Vulnerability CVE-2009-0744
Published: 2009-02-27   Modified: 2012-02-13

Description:
Apple Safari 4 Beta build 528.16 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a feeds: URI beginning with a (1) % (percent), (2) { (open curly bracket), (3) } (close curly bracket), (4) ^ (caret), (5) ` (backquote), or (6) | (pipe) character, followed by an & (ampersand) character.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Apple Safari 4 Beta feeds: URI NULL Pointer Dereference Denial of Service Vulnerability
Trancer
03.03.2009

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Apple -> Safari 

 References:
http://www.securityfocus.com/archive/1/501229/100/0/threaded
http://www.securityfocus.com/bid/33909
https://exchange.xforce.ibmcloud.com/vulnerabilities/48943
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6066
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