SignKorea SKCommAX ActiveX control DownloadCertificateExt buffer overflow
| skcommax-downloadcertificate-bo (33245) |  High Risk |
Description:
The SignKorea SKCommAX ActiveX control is vulnerable to a buffer overflow, caused by improper bounds checking by the DownloadCertificateExt function. By sending a malicious pszUserID command, a remote attacker could overflow a buffer and execute arbitrary code on the system, if the attacker could persuade the victim to visit a specially-crafted Web page.
*CVSS:
| Base Score: | 10 |
| Access Vector: | Remote |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | Complete |
| Integrity Impact: | Complete |
| Availability Impact: | Complete |
| Temporal Score: | 7.4 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
Remedy:
Upgrade to the latest version of the SignKorea SKCommAX ActiveX control (7.2.0.3 or later), available from the SignKorea SKCommAX ActiveX control Web site. See References.
References:
- Full-Disclosure Mailing List, Mon Mar 26 2007 - 23:29:56 CDT: SignKorea's ActiveX Buffer Overflow Vulnerability.
- SignKorea Web site: Welcome to SignKorea.
- BID-23149: SignKorea SKCommAX ActiveX Control Remote Buffer Overflow Vulnerability
- CVE-2007-1722: Buffer overflow in the DownloadCertificateExt function in SignKorea SKCommAX ActiveX control module 7.2.0.2 and 3280 6.6.0.1 allows remote attackers to execute arbitrary code via a long pszUserID argument.
- SA24587: SignKorea SKCommAX ActiveX Control "DownloadCertificateExt()" Buffer Overflow
- VUPEN/ADV-2007-1114: SignKorea SKCommAX ActiveX DownloadCertificateExt() Code Execution Vulnerability
Platforms Affected:
- SignKorea SKCommAX ActiveX control 6.6.0.1
- SignKorea SKCommAX ActiveX control 7.2.0.2
Reported:
Mar 26, 2007
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.