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Cisco Bug: CSCuq45239 - lighttpd crash

Last Modified

Sep 17, 2019

Products (3)

  • Cisco Carrier Routing System
  • Cisco NCS 6008 - 8-Slot Chassis
  • Cisco IOS XR Software

Known Affected Releases

5.2.3.BASE

Description (partial)

Symptom:
The vulnerability is due to a race condition while handling TCP sessions to the lighttpd module on the affected Cisco IOS XR device. An attacker 
could exploit this vulnerability by sending a number of TCP sessions to be established with the lighttpd server on the affected device. An exploit 
could allow the attacker to cause a reload of the lighttpd process.

Conditions:
Device configured with Lighthttp listening process.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
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