Podatność CVE-2012-2674


Publikacja: 2012-07-25

Opis:
Multiple integer overflows in the (1) chk_malloc, (2) leak_malloc, and (3) leak_memalign functions in libc/bionic/malloc_debug_leak.c in Bionic (libc) for Android, when libc.debug.malloc is set, make it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows via a large size value, which causes less memory to be allocated than expected.

Typ:

CWE-189

(Numeric Errors)

Producent: Google
Produkt: Bionic 

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

Ogólna skala CVSS
Znaczenie
Łatwość wykorzystania
4.3/10
2.9/10
8.6/10
Wymagany dostęp
Złożoność ataku
Autoryzacja
Zdalny
Średnia
Nie wymagana
Wpływ na poufność
Wpływ na integralność
Wpływ na dostępność
Brak
Częściowy
Brak

 Referencje:
https://github.com/android/platform_bionic/commit/7f5aa4f35e23fd37425b3a5041737cdf58f87385
http://www.openwall.com/lists/oss-security/2012/06/07/13
http://www.openwall.com/lists/oss-security/2012/06/05/1
http://kqueue.org/blog/2012/03/05/memory-allocator-security-revisited/

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