Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | <= 5.2.4 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html
- http://osvdb.org/38916
- http://secunia.com/advisories/27102
- http://secunia.com/advisories/27659
- http://secunia.com/advisories/28658
- http://secunia.com/advisories/30040
- http://securityreason.com/securityalert/3122
- http://wiki.rpath.com/wiki/Advisories:rPSA-2007-0242
- http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml
- http://www.securityfocus.com/archive/1/478730/100/0/threaded
- http://www.securityfocus.com/archive/1/491693/100/0/threaded
- https://issues.rpath.com/browse/RPL-1943
- http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html
- http://osvdb.org/38916
- http://secunia.com/advisories/27102
FAQ
What is CVE-2007-4840?
CVE-2007-4840 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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 ...
How severe is CVE-2007-4840?
CVE-2007-4840 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2007-4840?
Check the references section above for vendor advisories and patch information. Affected products include: Php Php.