A vulnerability in the Secure Sockets Layer (SSL)/Transport Layer Security (TLS) handler of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote malicious user to exhaust memory resources on the affected device, leading to a denial of service (DoS) condition. The vulnerability is due to improper resource management for inbound SSL/TLS connections. An attacker could exploit this vulnerability by establishing multiple SSL/TLS connections with specific conditions to the affected device. A successful exploit could allow the malicious user to exhaust the memory on the affected device, causing the device to stop accepting new SSL/TLS connections and resulting in a DoS condition for services on the device that process SSL/TLS traffic. Manual intervention is required to recover an affected device.
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
|---|---|---|
cisco firepower threat defense |
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cisco asa 5505 firmware 9.4(4) |
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cisco asa 5505 firmware 9.8(4.18) |
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cisco asa 5505 firmware 100.13(0) |
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cisco asa 5510 firmware 9.4(4) |
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cisco asa 5510 firmware 9.8(4.18) |
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cisco asa 5510 firmware 100.13(0) |
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cisco asa 5512-x firmware 9.4(4) |
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cisco asa 5512-x firmware 9.8(4.18) |
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cisco asa 5512-x firmware 100.13(0) |
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cisco asa 5515-x firmware 9.4(4) |
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cisco asa 5515-x firmware 9.8(4.18) |
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cisco asa 5515-x firmware 100.13(0) |
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cisco asa 5520 firmware 9.4(4) |
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cisco asa 5520 firmware 9.8(4.18) |
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cisco asa 5520 firmware 100.13(0) |
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cisco asa 5525-x firmware 9.4(4) |
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cisco asa 5525-x firmware 9.8(4.18) |
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cisco asa 5525-x firmware 100.13(0) |
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cisco asa 5540 firmware 9.4(4) |
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cisco asa 5540 firmware 9.8(4.18) |
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cisco asa 5540 firmware 100.13(0) |
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cisco asa 5545-x firmware 9.4(4) |
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cisco asa 5545-x firmware 9.8(4.18) |
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cisco asa 5545-x firmware 100.13(0) |
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cisco asa 5550 firmware 9.4(4) |
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cisco asa 5550 firmware 9.8(4.18) |
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cisco asa 5550 firmware 100.13(0) |
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cisco asa 5555-x firmware 9.4(4) |
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cisco asa 5555-x firmware 9.8(4.18) |
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cisco asa 5555-x firmware 100.13(0) |
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cisco asa 5580 firmware 9.4(4) |
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cisco asa 5580 firmware 9.8(4.18) |
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cisco asa 5580 firmware 100.13(0) |
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cisco asa 5585-x firmware 9.4(4) |
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cisco asa 5585-x firmware 9.8(4.18) |
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cisco asa 5585-x firmware 100.13(0) |
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cisco adaptive security appliance software |
Switchzilla issues a whopping 30+ patches in time for the long UK weekend
Cisco has emitted a fresh round of software updates to address nearly three dozen security holes in its products. The patches, released over May 6 and 7, include 12 issues considered high-severity bugs, and another 22 classified as moderate severity. One of the holes has two CVE numbers assigned to it, so that's a total of 35 CVE-listed security vulnerabilities. Despite the absence of a critical remote code or command execution bug, the patches include a number of serious programming blunders, p...
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