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prionPRIOn knowledge basePRION:CVE-2012-4388
HistorySep 07, 2012 - 10:55 p.m.

Design/Logic Flaw

2012-09-0722:55:00
PRIOn knowledge base
www.prio-n.com
5

6.7 Medium

AI Score

Confidence

Low

0.013 Low

EPSS

Percentile

85.7%

The sapi_header_op function in main/SAPI.c in PHP 5.4.0RC2 through 5.4.0 does not properly determine a pointer during checks for %0D sequences (aka carriage return characters), which allows remote attackers to bypass an HTTP response-splitting protection mechanism via a crafted URL, related to improper interaction between the PHP header function and certain browsers, as demonstrated by Internet Explorer and Google Chrome. NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-1398.

6.7 Medium

AI Score

Confidence

Low

0.013 Low

EPSS

Percentile

85.7%