mod_dav_svn Apache HTTPD server
module can be crashed though when asked to deliver
baselined WebDAV resources.
* CVE-2011-1783: The mod_dav_svn Apache HTTPD server
module can trigger a loop which consumes all available
memory on the system.
* CVE-2011-1921: The mod_dav_svn Apache HTTPD server
module may leak to remote users the file contents of files
configured to be unreadable by those users.
* CVE-2011-0715: Remote attackers could crash an svn
server by causing a NULL deref
Security Issue references:
* CVE-2011-1752
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1752
>
* CVE-2011-1783
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1783
>
* CVE-2011-1921
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1921
>
* CVE-2011-0715
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0715
>
Patch Instructions:
To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product:
- SUSE Linux Enterprise Software Development Kit 11 SP1:
zypper in -t patch sdksp1-subversion-4691
To bring your system up-to-date, use "zypper patch".
Package List:
- SUSE Linux Enterprise Software Development Kit 11 SP1 (i586 ia64 ppc64
s390x x86_64):
subversion-1.5.7-0.10.1
subversion-devel-1.5.7-0.10.1
subversion-perl-1.5.7-0.10.1
subversion-python-1.5.7-0.10.1
subversion-server-1.5.7-0.10.1
subversion-tools-1.5.7-0.10.1
References:
http://support.novell.com/security/cve/CVE-2011-0715.html
http://support.novell.com/security/cve/CVE-2011-1752.html
http://support.novell.com/security/cve/CVE-2011-1783.html
http://support.novell.com/security/cve/CVE-2011-1921.html
https://bugzilla.novell.com/676949
https://bugzilla.novell.com/688968
https://bugzilla.novell.com/698205
http://download.novell.com/patch/finder/?keywords=042ece1ed68574582bf41a46ffb91d01
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