CVE-2014-6271

설명

GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute arbitrary code via a crafted environment, as demonstrated by vectors involving the ForceCommand feature in OpenSSH sshd, the mod_cgi and mod_cgid modules in the Apache HTTP Server, scripts executed by unspecified DHCP clients, and other situations in which setting the environment occurs across a privilege boundary from Bash execution, aka "ShellShock." NOTE: the original fix for this issue was incorrect; CVE-2014-7169 has been assigned t...

영향 제품·버전

공급사 GNU

제품 Bourne-Again Shell (Bash)

영향 버전 n/a, <= 4.3, >= 4.9.0 < 4.9.12, >= 4.10.0 < 4.10.9, >= 4.11.0 < 4.11.11, >= 4.12.0 < 4.12.9, >= 4.13.0 < 4.13.9, >= 4.14.0 < 4.14.4f, 4, 5, 6, < 4.1.1, 4.1.1, 3.0, 4.0, 2.1, 3.4, 5.0, 6.0, 7.0

수정 버전 4.9.12, 4.10.9, 4.11.11, 4.12.9, 4.13.9, 4.14.4f, 4.1.1, 1.2.1, 1.4.3.5, 1.5.0.4, 7.2.0.9, 7.3.0.7, 7.1.0.11, 3.8.0.07, 3.9.1.08, 4.1.2.06, r77.30, 9.3.67.5r1, 10.1.129.11r1, 10.5.52.11r1

조치 방법

• 공급사가 제공한 최신 보안 업데이트 적용
• 자사 보유 제품과 영향 버전의 일치 여부 확인
• 외부 노출 서비스와 비정상 인증·접속 로그 점검
• 패치가 어려우면 공급사 완화조치와 접근통제 적용

기술 정보

CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE CWE-78

KEV 등록일 2022.01.28

랜섬웨어 캠페인 사용 미확인

CISA 비고 https://nvd.nist.gov/vuln/detail/CVE-2014-6271

EPSS 데이터 기준일 2026.06.27