cisco-sa-20191002-asa-scp-dos: Cisco Adaptive Security Appliance Software Secure Copy Denial of Service Vulnerability
First published: Wed Oct 02 2019(Updated: )
The vulnerability is due to the use of an incorrect data type for a length variable. An attacker could exploit this vulnerability by initiating the transfer of a large file to an affected device via SCP. To exploit this vulnerability, the attacker would need to have valid privilege level 15 credentials on the affected device. A successful exploit could allow the attacker to cause the length variable to roll over, which could cause the affected device to crash. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Credit: This vulnerability was found during the resolution a Cisco TAC support case
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco ASA Software | =9.12<9.12.2.1=9.10<9.10.1.22>=9.7=9.8<=9.9<9.9.2.50>=Earlier than 9.4=9.4=9.5<=9.6<9.6.4.30 | 9.12.2.1 9.10.1.22 9.9.2.50 9.6.4.30 |
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Reference Links
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- vendor/cisco
- canonical/cisco asa software
- version/cisco asa software/9.12
- version/cisco asa software/9.10
- version/cisco asa software/9.7
- version/cisco asa software/9.8
- version/cisco asa software/9.9
- version/cisco asa software/earlier than 9.4
- version/cisco asa software/9.4
- version/cisco asa software/9.5
- version/cisco asa software/9.6