var-201803-1387
Vulnerability from variot
A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition, or to execute arbitrary code on an affected device. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted Smart Install message to an affected device on TCP port 4786. A successful exploit could allow the attacker to cause a buffer overflow on the affected device, which could have the following impacts: Triggering a reload of the device, Allowing the attacker to execute arbitrary code on the device, Causing an indefinite loop on the affected device that triggers a watchdog crash. Cisco Bug IDs: CSCvg76186. Cisco IOS Software and Cisco IOS XE The software contains a buffer error vulnerability and an input validation vulnerability. Vendors have confirmed this vulnerability Bug ID CSCvg76186 It is released as.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. As a plug-and-play configuration and image management function, SmartInstall provides zero-configuration deployment for newly-joined switches, auto-initial configuration and operating system image loading, and configuration file backup. Successfully exploiting this issue may allow remote attackers to execute arbitrary code. Failed attempts will likely result in denial-of-service conditions
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The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted Smart Install message to an affected device on TCP port 4786. A successful exploit could allow the attacker to cause a buffer overflow on the affected device, which could have the following impacts: Triggering a reload of the device, Allowing the attacker to execute arbitrary code on the device, Causing an indefinite loop on the affected device that triggers a watchdog crash. Cisco Bug IDs: CSCvg76186. Cisco IOS Software and Cisco IOS XE The software contains a buffer error vulnerability and an input validation vulnerability. Vendors have confirmed this vulnerability Bug ID CSCvg76186 It is released as.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. As a plug-and-play configuration and image management function, SmartInstall provides zero-configuration deployment for newly-joined switches, auto-initial configuration and operating system image loading, and configuration file backup. \nSuccessfully exploiting this issue may allow remote attackers to execute arbitrary code. 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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.