[12월 보안/IT 뉴스] CPU 칩셋 취약점 보안 업데이트 권고
출처: https://www.boho.or.kr/data/secNoticeView.do?bulletin_writing_sequence=26929
□ 개요
o Google社 Project Zero는 Intel社, AMD社, ARM社 CPU 제품의 취약점을 발표 [1]
o 영향 받는 버전 사용자는 해결방안에 따라 최신버전으로 업데이트 권고
□ 내용
o CPU의 부채널 공격(side channel attack)으로 인해 캐시 메모리의 저장된 정보가 노출되는 취약점
- 스펙터(Spectre, CVE-2017-5753, CVE-2017-5715)
- 멜트다운(Meltdown, CVE-2017-5754)
□ 해결 방안
o 아래 칩셋 제조사 및 OS 개발사를 확인하여 최신 업데이트 적용
※ 최신 업데이트가 미 제공된 제품을 사용할 경우 패치 예정일을 확인하여 신속하게 패치 하는 것을 권고
※ 보안 패치 이후 시스템 성능에 영향을 미치는 문제가 발생할 수 있으므로 설치 전 제조사의 보안 공지 내용을 상세히 확인하는 것이 필요
※ 제품 버전별 상세 업데이트 관련 사항은 참고사이트 방문 혹은 제조사에게 문의 바람
□ 용어설명
o 부채널 공격(side channel attack) : 특수한 상황에서 처리 시간 차이의 특성을 이용한 공격 방식 중 하나
□ 기타 문의사항
o 한국인터넷진흥원 인터넷침해대응센터: 국번없이 118
[참고사이트]
[1] https://googleprojectzero.blogspot.kr/2018/01/reading-privileged-memory-with-side.html
[2] https://aws.amazon.com/ko/security/security-bulletins/AWS-2018-013/
[3] http://www.amd.com/en/corporate/speculative-execution
[4] https://support.apple.com/en-us/HT208394
[5] https://developer.arm.com/support/security-update
[6] https://lists.centos.org/pipermail/centos-announce/2018-January/date.html
[7] https://www.chromium.org/Home/chromium-security/ssca
[8] https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180104-cpusidechannel
[9] https://support.citrix.com/article/CTX231390
[10] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=886367
[11] http://lists.dragonflybsd.org/pipermail/users/2018-January/313758.html
[12] https://support.f5.com/csp/article/K91229003
[13] https://fedoramagazine.org/protect-fedora-system-meltdown/
[14] https://fortiguard.com/psirt/FG-IR-18-002
[15] https://security.googleblog.com/2018/01/todays-cpu-vulnerability-what-you-need.html
[16] http://source.android.com/security/bulletin/2018-01-01
[17] http://www.huawei.com/en/psirt/security-notices/huawei-sn-20180104-01-intel-en
[18] https://securityintelligence.com/cpu-vulnerability-can-allow-attackers-to-read-privileged-kernel-memory-and-leak-data/
[19] https://www.ibm.com/blogs/psirt/potential-impact-processors-power-family/
[20] https://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00088&languageid=en-fr
[21] https://newsroom.intel.com/news/intel-responds-to-security-research-findings/
[22] https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10842&cat=SIRT_1&actp=LIST
[23] https://support.lenovo.com/us/en/solutions/len-18282
[24] https://lkml.org/lkml/2017/12/4/709
[25] https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV180002
[26] https://azure.microsoft.com/en-us/blog/securing-azure-customers-from-cpu-vulnerability/
[27] https://support.microsoft.com/en-us/help/4073707/
[28] https://www.mozilla.org/en-US/security/advisories/mfsa2018-01/
[29] https://security.netapp.com/advisory/ntap-20180104-0001/
[30] http://info.nutanix.com/TA5G00u0C000PVD00O0A8Q0
[31] https://kb.netgear.com/000053240
[32] http://nvidia.custhelp.com/app/answers/detail/a_id/4609
[33] https://lists.opensuse.org/opensuse-security-announce/2018-01/msg00001.html
[34] http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
[35] https://www.qubes-os.org/news/2018/01/04/xsa-254-meltdown-spectre/
[36] https://access.redhat.com/security/vulnerabilities/speculativeexecution?sc_cid=701f2000000tsLNAAY&
[37] http://lists.suse.com/pipermail/sle-security-updates/2018-January/date.html
[38] https://www.synology.com/en-us/support/security/Synology_SA_18_01
[39] https://success.trendmicro.com/solution/1119183
[40] https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SpectreAndMeltdown
[41] https://www.vmware.com/us/security/advisories/VMSA-2018-0002.html
[42] http://xenbits.xen.org/xsa/advisory-254.html
