Other iLO generations, like iLO 5, iLO 3. Handling strings in C is complex and error-proneġ else if ( !strnicmp(request, http_header, "Content-length:", 0xFu) )2 The vulnerability affects all HP iLO 4 servers running firmware version. Figure 1: Directly integrated on the server’s motherboard This talk only concerns iLO version 4 (last version until mid-2017) found on generations HP ProLiant Gen8 and Gen9.
#HP ILO 4 2.54 UPGRADE#
Upgrade to HPE Integrated Lights-out 4 (iLO 4) firmware version 2.54 or newer. Handling of HTTP line by line Many uses of C string handling manipulation functions: HP Integrated Lights-Out (iLO) Baseboard Management Controller (BMC) embedded in most of HP servers for more than 10 years. HPE has provided software updates to resolve the vulnerability in HPE Integrated Lights-out 4 (iLO 4). RESOLUTION HPE has provided software updates to resolve the vulnerability in HPE Integrated Lights-out 4 (iLO 4). Processes) Analysis of the web administration interface Total time of the study, approximately 5 man-monthsĬVE-2017-12542, CVSSv3 9.8 Authentication bypass and remote code execution Fixed in iLO 4 version 2.53 (buggy) and 2.54Īrbitrary code execution in the context of the web server iLO to host attack HPE Integrated Lights-Out 4 (iLO 4), prior to 2.53, is impacted by this vulnerability. HP released patches for CVE-2017-12542 in August last year, in iLO 4 firmware version 2.54. VULNERABILITY SUMMARY Multiple potential security vulnerabilities have been identified in HPE Integrated Lights-Out 5 (iLO 5) and HPE Integrated Lights-Out 4 (iLO 4). There is new iLO 4 and iLO 5 firmware (2.78 and 2.44) to address multiple remote and local vulnerabilities. Kernel Integrity analysis Understanding of the memory layout of the userland modules (equivalent of Just yesterday (May 18, 2021) a SimpliVity Security Bulletin was released.
#HP ILO 4 2.54 UPDATE#
Source: Managing HP servers through firewalls with Insight Software1įirmware update file format analysis Extraction of its components: bootloader, kernel, userland image, signatures, etc. ILO is directly connected to the PCI-Express bus. This talk only concerns iLO version 4 (last version until mid-2017) found ongenerations HP ProLiant Gen8 and Gen9.Īnalyzes were more specifically performed on versions 2.44 et 2.50 of iLO4.ĭedicated ARM processor: GLP/Sabine architecture Firmware stored on a NAND flash chip Dedicated RAM chip Dedicated network interface Full operating system and applicative image, running as soon as the server is Backdooring your server through its BMC: the HPE iLO4 caseįabien Prigaud, Alexandre Gazet & Joffrey CzarnyRennes, June 13-15, 2018īaseboard Management Controller (BMC) embedded in most of HP servers for morethan 10 years.įigure 1: Directly integrated on the servers motherboard
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