U radu programskog paketa t1lib otkriveno je nekoliko sigurnosnih propusta. Udaljenim napadačima omogućuju izvođenje napada uskraćivanjem usluge (DoS) i pokretanje proizvoljnog programskog koda.
Paket:
t1lib 5.x
Operacijski sustavi:
Slackware Linux 12.1, Slackware Linux 12.2, Slackware Linux 13.0, Slackware Linux 13.1, Slackware Linux 13.37
Kritičnost:
5.1
Problem:
pogreška u programskoj komponenti, preljev međuspremnika
Propusti su posljedica "use-after-free" i "off-by-one" pogrešaka, prepisivanja spremnika na gomili, itd. Za detaljniji uvid u sve propuste savjetuje se pregled teksta izvorne preporuke.
Posljedica:
Napadači ih mogu iskoristiti za izvođenje DoS napada i pokretanje proizvoljnog programskog koda.
Rješenje:
Korisnicima se preporuča instalacija novih programskih rješenja.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
[slackware-security] t1lib (SSA:2012-228-01)
New t1lib packages are available for Slackware 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/t1lib-5.1.2-i486-3_slack13.37.txz: Rebuilt.
Patched various overflows, crashes, and pointer bugs.
For more information, see:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-2642
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0764
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1552
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1553
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1554
(* 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 12.1:
ftp://ftp.slackware.com/pub/slackware/slackware-12.1/patches/packages/t1lib-5.1.2-i486-1_slack12.1.tgz
Updated package for Slackware 12.2:
ftp://ftp.slackware.com/pub/slackware/slackware-12.2/patches/packages/t1lib-5.1.2-i486-1_slack12.2.tgz
Updated package for Slackware 13.0:
ftp://ftp.slackware.com/pub/slackware/slackware-13.0/patches/packages/t1lib-5.1.2-i486-2_slack13.0.txz
Updated package for Slackware x86_64 13.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-13.0/patches/packages/t1lib-5.1.2-x86_64-2_slack13.0.txz
Updated package for Slackware 13.1:
ftp://ftp.slackware.com/pub/slackware/slackware-13.1/patches/packages/t1lib-5.1.2-i486-2_slack13.1.txz
Updated package for Slackware x86_64 13.1:
ftp://ftp.slackware.com/pub/slackware/slackware64-13.1/patches/packages/t1lib-5.1.2-x86_64-2_slack13.1.txz
Updated package for Slackware 13.37:
ftp://ftp.slackware.com/pub/slackware/slackware-13.37/patches/packages/t1lib-5.1.2-i486-3_slack13.37.txz
Updated package for Slackware x86_64 13.37:
ftp://ftp.slackware.com/pub/slackware/slackware64-13.37/patches/packages/t1lib-5.1.2-x86_64-3_slack13.37.txz
Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/l/t1lib-5.1.2-i486-3.txz
Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/l/t1lib-5.1.2-x86_64-3.txz
MD5 signatures:
+-------------+
Slackware 12.1 package:
b4a19acb6abc371cecd3555b2e8d794a t1lib-5.1.2-i486-1_slack12.1.tgz
Slackware 12.2 package:
e8cbabaf0a83b81dccbe67862e0b7f0a t1lib-5.1.2-i486-1_slack12.2.tgz
Slackware 13.0 package:
aef159285fb637413ca0d7e59adf92da t1lib-5.1.2-i486-2_slack13.0.txz
Slackware x86_64 13.0 package:
c014687cf4154b42ec66fb6fc2ac3e7e t1lib-5.1.2-x86_64-2_slack13.0.txz
Slackware 13.1 package:
2e14125a3c4f46811c7ee918ecdba79d t1lib-5.1.2-i486-2_slack13.1.txz
Slackware x86_64 13.1 package:
7fd0cb7d16dee8b5b5757ac93258e838 t1lib-5.1.2-x86_64-2_slack13.1.txz
Slackware 13.37 package:
eab121d3ac1bb128efff380942609fd4 t1lib-5.1.2-i486-3_slack13.37.txz
Slackware x86_64 13.37 package:
937da04c0f0f19812c440be48bf169ca t1lib-5.1.2-x86_64-3_slack13.37.txz
Slackware -current package:
9b6796f3e27952172236425a7031cb58 l/t1lib-5.1.2-i486-3.txz
Slackware x86_64 -current package:
6942fb6f9f78b8e3cc4a1c77469a2512 l/t1lib-5.1.2-x86_64-3.txz
Installation instructions:
+------------------------+
Upgrade the package as root:
# upgradepkg t1lib-5.1.2-i486-3_slack13.37.txz
+-----+
Slackware Linux Security Team
http://slackware.com/gpg-key
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