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Cisco Bug: CSCta26071 - ASR crashes at AAA with user profiles via RADIUS

Last Modified

Jan 24, 2017

Products (1)

  • Cisco IOS

Known Affected Releases

12.2(33)XNC 12.2(33)XND

Description (partial)

Symptoms: A Cisco IOS platform can crash when authorizing Radius profiles. The 
issue is due to an invalid terminal sync change that updated the incorrect 
enumeration structure, leading to one enumeration having 1 too many 
entries and another one too few.  

When parsing the "protocol" or "service" field, the AAA code may walk beyond 
the boundaries of a string array associated with the above mentioned 
enumerations. This will cause platforms such as the Cisco ASR to crash.

Conditions: This crash has been observed on a Cisco ASR1004 (RP2) that is 
running the Cisco IOS-XE version Cisco IOS Release 12.2(33)XNC1t.
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