Podatność CVE-2017-7189


Publikacja: 2019-07-10

Opis:
main/streams/xp_socket.c in PHP 7.x before 2017-03-07 misparses fsockopen calls, such as by interpreting fsockopen('127.0.0.1:80', 443) as if the address/port were 127.0.0.1:80:443, which is later truncated to 127.0.0.1:80. This behavior has a security risk if the explicitly provided port number (i.e., 443 in this example) is hardcoded into an application as a security policy, but the hostname argument (i.e., 127.0.0.1:80 in this example) is obtained from untrusted input.

Typ:

CWE-20

(Improper Input Validation)

Producent: PHP
Produkt: PHP 
Wersje:
7.0.9
7.0.8
7.0.7
7.0.6
7.0.5
7.0.4
7.0.3
7.0.2
7.0.15
7.0.14
7.0.13
7.0.12
7.0.11
7.0.10
7.0.1
7.0.0

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

Ogólna skala CVSS
Znaczenie
Łatwość wykorzystania
5/10
2.9/10
10/10
Wymagany dostęp
Złożoność ataku
Autoryzacja
Zdalny
Niska
Nie wymagana
Wpływ na poufność
Wpływ na integralność
Wpływ na dostępność
Częściowy
Brak
Brak

 Referencje:
https://bugs.php.net/bug.php?id=74192
https://github.com/php/php-src/commit/bab0b99f376dac9170ac81382a5ed526938d595a

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