CVE-2011-1398

OWSAP

A03-Injection

EPSS

13.4%V4

Vector

Network

Published

2012-08-30
20h00 +00:00

Modified

2012-09-13
07h00 +00:00

Official links

CVE.org

NVD

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Criteria applied when sending the alert: compared with the last alert sent + differences in CISA, EPSS, CVSS, CWE, Solutions, CPE.

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CVE Descriptions

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.

CVE Informations

Related Weaknesses

CWE-ID	Weakness Name	Source
CWE-20	Improper Input Validation The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Metrics

Metrics	Score	Severity	CVSS Vector	Source
V2	4.3		AV:N/AC:M/Au:N/C:N/I:P/A:N	nvd@nist.gov

EPSS

EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.

EPSS Score

The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.

Date	EPSS V0	EPSS V1	EPSS V2 (> 2022-02-04)	EPSS V3 (> 2025-03-07)	EPSS V4 (> 2025-03-17)
2022-02-06	–	–	12.72%	–	–
2022-04-03	–	–	12.72%	–	–
2022-05-15	–	–	11.92%	–	–
2022-08-14	–	–	11.34%	–	–
2022-11-20	–	–	11%	–	–
2023-03-12	–	–	–	2.92%	–
2023-03-19	–	–	–	2.61%	–
2023-09-24	–	–	–	2.02%	–
2023-11-26	–	–	–	1.43%	–
2024-02-11	–	–	–	1.43%	–
2024-03-31	–	–	–	1.27%	–
2024-06-02	–	–	–	1.27%	–
2024-07-28	–	–	–	1.4%	–
2024-12-22	–	–	–	1.4%	–
2025-03-09	–	–	–	1.4%	–
2025-01-19	–	–	–	1.4%	–
2025-03-09	–	–	–	1.4%	–
2025-03-18	–	–	–	–	13.4%
2025-03-18	–	–	–	–	13.4,%

EPSS Percentile

The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.

EPSS First.org

Date	Percentile
2022-02-06	9%
2022-04-03	95%
2022-05-15	95%
2022-08-14	95%
2022-11-20	95%
2023-03-12	89%
2023-03-19	89%
2023-09-24	88%
2023-11-26	85%
2024-02-11	86%
2024-03-31	85%
2024-06-02	86%
2024-07-28	87%
2024-12-22	86%
2025-03-09	87%
2025-01-19	86%
2025-03-09	87%
2025-03-18	94%
2025-03-18	94%

Exploit information

Exploit Database EDB-ID : 37688

Publication date : 2011-10-05 22h00 +00:00
Author : Mr. Tokumaru
EDB Verified : Yes

source: https://www.securityfocus.com/bid/55297/info PHP is prone to a vulnerability that allows attackers to inject arbitrary headers through a URL. By inserting arbitrary headers, attackers may be able to launch cross-site request-forgery, cross-site scripting, HTML-injection, and other attacks. PHP 5.1.2 is vulnerable; other versions may also be affected. <?php header('Location: '.$_GET['url']); print_r($_COOKIE); ?> http://www.example.com/head1.php?url=http://example.com/head1.php%0DSet-Cookie:+NAME=foo