CVE-2010-3856
HighSummary
W ld.so w bibliotece GNU C (glibc lub libc6) przed wersją 2.11.3 oraz 2.12.x przed wersją 2.12.2 nie ma odpowiednich ograniczeń dotyczących użycia zmiennej środowiskowej LD_AUDIT do odniesienia się do dynamicznych obiektów współdzielonych (DSO) jako obiektów audytowych. Umożliwia to lokalnym użytkownikom uzyskanie uprawnień poprzez wykorzystanie niebezpiecznego DSO znajdującego się w zaufanym katalogu biblioteki.
Risk Assessment
Organizacja może być narażona na nieautoryzowany dostęp do systemu przez lokalnych użytkowników, którzy mogą wykorzystać tę podatność do uzyskania wyższych uprawnień. To może prowadzić do poważnych naruszeń bezpieczeństwa i utraty danych.
Recommendation
Zaleca się aktualizację biblioteki glibc do wersji 2.11.3 lub 2.12.2 oraz monitorowanie użycia zmiennej LD_AUDIT w systemie, aby zminimalizować ryzyko związane z tą podatnością.
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Original NVD description (English source)
ld.so in the GNU C Library (aka glibc or libc6) before 2.11.3, and 2.12.x before 2.12.2, does not properly restrict use of the LD_AUDIT environment variable to reference dynamic shared objects (DSOs) as audit objects, which allows local users to gain privileges by leveraging an unsafe DSO located in a trusted library directory, as demonstrated by libpcprofile.so.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

