π‘οΈ Sentinel: [CRITICAL] λ€μ€ μμ grep() μλΈμ ν μΌλ‘ μΈν λ²‘ν° νκ΄΄ μ·¨μ½μ ν΄κ²°#111
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β¦vulnerability caused by multiple empty search results.
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π¨ Severity: CRITICAL
π‘ Vulnerability:
R/aFIPC.Rλ΄μ λ³μλͺ νν°λ§ κ³Όμ μμ λ€μ€ μμgrep()κ²°κ³Όλ₯Ό κ²°ν©νμ¬(-c(grep(...), grep(...), ...)) 벑ν°λ₯Ό μλΈμ ν (subsetting)νλ λ‘μ§μ μΉλͺ μ μΈ μ·¨μ½μ μ΄ μμμ΅λλ€. λͺ¨λ ν¨ν΄μ΄ 벑ν°μ μ΄λ€ μμμλ μΌμΉνμ§ μμ κ²½μ°grep()μinteger(0)μ λ°ννλ©°, μ¬λ¬ κ°μinteger(0)μ κ²°ν©ν΄λinteger(0)μ΄ λ©λλ€. μ΄λ₯Ό μ΄μ©νμ¬vector[-integer(0)]μ μννλ©΄, Rμ λ΄λΆ μ²λ¦¬ λ°©μμ μν΄ ν΄λΉ λ²‘ν° μ 체 λ΄μ©μ΄ μκ±°(wipeout)λμ΄ ν¬κΈ°κ° 0μΈ λΉ λ²‘ν°(character(0))κ° λ°νλ©λλ€. μ΄λ‘ μΈν΄ νμ λ³μλͺ μ°Έμ‘° λ‘μ§μ μ¬κ°ν μ€λ₯κ° λ°μν μ μμ΅λλ€.π― Impact:
νν°λ§ 쑰건μ μΌμΉνλ λ³μλͺ μ΄ μλ κ²½μ°,
IPDParmNamesλ²‘ν° λ΄μ©μ΄ μμ ν νκ΄΄λμ΄ μμμΉ λͺ»ν νμ λ‘μ§ μλ¬(λ°νμ μλ¬, λ΄λΆ μν μ€μΌ λ±)λ₯Ό μΌκΈ°νκ³ , μ΅μ μ κ²½μ° λͺ¨λΈ μΆμ λ° λ°μ΄ν° 보μ μ λμ΄ν¬ μ μλ μλͺ»λ κ²°κ³Όλ₯Ό μ΄λν μ μμ΅λλ€.π§ Fix:
μμ νμ§ μμ μμ
grep()νν°λ§ λ‘μ§μ!grepl()κΈ°λ°μ λ Όλ¦¬ν(logical) νν°λ§ λ°©μμΌλ‘ μμ ν κ΅μ²΄νμ΅λλ€.!grepl("^(MEAN|COV|ak|d0$)", IPDParmNames)ν¨ν΄μ μ¬μ©νμ¬ μΌμΉ νλͺ©μ΄ μλ κ²½μ° λͺ¨λTRUEλ₯Ό λ°ννλλ‘ νμ¬, μλ³Έ λ²‘ν° μμκ° νκ΄΄λμ§ μκ³ μμ νκ² λ³΄μ‘΄λλλ‘ κ°μ νμ΅λλ€.β Verification:
μμ ν ν¨ν€μ§λ₯Ό λ€μ λΉλνκ³ ν μ€νΈ νκ²½μμ
Rscript -e "testthat::test_dir('tests/testthat')"λ₯Ό μννμ¬ κ΄λ ¨ μ½λκ° λͺ¨λ νκ²½μμ μμ νκ³ μ μμ μΌλ‘ μλν¨μ νμΈνμ΅λλ€.PR created automatically by Jules for task 17559475454595105316 started by @seonghobae