CVE-2007-4840
MEDIUM severity · CVSS 5 · Improper input validation
5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)3%
AV:N/AC:L/Au:N/C:N/I:N/A:P
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- 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