----- B a l a B i t S e c u r i t y A d v i s o r y ( B B S A ) ----- PACKAGE : libxslt AFFECTED VERSION : <= 1.1.12-8.zorpos2. <= 1.1.15-1ubuntu1.zorpos33.1 FIXED : 1.1.12-8.zorpos3, 1.1.15-1ubuntu1.zorpos33.2 SUMMARY : Denial of Service TYPE : remote AFFECTED : ZorpOS 3.1, ZorpOS 3.3 ZORP-OS SPECIFIC : NO BBSA-AUTHOR : Tamás Pál BBSA-ID : BBSA-2008-038 BBSA-ADDRESS : advisory@balabit.hu GNUPG FINGERPRINT : 933E 6763 D32D A01C 1A75 F228 9CB1 81C7 D91E 8915 CVE : CVE-2008-2935 DATE : Aug 8, 2008 ----------------------------------------------------------------------------- BACKGROUND: Chris Evans discovered that the RC4 processing code in libxslt did not correctly handle corrupted key information. If a remote attacker were able to make an application linked against libxslt to process malicious XML input, they could crash the application, leading to a denial of service. SOLUTION: We recommend that you update the affected packages immediately. Upgrading using apt: ~~~~~~~~~~~~~~~~~~~~ Add the following line to /etc/apt/sources.list (if it doesn't contain this line already) ZorpOS version 3.1: deb https://USERNAME:PASSWORD@apt.balabit.hu/zorp-os \ zorp-os-3.1/3.1security zorp-os zorp-os-extra ZorpOS version 3.3: deb https://USERNAME:PASSWORD@apt.balabit.hu/zorp-os \ zorp-os-3.3/3.3security zorp-os zorp-os-extra then issue the following commands as root: apt-get update apt-get -u upgrade The latest upgrades will be downloaded and installed. REFERENCES: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2935 http://www.ubuntu.com/usn/usn-633-1