-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ----------------------------------------------------------------- HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #0197, Originally issued: 1 July 2002 ----------------------------------------------------------------- The information in the following Security Advisory should be acted upon as soon as possible. Hewlett-Packard Company will not be liable for any consequences to any customer resulting from customer's failure to fully implement instructions in this Security Advisory as soon as possible. ------------------------------------------------------------------ PROBLEM: A remotely exploitable vulnerability in handling of large data chunks in Apache-based web servers. PLATFORM: HP9000 Servers running HP-UX release 11.00, and 11.11 with the HP Apache product installed. DAMAGE: Increased privilege, DoS or execution of arbitrary code. SOLUTION: For HP-UX releases 11.00 and 11.11, download new product bundles from the ftp site below. MANUAL ACTIONS: Install repaired binary AVAILABILITY: Complete product bundles are available now for 11.00 and 11.11 are available for PA-RISC architecture platforms via ftp at hprc.external.hp.com (see below for account details). ------------------------------------------------------------------ A. Background The CERT Advisory CA-2002-17 regarding Apache affects the following HP product numbers: B9416AA Apache 2.x PA-RISC HP-UX releases 11.00 and 11.11 B9415AA Apache 1.3.x PA-RISC HP-UX releases 11.00 and 11.11 HP Apache 1.3.26 (PA-RISC) installs into /opt/apache and /opt/tomcat disk space: 55-65 MB documents: /opt/apache/htdocs/doc HP Apache 2.0.39 (PA-RISC) installs into /opt/hpapache2 disk space: 80-90 MB documents: /opt/hpapache2/hp_apache_docs HP Apache automatically starts upon installation if port 80 is available. Installation of this new version of HP Apache over an existing HP Apache installation is supported, while installation over a non-HP Apache is NOT supported. An advisory has been issued for HP Compaq systems. Please refer to HP Compaq SSRT2253, which says in part: CSWS Secure Web Server for HP Tru64 UNIX and HP OpenVMS "Potential Apache Web Server Chunk Handling Vulnerability" Patches are available for CSWS for HP Tru64 UNIX at: http://tru64unix.compaq.com/internet/download.htm#sws_v591 Patches are available for CSWS for HP OpenVMS at: http://www.openvms.compaq.com/openvms/products/ips/apache/ +csws_patches.html B. Fixing the problem The fixes for HP-UX 11.00 and 11.11 are in the form of new product bundles, instead of patches. An ftp server account has been created to enable timely downloading of these binaries. System: hprc.external.hp.com (192.170.19.51) Login: apache Password: apache FTP Access: ftp://apache:apache@hprc.external.hp.com/ or: ftp://apache:apache@192.170.19.51/ Retrieve the binaries and verify the correct size, cksum output and MD5 fingerprint. Version Product HP-UX cksum(1) output MD5 output number Release and byte count _________________________________________________________________ Apache 2.0.39 B9416AA 11.00 and 11.11 4267700545 27197440 098CFC257C9E6DF2E90176A57BB8F3A3 Apache 1.3.26 B9415AA 11.00 and 11.11 1412216467 60262400 5F2BDC824D6518E1E897753D3C43FAC6 C. To subscribe to automatically receive future NEW HP Security Bulletins from the HP IT Resource Center via electronic mail, do the following: Use your browser to get to the HP IT Resource Center page at: http://itrc.hp.com Use the 'Login' tab at the left side of the screen to login using your ID and password. Use your existing login or the "Register" button at the left to create a login, in order to gain access to many areas of the ITRC. Remember to save the User ID assigned to you, and your password. In the left most frame select "Maintenance and Support". Under the "Notifications" section (near the bottom of the page), select "Support Information Digests". To -subscribe- to future HP Security Bulletins or other Technical Digests, click the check box (in the left column) for the appropriate digest and then click the "Update Subscriptions" button at the bottom of the page. or To -review- bulletins already released, select the link (in the middle column) for the appropriate digest. To -gain access- to the Security Patch Matrix, select the link for "The Security Bulletins Archive". (near the bottom of the page) Once in the archive the third link is to the current Security Patch Matrix. Updated daily, this matrix categorizes security patches by platform/OS release, and by bulletin topic. Security Patch Check completely automates the process of reviewing the patch matrix for 11.XX systems. For information on the Security Patch Check tool, see: http://www.software.hp.com/cgi-bin/swdepot_parser.cgi/cgi/ displayProductInfo.pl?productNumber=B6834AA" The security patch matrix is also available via anonymous ftp: ftp.itrc.hp.com:~ftp/export/patches/hp-ux_patch_matrix On the "Support Information Digest Main" page: click on the "HP Security Bulletin Archive". D. To report new security vulnerabilities, send email to security-alert@hp.com Please encrypt any exploit information using the security-alert PGP key, available from your local key server, or by sending a message with a -subject- (not body) of 'get key' (no quotes) to security-alert@hp.com. Permission is granted for copying and circulating this Advisory to Hewlett-Packard (HP) customers (or the Internet community) for the purpose of alerting them to problems, if and only if, the Advisory is not edited or changed in any way, is attributed to HP, and provided such reproduction and/or distribution is performed for non-commercial purposes. Any other use of this information is prohibited. HP is not liable for any misuse of this information by any third party. ________________________________________________________________ -----BEGIN PGP SIGNATURE----- Version: PGP Personal Security 7.0.3 iQA/AwUBPSLlRuAfOvwtKn1ZEQKtrACgiLyjvR83jT93mfP8tjCV4sg0HzAAoPoM r2f+MsBrjzsZjVLXMHcodFsB =0Grt -----END PGP SIGNATURE----- -- Yours truly, HP S/W Security Team WTEC Cupertino, California Return-Path: secure@cup.hp.com Reply-to: security-alert@hp.com