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CVE-2007-4840

Date: September 12, 2007

PHP 5.2.4 and earlier allows context-dependent attackers to cause a denial of service (application crash) via (1) a long string in the out_charset parameter to the iconv function; or a long string in the charset parameter to the (2) iconv_mime_decode_headers, (3) iconv_mime_decode, or (4) iconv_strlen function. NOTE: this might not be a vulnerability in most web server environments that support multiple threads, unless these issues can be demonstrated for code execution.

Severity Score

Related Resources (14)

http://www.securityfocus.com/archive/1/478730/100/0/threaded
http://www.securityfocus.com/archive/1/491693/100/0/threaded
http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml
http://secunia.com/advisories/30040
http://secunia.com/advisories/27659
http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html
https://issues.rpath.com/browse/RPL-1943
https://nvd.nist.gov/vuln/detail/CVE-2007-4840
http://secunia.com/advisories/27102
http://secunia.com/advisories/28658
http://osvdb.org/38916
http://wiki.rpath.com/wiki/Advisories:rPSA-2007-0242
http://securityreason.com/securityalert/3122
https://www.mend.io/vulnerability-database/CVE-2007-4840

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

CVSS v3.1

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

CVSS v2

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

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