CVE-2019-1697: Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Lightweight Directory Access Protocol Denial of Service Vulnerability
First published: Wed May 01 2019(Updated: )
A vulnerability in the implementation of the Lightweight Directory Access Protocol (LDAP) feature in Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerabilities are due to the improper parsing of LDAP packets sent to an affected device. An attacker could exploit these vulnerabilities by sending a crafted LDAP packet, using Basic Encoding Rules (BER), to be processed by an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.
Credit: ykramarz@cisco.com ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Adaptive Security Appliance Software | <9.6.4.25 | |
| Cisco Adaptive Security Appliance Software | >=9.7<9.8.4 | |
| Cisco Adaptive Security Appliance Software | >=9.9<9.9.2.50 | |
| Cisco Adaptive Security Appliance Software | >=9.10<9.10.1.17 | |
| Cisco Asa 5505 | ||
| Cisco Asa 5510 | ||
| Cisco Asa 5512-x | ||
| Cisco Asa 5515-x | ||
| Cisco Asa 5520 | ||
| Cisco Asa 5525-x | ||
| Cisco Asa 5540 | ||
| Cisco Asa 5545-x | ||
| Cisco Asa 5550 | ||
| Cisco Asa 5555-x | ||
| Cisco Asa 5580 | ||
| Cisco Asa 5585-x | ||
| Cisco Firepower Threat Defense | <6.2.3.12 | |
| Cisco Firepower Threat Defense | >=6.3.0<6.3.0.3 |
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Reference Links
Frequently Asked Questions
What is CVE-2019-1697?
CVE-2019-1697 is a vulnerability in the implementation of the Lightweight Directory Access Protocol (LDAP) feature in Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software.
How does CVE-2019-1697 affect Cisco ASA and FTD Software?
CVE-2019-1697 allows an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial-of-service (DoS) condition.
What is the severity of CVE-2019-1697?
CVE-2019-1697 has a severity rating of 7.5 (High).
Which versions of Cisco ASA Software are affected by CVE-2019-1697?
Versions up to 9.6.4.25, 9.7 to 9.8.4, 9.9 to 9.9.2.50, and 9.10 to 9.10.1.17 of Cisco ASA Software are affected by CVE-2019-1697.
How can I fix CVE-2019-1697?
Apply the appropriate software update provided by Cisco to fix CVE-2019-1697.
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- vendor/cisco
- canonical/cisco adaptive security appliance software
- version/cisco adaptive security appliance software/9.7
- version/cisco adaptive security appliance software/9.9
- version/cisco adaptive security appliance software/9.10
- canonical/cisco asa 5505
- canonical/cisco asa 5510
- canonical/cisco asa 5512-x
- canonical/cisco asa 5515-x
- canonical/cisco asa 5520
- canonical/cisco asa 5525-x
- canonical/cisco asa 5540
- canonical/cisco asa 5545-x
- canonical/cisco asa 5550
- canonical/cisco asa 5555-x
- canonical/cisco asa 5580
- canonical/cisco asa 5585-x
- canonical/cisco firepower threat defense
- version/cisco firepower threat defense/6.3.0