Logica HotScan SWIFT Alliance Access Interface Buffer Overflow

2012.10.10
Credit: Anil Pazvant
Risk: High
Local: No
Remote: Yes
CWE: CWE-119


CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: None
Availability impact: Partial

-------------------------------------------------------------------------------- | BufferOverflow Vulnerability on Logica HotScan SWIFT Alliance Access Interface -------------------------------------------------------------------------------- Summary ======= Hotscan Listener interface is prone to buffer-overflow vulnerability because the application fails to perform adequate boundary checks on user-supplied input. This allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted font file CVE number: CVE-2012-2624 Impact: Critical Vendor notified: May 11, 2012 Vendor response: Vendor patched the vulnerability ( June 16, 2012 ) . Affected Products ======== ======== Logica HotScan Interface Details ======= By sending malicious input to hotscan listener tcp interface, it is possible to overwrite stack only by two bytes. The software compiled with NXCOMPAT,Code execution could not be done. Therefore crash of this service can stop all swift process , this effects the impact of vulnerability. (Register output: ECX 76E801B8 ASCII "STATUS_STACK_BUFFER_OVERRUN encountered" EDX 0018F325 ASCII 0A,"STATUS_STA" EBX 0042AEAC HOTS_Rec.0042AEAC ESP 0018F56C EBP 0018F5E8 ESI 00000000 EDI 00000000 EIP 76E7FF9A kernel32.76E7FF9A Solution ======== Vendor released a patch to fix the bug.


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