Cisco has warned of a severe vulnerability found in Cisco IOS XE software program. The bug that existed in its internet interface may enable a distant attacker to infiltrate the system by way of malicious advertisements.
Vulnerability In Cisco IOS XE Software program Internet Interface
A safety vulnerability in Cisco IOS XE software program internet interface may enable distant assaults on a goal system. The flaw within the software program’s internet UI may enable an unauthenticated attacker to utilise CSRF primarily based assaults.
To take advantage of the vulnerability an attacker would want to trick the sufferer into following a malicious hyperlink. Describing the flaw intimately, Cisco acknowledged of their security advisory:
The vulnerability is because of inadequate CSRF protections for the net UI on an affected gadget. An attacker may exploit this vulnerability by persuading a consumer of the interface to comply with a malicious hyperlink.
As soon as clicked, the attacker may then achieve consumer entry to the goal system with out authentication, and will carry out numerous actions.
A profitable exploit may enable the attacker to carry out arbitrary actions with the privilege stage of the affected consumer. If the consumer has administrative privileges, the attacker may alter the configuration, execute instructions, or reload an affected gadget.
The vulnerability, CVE-2019-1904, obtained a high-severity score with a CVSS base rating of 8.8.
Cisco Patched The Flaw
As elaborated, the vulnerability affected the Cisco gadgets operating a weak model of the software program with HTTP Server enabled. But, the merchandise remaining unaffected by this bug embrace Cisco IOS Software program, Cisco NX-OS Software program, or Cisco IOS XR Software program.
The distributors confirmed no workaround exists to handle the flaw. But, as attainable mitigation, they advocate disabling HTTP Server function.
Nonetheless, they’ve launched fixes with software program updates as properly for the customers. So, the steered mitigation shall work to guard from this vulnerability till the customers replace their methods.
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