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CVE-2011-1398

Date: August 30, 2012

The sapi_header_op function in main/SAPI.c in PHP before 5.3.11 and 5.4.x before 5.4.0RC2 does not check 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.

Language: C

Severity Score

Related Resources (14)

http://secunia.com/advisories/55078
https://access.redhat.com/security/cve/CVE-2011-1398
http://openwall.com/lists/oss-security/2012/09/05/15
http://openwall.com/lists/oss-security/2012/08/29/5
http://security-tracker.debian.org/tracker/CVE-2011-1398
https://nvd.nist.gov/vuln/detail/CVE-2011-1398
http://lists.opensuse.org/opensuse-security-announce/2013-08/msg00006.html
https://bugs.php.net/bug.php?id=60227
http://www.securitytracker.com/id?1027463
http://rhn.redhat.com/errata/RHSA-2013-1307.html
http://article.gmane.org/gmane.comp.php.devel/70584
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-1398
http://www.ubuntu.com/usn/USN-1569-1
https://www.mend.io/vulnerability-database/CVE-2011-1398

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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