U radu programskog paketa PHP uočeni su višestruki sigurnosni propusti koji zlonamjernim korisnicima omogućuju pokretanje napada uskraćivanja usluge, izvršavanje proizvoljnog programskog koda te pristup osjetljivim podacima i njihovu izmjenu.
Paket:
PHP 5.3.x
Operacijski sustavi:
Slackware Linux 11.0, Slackware Linux 12.0, Slackware Linux 12.1, Slackware Linux 12.2, Slackware Linux 13.0, Slackware Linux 13.1, Slackware Linux 13.37
Uočeni propusti vezani su uz uporabu praznih memorijskih lokacija u radu funkcije "substr_replace", prepisivanje međuspremnika stoga u "socket_connect" te neispravnog ograničenja naziva datoteka POST zahtjeva funkcije "rfc1867_post_handler".
Posljedica:
Udaljeni napadači mogu iskoristiti spomenute propuste za pokretanje napada uskraćivanja usluge, izvršavanje proizvoljnog programskog koda te pristup osjetljivim podacima i njihovu izmjenu.
Rješenje:
Objavljena su rješenja koja navedene propuste ispravljaju te se svim korisnicima savjetuje njihova primjena.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
[slackware-security] php (SSA:2011-237-01)
New php packages are available for Slackware 11.0, 12.0, 12.1, 12.2, 13.0,
13.1, 13.37, and -current to fix security issues.
Here are the details from the Slackware 13.37 ChangeLog:
+--------------------------+
patches/packages/php-5.3.8-i486-1_slack13.37.txz: Upgraded.
Security fixes vs. 5.3.6 (5.3.7 was not usable):
Updated crypt_blowfish to 1.2. (CVE-2011-2483)
Fixed crash in error_log(). Reported by Mateusz Kocielski
Fixed buffer overflow on overlog salt in crypt().
Fixed bug #54939 (File path injection vulnerability in RFC1867
File upload filename). Reported by Krzysztof Kotowicz. (CVE-2011-2202)
Fixed stack buffer overflow in socket_connect(). (CVE-2011-1938)
Fixed bug #54238 (use-after-free in substr_replace()). (CVE-2011-1148)
For more information, see:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1148
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1938
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2202
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2483
For those upgrading from PHP 5.2.x, be aware that quite a bit has
changed, and it will very likely not 'drop in', but PHP 5.2.x is not
supported by php.net any longer, so there wasn't a lot of choice
in the matter. We're not able to support a security fork of
PHP 5.2.x here either, so you'll have to just bite the bullet on
this. You'll be better off in the long run. :)
(* Security fix *)
+--------------------------+
Where to find the new packages:
+-----------------------------+
Thanks to the friendly folks at the OSU Open Source Lab
(http://osuosl.org) for donating FTP and rsync hosting
to the Slackware project! :-)
Also see the "Get Slack" section on http://slackware.com for
additional mirror sites near you.
Updated package for Slackware 11.0:
ftp://ftp.slackware.com/pub/slackware/slackware-11.0/extra/php5/php-5.3.8-i486-1_slack11.0.tgz
Updated package for Slackware 12.0:
ftp://ftp.slackware.com/pub/slackware/slackware-12.0/patches/packages/php-5.3.8-i486-1_slack12.0.tgz
Updated package for Slackware 12.1:
ftp://ftp.slackware.com/pub/slackware/slackware-12.1/patches/packages/php-5.3.8-i486-1_slack12.1.tgz
Updated package for Slackware 12.2:
ftp://ftp.slackware.com/pub/slackware/slackware-12.2/patches/packages/php-5.3.8-i486-1_slack12.2.tgz
Updated package for Slackware 13.0:
ftp://ftp.slackware.com/pub/slackware/slackware-13.0/patches/packages/php-5.3.8-i486-1_slack13.0.txz
Updated package for Slackware x86_64 13.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-13.0/patches/packages/php-5.3.8-x86_64-1_slack13.0.txz
Updated package for Slackware 13.1:
ftp://ftp.slackware.com/pub/slackware/slackware-13.1/patches/packages/php-5.3.8-i486-1_slack13.1.txz
Updated package for Slackware x86_64 13.1:
ftp://ftp.slackware.com/pub/slackware/slackware64-13.1/patches/packages/php-5.3.8-x86_64-1_slack13.1.txz
Updated package for Slackware 13.37:
ftp://ftp.slackware.com/pub/slackware/slackware-13.37/patches/packages/php-5.3.8-i486-1_slack13.37.txz
Updated package for Slackware x86_64 13.37:
ftp://ftp.slackware.com/pub/slackware/slackware64-13.37/patches/packages/php-5.3.8-x86_64-1_slack13.37.txz
Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/php-5.3.8-i486-1.txz
Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/n/php-5.3.8-x86_64-1.txz
MD5 signatures:
+-------------+
Slackware 11.0 package:
9c68e64817dc0303a098463f3449d457 php-5.3.8-i486-1_slack11.0.tgz
Slackware 12.0 package:
e87e96a218cfc61be65c5662dc51af88 php-5.3.8-i486-1_slack12.0.tgz
Slackware 12.1 package:
83de1f7eee73c4b84c890e39b7a587d6 php-5.3.8-i486-1_slack12.1.tgz
Slackware 12.2 package:
68995a7d24e2fb0666cab69310f2c2b4 php-5.3.8-i486-1_slack12.2.tgz
Slackware 13.0 package:
ccf32b94bf48fdc5ed96ab5fa80cfd14 php-5.3.8-i486-1_slack13.0.txz
Slackware x86_64 13.0 package:
8e7fed1682a30dffb25b5ebe5bf2f8d1 php-5.3.8-x86_64-1_slack13.0.txz
Slackware 13.1 package:
4c9be7c00bb297bad6dd2aeae759f116 php-5.3.8-i486-1_slack13.1.txz
Slackware x86_64 13.1 package:
4f8f56e6f70a89712d96dac2380d8c85 php-5.3.8-x86_64-1_slack13.1.txz
Slackware 13.37 package:
c44bb52de43ed2ff2cf00fd4ba5b218a php-5.3.8-i486-1_slack13.37.txz
Slackware x86_64 13.37 package:
54149726aef87ef3da9b5abe5fe27252 php-5.3.8-x86_64-1_slack13.37.txz
Slackware -current package:
839c90cc461aad85586cdf5d69a9781e n/php-5.3.8-i486-1.txz
Slackware x86_64 -current package:
330aeaa4a2bff8723641b208678e3d0b n/php-5.3.8-x86_64-1.txz
Installation instructions:
+------------------------+
Upgrade the package as root:
# upgradepkg php-5.3.8-i486-1_slack13.37.txz
Then, restart Apache httpd:
# /etc/rc.d/rc.httpd stop
# /etc/rc.d/rc.httpd start
+-----+
Slackware Linux Security Team
http://slackware.com/gpg-key
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