CVE-2012-4388

Description

From CVE.org

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.

Statement

Not vulnerable. This issue did not affect the versions of php as shipped with Red Hat Enterprise Linux 5 and 6, and the version of php53 as shipped with Red Hat Enterprise Linux 5 as they did not include the upstream commit 322263 that introduced this issue.

Common Vulnerability Scoring System (CVSS) Score Details

Info alert:Important note

CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).

The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 Score Breakdown

Red HatNVDcve.org
Base Score4.34.3N/A
Attack VectorNetworkNetworkN/A
Access ComplexityMediumMediumN/A
AuthenticationNoneNoneN/A
Confidentiality ImpactNoneNoneN/A
Integrity ImpactPartialPartialN/A
Availability ImpactNoneNoneN/A

Vector

Red Hat: AV:N/AC:M/Au:N/C:N/I:P/A:N

NVD: AV:N/AC:M/Au:N/C:N/I:P/A:N

Frequently Asked Questions

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