|Date: (C)2010-05-07 (M)2017-11-18|| |
The dechunk filter in PHP 5.3 through 5.3.2, when decoding an HTTP chunked encoding stream, allows context-dependent attackers to cause a denial of service (crash) and possibly trigger memory corruption via a negative chunk size, which bypasses a signed comparison, related to an integer overflow in the chunk size decoder.
|CVSS Score: 7.5||Access Vector: NETWORK|
|Exploit Score: 10.0||Access Complexity: LOW|
|Impact Score: 6.4||Authentication: NONE|
| ||Confidentiality: PARTIAL|
| ||Integrity: PARTIAL|
| ||Availability: PARTIAL|