CVE-2011-1471

PHP < 5.3.6 'Zip' Extension - 'zip_fread()' Denial of Service

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Integer signedness error in zip_stream.c in the Zip extension in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (CPU consumption) via a malformed archive file that triggers errors in zip_fread function calls.

Error de entero sin signo en zip_stream.c en la extensión Zip en PHP anteriores a v5.3.6 permite a atacantes dependientes de contexto para provocar una denegación de servicio (consumo de CPU) a través de un archivo con formato incorrecto que provoca un error en la llamada a la función zip_fread.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2011-03-10 First Exploit
2011-03-19 CVE Reserved
2011-03-20 CVE Published
2024-08-06 CVE Updated
2025-04-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-189: Numeric Errors

CAPEC

References (12)

URL	Tag	Source
http://support.apple.com/kb/HT5002	Third Party Advisory
http://www.securityfocus.com/bid/46975	Third Party Advisory

URL	Date	SRC
https://www.exploit-db.com/exploits/35485	2011-03-10
http://bugs.php.net/bug.php?id=49072	2024-08-06

URL	Date	SRC

URL	Date	SRC
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html	2023-01-19
http://www.debian.org/security/2011/dsa-2266	2023-01-19
http://www.mandriva.com/security/advisories?name=MDVSA-2011:052	2023-01-19
http://www.mandriva.com/security/advisories?name=MDVSA-2011:053	2023-01-19
http://www.php.net/ChangeLog-5.php	2023-01-19
http://www.redhat.com/support/errata/RHSA-2011-1423.html	2023-01-19
https://access.redhat.com/security/cve/CVE-2011-1471	2011-11-02
https://bugzilla.redhat.com/show_bug.cgi?id=690915	2011-11-02

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Php Search vendor "Php"		Php Search vendor "Php" for product "Php"				< 5.2.11 Search vendor "Php" for product "Php" and version " < 5.2.11"		-		Affected
Php Search vendor "Php"		Php Search vendor "Php" for product "Php"				>= 5.3.0 < 5.3.6 Search vendor "Php" for product "Php" and version " >= 5.3.0 < 5.3.6"		-		Affected